HMC1097LP4E
v03.0812
MODS & DEMODULATORS - SMT
11
WIDEBAND DIRECT QUADRATURE
MODULATOR, 100 - 6000 MHz
Typical Applications
Features
The HMC1097LP4E is Ideal for:
Very Low Noise Floor, -160 dBm/Hz
• UMTS, GSM or CDMA Basestations
Excellent Carrier & Sideband Suppression
• Fixed Wireless or WLL
Very High Linearity, +30 dBm OIP3
• ISM Transceivers, 900 & 2400 MHz
High Output Power, +11 dBm Output P1dB
• GMSK, QPSK, QAM, SSB Modulators
High Modulation Accuracy
• Cellular/3G and WiMAX/4G
24 Lead 4x4 mm QFN Package: 16 mm2
Functional Diagram
General Description
The HMC1097LP4E is a low noise, high linearity Direct
Quadrature Modulator RFIC which is ideal for digital
modulation applications from 0.1 to 6.0 GHz including;
Cellular/3G, WiMAX/4G, Broadband Wireless Access
& ISM circuits. Housed in a compact 4x4 mm (LP4)
SMT QFN package, the RFIC requires minimal external
components & provides a low cost alternative to more
complicated double upconversion architectures. The
RF output port is single-ended and matched to 50
Ohms with no external components. The LO requires
-6 to +6 dBm and can be driven in either differential or
single-ended mode. This device is optimized for a +5V
supply, and offers improved carrier feedthrough and
sideband suppression characteristics.
Electrical Specifications, See Test Conditions on following page herein.
Parameter
Typ.
Typ.
Typ.
Typ.
Typ.
450-960
1700-2200
2200-2700
3400-4000
5000-6000
MHz
Output Power
1.5
2.7
2.7
0
-5.2
dBm
Conversion Voltage Gain
-4.7
-3.5
-3.5
-6.2
-11.4
dB
Output P1dB
+11
+11
+10.5
+10
+5.3
dBm
Frequency Range, RF
1
Units
Output Noise Floor
-162
-160
-159
-159
-156
dBm/Hz
Output IP3
+29
+31
+29
+22
+17
dBm
Carrier Feedthrough
(uncalibrated)
-40
-39
-36
-29
-33
dBm
Sideband Suppression
(uncalibrated)
40
46
48
32
29
dBc
LO Port Return Loss
4
6
6
6
6
dB
RF Port Return Loss
12
14
15
16
16
dB
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Information
furnished
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Devices
believedorders:
to be accurate
and Microwave
reliable. However,Corporation,
no
For price, 2delivery,
and to
placeChelmsford,
orders: Analog MA
Devices,
Inc.,
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
Phone:
978-250-3343
Fax:
978-250-3373
rights of third parties that may result
from its use.
Specifications subject
to change
without notice. NoOrder On-line at www.hittite.com
Phone: 781-329-4700 • Order online at www.analog.com
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Phone: 978-250-3343
or apps@hittite.com
Application
Support: Phone: 1-800-ANALOG-D
Trademarks and registered trademarks areApplication
the property of theirSupport:
respective owners.
HMC1097LP4E
v03.0812
WIDEBAND DIRECT QUADRATURE
MODULATOR, 100 - 6000 MHz
Electrical Specifications, (continued)
Parameter
Conditions
Min.
Typ.
Max.
Units
6000
MHz
RF Output
RF Frequency Range
100
RF Return Loss
15
dB
LO Input
LO Frequency Range
100
LO Input Power
-6
LO Port Return Loss
0
6000
MHz
+6
dBm
6
dB
Baseband Input DC Voltage (Vbbdc)
Baseband Input DC Bias Current (Ibbdc)
Single-ended Baseband Input Capacitance
+0.45 (+0.4-+0.5)
V
Single-ended.
110
pA
De-embed to the lead of the device.
4.5
pF
DC Power Supply
Supply Voltage (Vcc1, Vcc2)
+4.75
+5.0
+5.25
V
Supply Current (Icc1 + Icc2) EN Low
170
mA
Supply Current (Icc1 + Icc2) EN High
8
mA
Enable/Disable Interface
EN High Level
Device disabled
EN Low Level
Device enabled
Enable/Disable Settling Time
LO Leakage Isolation
EN=5V, LO=2.1GHz, 0dBm
2.2
5
V
0
1.5
V
400/400
ns
-57.1
dBm
Test Conditions: Unless Otherwise Specified, the Following Test Conditions Were Used
Parameter
Condition
Temperature
+25 °C
Baseband Input Frequency
200 kHz
Baseband Input DC Voltage (Vbbdc)
Baseband Input AC Voltage
+0.45V
(Peak to Peak Differential, I and Q)
Baseband Input AC Voltage for OIP3 Measurements (Peak to Peak Differential, I and Q)
Baseband Input AC Voltage for Noise Floor Measurements (Peak to Peak Differential, I and Q)
Frequency Offset for Output Noise Measurements
Supply (Vcc1, Vcc2)
1.3V
650 mV per tone @ 3.5 & 4.5 MHz
no baseband input voltage
20 MHz
+5.0V
LO Input Power
0 dBm
LO Input Mode
Single-Ended through LON
Mounting Configuration
Sideband & Carrier Feedthrough
Calibrated vs. Uncalibrated Test Results
MODS & DEMODULATORS - SMT
Baseband Input Port
Refer to HMC1097LP4E Application Schematic
Herein
Uncalibrated
During the Uncalibrated Sideband and Carrier Suppression tests, care is taken to ensure that the I/Q signal paths
from the Vector Signal Generator (VSG) to the Device Under Test (DUT) are equal. The “Uncalibrated” Sideband and
Carrier Suppression plots were measured at T= -40 °C, +25 °C, and +85 °C.
The “Calibrated” Sideband Suppression data was plotted after a manual adjustment of the I/Q amplitude balance and
I/Q phase offset (skew) at +25 °C, 5V Vcc, 0 dBm LO input power level. The +25 °C adjustment settings were held
constant during tests over temperature.
The “Calibrated” Carrier Suppression data was plotted after a manual adjustment of the IP/IN & QP/QN DC offsets
at +25 °C, 5V Vcc, 0 dBm LO input power level. The +25 °C adjustment settings were held constant during tests over
temperature.
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believedorders:
to be accurate
and Microwave
reliable. However,Corporation,
no
For price, 2delivery,
and to
placeChelmsford,
orders: Analog MA
Devices,
Inc.,
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
Phone:
978-250-3343
Fax:
978-250-3373
rights of third parties that may result
from its use.
Specifications subject
to change
without notice. NoOrder On-line at www.hittite.com
Phone: 781-329-4700 • Order online at www.analog.com
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Phone: 978-250-3343
or apps@hittite.com
Application
Support: Phone: 1-800-ANALOG-D
Trademarks and registered trademarks areApplication
the property of theirSupport:
respective owners.
2
HMC1097LP4E
v03.0812
WIDEBAND DIRECT QUADRATURE
MODULATOR, 100 - 6000 MHz
OUTPUT POWER (dBm)
-5
-10
+25C
+85C
-40C
-15
0
1000
2000
3000
4000
5000
6000
-110
+25C
+85C
-40C
30
20
-130
10
-140
0
OUTPUT P1dB
-150
NOISE FLOOR
-10
-160
-20
-170
SET-UP NOISE FLOOR
-30
0
1000
2000
3000
4000
5000
-180
6000
FREQUENCY (MHz)
Uncalibrated Carrier Feedthrough [1]
vs. Frequency Over Temperature
Calibrated Carrier Feedthrough [1]
vs. Frequency Over Temperature
0
CARRIER FEEDTHROUGH (dBm)
0
-10
-20
-30
-40
-50
+25C
+85C
-40C
-60
-70
+25C
+85C
-40C
-10
-20
-30
-40
-50
-60
-70
-80
-90
0
1000
2000
3000
4000
5000
6000
0
1000
2000
FREQUENCY (MHz)
3000
4000
5000
6000
FREQUENCY (MHz)
Uncalibrated Carrier Feedthrough [1]
vs. Frequency Over Temperature When
Disabled
RF and LO Return Loss vs. Frequency
0
-20
-30
-5
-40
RETURN LOSS (dB)
CARRIER FEEDTHROUGH (dBm)
-120
OUTPUT IP3
FREQUENCY (MHz)
CARRIER FEEDTHROUGH (dBm)
MODS & DEMODULATORS - SMT
11
0
40
OUTPUT NOISE FLOOR @20 MHz (dBm/Hz)
5
OUTPUT P1dB (dBm) & OUTPUT IP3 (dBm)
Output IP3, P1dB & Noise Floor @ 20 MHz
Offset vs. Frequency Over Temperature
Output Power vs. Frequency
Over Temperature
-50
-60
-70
-80
-100
0
1000
2000
3000
4000
5000
-15
-20
+25C
+85C
-40C
-90
-10
LO
RF
-25
6000
FREQUENCY (MHz)
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
5.5
6
FREQUENCY (MHz)
[1] See note titled “Calibrated vs. Uncalibrated test results” herein.
3
For price,
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Hittite
Elizabeth
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furnished
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Devices
believedorders:
to be accurate
and Microwave
reliable. However,Corporation,
no
For price, 2delivery,
and to
placeChelmsford,
orders: Analog MA
Devices,
Inc.,
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
Phone:
978-250-3343
Fax:
978-250-3373
rights of third parties that may result
from its use.
Specifications subject
to change
without notice. NoOrder On-line at www.hittite.com
Phone: 781-329-4700 • Order online at www.analog.com
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Phone: 978-250-3343
or apps@hittite.com
Application
Support: Phone: 1-800-ANALOG-D
Trademarks and registered trademarks areApplication
the property of theirSupport:
respective owners.
HMC1097LP4E
v03.0812
WIDEBAND DIRECT QUADRATURE
MODULATOR, 100 - 6000 MHz
OUTPUT POWER (dBm)
-30
-5
-45
SIDEBAND SUPPRESSION
-10
-15
-60
-6dBm
0dBm
+6dBm
0
1000
2000
3000
4000
5000
SIDEBAND SUPPRESSION (dBc)
0
-75
6000
-110
40
-6dBm
0dBm
+6dBm
30
20
-140
10
0
-160
-10
-170
-20
SET-UP NOISE FLOOR
-30
0
1000
2000
3000
4000
5000
-180
6000
Calibrated Sideband Suppression vs.
Frequency Over Temperature [1]
0
0
-10
SIDEBAND SUPPRESSION (dBc)
SIDEBAND SUPPRESSION (dBc)
-150
NOISE FLOOR
OUTPUT P1dB
FREQUENCY (MHz)
Uncalibrated Sideband Suppression vs.
Frequency Over Temperature [1]
+25C
+85C
-40C
-20
-30
-40
-50
-60
-70
-10
+25C
+85C
-40C
-20
-30
-40
-50
-60
-70
-80
-90
-100
0
1000
2000
3000
4000
5000
6000
0
1000
FREQUENCY (MHz)
-30
-5
-45
SIDEBAND SUPPRESSION
1000
2000
3000
4000
5000
-60
6000
FREQUENCY (MHz)
OUTPUT P1dB (dBm) & OUTPUT IP3 (dBm)
-15
SIDEBAND SUPPRESSION (dBc)
0
0
4000
5000
6000
-110
40
4.75V
5.0V
5.25V
30
OUTPUT IP3
20
-130
-140
10
0
OUTPUT P1dB
-150
NOISE FLOOR
-160
-10
-170
-20
SET-UP NOISE FLOOR
-30
-120
0
1000
2000
3000
4000
5000
-180
6000
OUTPUT NOISE FLOOR @20 MHz (dBm/Hz)
0
4.75V
5.0V
5.25V
OUTPUT POWER
3000
Output IP3, P1dB & Noise Floor @ 20 MHz
Offset vs. Frequency Over Supply Voltage
10
5
2000
FREQUENCY (MHz)
Output Power vs. Frequency
Over Supply Voltage
OUTPUT POWER (dBm)
-130
OUTPUT IP3
FREQUENCY (MHz)
-10
-120
MODS & DEMODULATORS - SMT
-15
OUTPUT POWER
OUTPUT NOISE FLOOR @20 MHz (dBm/Hz)
5
OUTPUT P1dB (dBm) & OUTPUT IP3 (dBm)
Output IP3, P1dB & Noise Floor @ 20 MHz
Offset vs. Frequency Over LO Power
Output Power vs. Frequency
Over LO Power
FREQUENCY (MHz)
[1] See note titled “Calibrated vs. Uncalibrated test results” herein.
For price,
delivery
to isplace
Hittite
Elizabeth
Drive,
01824
Information
furnished
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Devices
believedorders:
to be accurate
and Microwave
reliable. However,Corporation,
no
For price, 2delivery,
and to
placeChelmsford,
orders: Analog MA
Devices,
Inc.,
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
Phone:
978-250-3343
Fax:
978-250-3373
rights of third parties that may result
from its use.
Specifications subject
to change
without notice. NoOrder On-line at www.hittite.com
Phone: 781-329-4700 • Order online at www.analog.com
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Phone: 978-250-3343
or apps@hittite.com
Application
Support: Phone: 1-800-ANALOG-D
Trademarks and registered trademarks areApplication
the property of theirSupport:
respective owners.
4
HMC1097LP4E
v03.0812
WIDEBAND DIRECT QUADRATURE
MODULATOR, 100 - 6000 MHz
Output Power vs. Baseband Voltage
@ 2100 MHz
Output Noise @ 20 MHz Offset
vs. Output Power Over LO Frequency
-140
OUTPUT NOISE @20 MHz (dBm/Hz)
11
11
OUTPUT POWER (dBm)
10
9
8
7
6
5
4
3
2
0
-1
0.9 1
2
3
INPUT BASEBAND VOLTAGE (Vpp-diff)
4
-150
-155
-160
LO=930MHz
LO=1930MHz
LO=2530MHz
LO=3530MHz
-165
-170
-10
-5
0
OUTPUT POWER (dBm)
5
ACPR for W-CDMA @ 2140 MHz, 1 Carrier[1]
-60
-65
ACPR (dBc)
MODS & DEMODULATORS - SMT
1
-145
-70
-75
-80
-30
-25
-20
-15
-10
-5
0
CARRIER OUTPUT POWER (dBm)
[1] W-CDMA (Modulation Set-up for ACPR Mode); The Baseband I and Q input signals were generated using “Test Model 1 with 64 channels”
settings in the Agilent E3844C.
5
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and Microwave
reliable. However,Corporation,
no
For price, 2delivery,
and to
placeChelmsford,
orders: Analog MA
Devices,
Inc.,
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
Phone:
978-250-3343
Fax:
978-250-3373
rights of third parties that may result
from its use.
Specifications subject
to change
without notice. NoOrder On-line at www.hittite.com
Phone: 781-329-4700 • Order online at www.analog.com
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Phone: 978-250-3343
or apps@hittite.com
Application
Support: Phone: 1-800-ANALOG-D
Trademarks and registered trademarks areApplication
the property of theirSupport:
respective owners.
HMC1097LP4E
v03.0812
WIDEBAND DIRECT QUADRATURE
MODULATOR, 100 - 6000 MHz
Absolute Maximum Ratings
0V to +5.6V
LO Input Power
+18 dBm
Baseband Input Voltage (AC + DC)
(Reference to GND)
-0.3V to + 1.3V
Junction Temperature
125°C
Continuous Pdiss (T = 85°C)
(Derate 30 mW/°C above 85°C)
2.05 Watts
Thermal Resistance (Rth)
(junction to ground paddle)
9°C/W
Storage Temperature
-65 to +150 °C
Operating Temperature
-40 to +85 °C
ESD Sensitivity (HBM)
Class 1B
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
Outline Drawing
NOTES:
1. PACKAGE BODY MATERIAL: LOW STRESS INJECTION MOLDED PLASTIC SILICA
AND SILICON IMPREGNATED.
MODS & DEMODULATORS - SMT
Vcc1, Vcc2, EN
2. LEAD AND GROUND PADDLE MATERIAL: COPPER ALLOY.
3. LEAD AND GROUND PADDLE PLATING: 100% MATTE TIN.
4. DIMENSIONS ARE IN INCHES [MILLIMETERS].
5. LEAD SPACING TOLERANCE IS NON-CUMULATIVE.
6. CHARACTERS TO BE HELVETICA MEDIUM, .025 HIGH, WHITE INK, OR LASER MARK
LOCATED APPROX. AS SHOWN.
7. PAD BURR LENGTH SHALL BE 0.15mm MAX. PAD BURR HEIGHT SHALL BE 0.25mm
MAX.
8. PACKAGE WARP SHALL NOT EXCEED 0.05mm
9. ALL GROUND LEADS AND GROUND PADDLE MUST BE SOLDERED TO PCB RF
GROUND.
10. REFER TO HITTITE APPLICATION NOTE FOR SUGGESTED PCB LAND PATTERN.
Package Information
Part Number
Package Body Material
Lead Finish
HMC1097LP4E
RoHS-compliant Low Stress Injection Molded Plastic
100% matte Sn
MSL Rating
MSL1
[1]
Package Marking [2]
H1097
XXXX
[1] Max peak reflow temperature of 260 °C
[2] 4-Digit lot number XXXX
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Hittite
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furnished
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believedorders:
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and Microwave
reliable. However,Corporation,
no
For price, 2delivery,
and to
placeChelmsford,
orders: Analog MA
Devices,
Inc.,
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
Phone:
978-250-3343
Fax:
978-250-3373
rights of third parties that may result
from its use.
Specifications subject
to change
without notice. NoOrder On-line at www.hittite.com
Phone: 781-329-4700 • Order online at www.analog.com
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Phone: 978-250-3343
or apps@hittite.com
Application
Support: Phone: 1-800-ANALOG-D
Trademarks and registered trademarks areApplication
the property of theirSupport:
respective owners.
6
HMC1097LP4E
v03.0812
WIDEBAND DIRECT QUADRATURE
MODULATOR, 100 - 6000 MHz
Pin Descriptions
Pin Number
Function
Description
1, 6, 13, 15
N/C
Not connected.
2, 5, 8, 11,
12, 14, 17, 19,
20, 23
GND
These pins and the ground paddle should be
connected to a high quality RF/DC ground.
3, 4
LOP, LON
LO inputs. AC coupled and matched to 50 Ohms single
ended. Do not need external DC decoupling capacitors.
The ports could be driven single-ended or differentially.
EN
This pin has a 10 Kohm pulldown resistor to GND. When
connected to GND or left floating the chip is fully enabled.
When connected to VCC the LO amplifiers and the mixers
are disabled.
Interface Schematic
MODS & DEMODULATORS - SMT
11
7
9, 10
QN, QP
Q channel differential baseband input.These are high
impedance ports. The nominal recommended bias voltage
is 0.45V (0.4V-0.5V)[1].The nominal recommended
baseband input AC voltage is 1.3V peak-to-peak
differential.By adjusting the DC offsets on ports QN & QP ,
the Carrier Suppression of the device can be optimized for
a specific frequency band and LO power level. The typical
offset voltege for optimization is less than 15 mV.
The amplitude and phase difference between The I and Q
inputs can be adjusted in order to optimize the Sideband
Suppression for a specific frequency band and LO power
level
21, 22
IP, IN
I channel differential baseband input. These are high
impedance ports. The nominal recommended bias voltage
is 0.45V (0.4V-0.5V)[1].The nominal recommended
baseband input AC voltage is 1.3V peak-to-peak
differential.By adjusting the DC offsets on ports IN & IP ,
the Carrier Suppression of the device can be optimized for
a specific frequency band and LO power level. The typical
offset voltege for optimization is less than 15 mV.
The amplitude and phase difference between The I and Q
inputs can be adjusted in order to optimize the Sideband
Suppression for a specific frequency band and LO power
level
16
RFOUT
DC coupled and matched to 50 Ohms.
Output requires an external DC blocking capacitor.
[1] See Linearity Optimizetion in the Application Information Section .
7
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reliable. However,Corporation,
no
For price, 2delivery,
and to
placeChelmsford,
orders: Analog MA
Devices,
Inc.,
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
Phone:
978-250-3343
Fax:
978-250-3373
rights of third parties that may result
from its use.
Specifications subject
to change
without notice. NoOrder On-line at www.hittite.com
Phone: 781-329-4700 • Order online at www.analog.com
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Phone: 978-250-3343
or apps@hittite.com
Application
Support: Phone: 1-800-ANALOG-D
Trademarks and registered trademarks areApplication
the property of theirSupport:
respective owners.
HMC1097LP4E
v03.0812
WIDEBAND DIRECT QUADRATURE
MODULATOR, 100 - 6000 MHz
Pin Descriptions (continued)
Function
Description
18
Vcc1
Supply voltage for the output stages 30 mA @ +5V.
24
Vcc2
Supply voltage for the LO and mixer stage 140 mA @ +5V.
Interface Schematic
Application & Evaluation PCB Schematic
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reliable. However,Corporation,
no
For price, 2delivery,
and to
placeChelmsford,
orders: Analog MA
Devices,
Inc.,
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
Phone:
978-250-3343
Fax:
978-250-3373
rights of third parties that may result
from its use.
Specifications subject
to change
without notice. NoOrder On-line at www.hittite.com
Phone: 781-329-4700 • Order online at www.analog.com
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Phone: 978-250-3343
or apps@hittite.com
Application
Support: Phone: 1-800-ANALOG-D
Trademarks and registered trademarks areApplication
the property of theirSupport:
respective owners.
MODS & DEMODULATORS - SMT
Pin Number
8
HMC1097LP4E
v03.0812
WIDEBAND DIRECT QUADRATURE
MODULATOR, 100 - 6000 MHz
Evaluation PCB
MODS & DEMODULATORS - SMT
11
List of Materials for Evaluation PCB EVAL01-HMC1097LP4E[1]
Item
Description
J1 - J7
PC Mount SMA Connector
J8-J10
DC Molex Connector
C1 - C3
100 pF Chip Capacitor, 0402 Pkg.
C8, C9
1000 pF Chip Capacitor, 0402 Pkg.
C10, C11
4.7 uF, Case A, Tantalum
R2
0 Ohm Resistor, 0402 Pkg.
R3
49.9 Ohm Resistor, 0402 Pkg.
U1
HMC1097LP4E Modulator
PCB [2]
600-00313-00-1 Evaluation PCB
The circuit board used in the application should use
RF circuit design techniques. Signal lines should
have 50 ohm impedance while the package ground
leads and exposed paddle should be connected
directly to the ground plane similar to that shown.
A sufficient number of via holes should be used to
connect the top and bottom ground planes. The
evaluation circuit board shown is available from
Hittite upon request.
[1] Reference this number when ordering complete evaluation PCB
[2] Circuit Board Material: Rogers 4350
9
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Phone:
978-250-3343
Fax:
978-250-3373
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license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
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Support: Phone: 1-800-ANALOG-D
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HMC1097LP4E
v03.0812
WIDEBAND DIRECT QUADRATURE
MODULATOR, 100 - 6000 MHz
MODS & DEMODULATORS - SMT
Characterization Set-up
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One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
Phone:
978-250-3343
Fax:
978-250-3373
rights of third parties that may result
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Specifications subject
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without notice. NoOrder On-line at www.hittite.com
Phone: 781-329-4700 • Order online at www.analog.com
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
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10
HMC1097LP4E
v03.0812
WIDEBAND DIRECT QUADRATURE
MODULATOR, 100 - 6000 MHz
Application Information
Principle of Operation
MODS & DEMODULATORS - SMT
11
Figure 1: The HMC1097LP4E Simplified Block Diagram
The HMC1097LP4E is a low-noise, high-linearity, broadband Direct Quadrature Modulator designed for directly
converting complex modulated baseband signals from zero IF or low IF to RF transmission levels from 100 MHz
to 6 GHz. The HMC1097LP4E’s excellent noise and linearity performance makes it suitable for a wide range of
transmission standards, including single and multicarrier CDMA, UMTS, CDMA2000, GSM/EDGE, W-CDMA, TDSCDMA, and WiMAX/LTE applications.
As shown in the simplified block diagram (Figure 1) the HMC1097LP4E offers an easy-to-use, complete direct
conversion solution in a highly compact 4 x 4 mm plastic package thereby reducing cost, area, and power consumption.
The HMC1097LP4E modulator consists of the following functional blocks:
1. LO Interface: High Accuracy LO quadrature phase splitter and LO limiting amplifiers
2. I/Q modulator: I and Q input differential voltage-to-current converters, I and Q upconverting mixers and the
differential-to-single-ended converter
3. Bias and Enable/Disable Circuits
LO Interface
The LO interface consists of a LO quadrature phase splitter that generates two carrier signals in quadrature followed
by LO limiting amplifiers which are used to drive the I and Q mixers with saturated signal levels. Therefore, the LO
path is immune to large variations in the LO input signal level and the modulator performance does not vary much
11
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orders: Analog MA
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responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
Phone:
978-250-3343
Fax:
978-250-3373
rights of third parties that may result
from its use.
Specifications subject
to change
without notice. NoOrder On-line at www.hittite.com
Phone: 781-329-4700 • Order online at www.analog.com
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
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or apps@hittite.com
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Support: Phone: 1-800-ANALOG-D
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HMC1097LP4E
v03.0812
WIDEBAND DIRECT QUADRATURE
MODULATOR, 100 - 6000 MHz
with LO input power.
The LO input impedance is set by the LO quadrature phase splitter. The LO port can be driven differentially with 100
Ω differential input impedance or single ended through LON input with 50Ω input impedance while the unused LOP
input should be terminated to GND through 50Ω. The LO port requires -6 to +6 dBm input power in either differential
or single-ended mode and does not require DC blocking capacitors.
The differential baseband inputs (QP, QN, IP, and IN) present a high impedance. The DC common-mode voltage
at the baseband inputs sets the currents in the I and Q double-balanced mixers. The nominal baseband input DC
common-mode voltage used in the characterization of the HMC1097LP4E is 0.45V, which should be externally applied.
The baseband input DC common-mode voltage can be varied between 0.4V and 0.5V to optimize overall modulator
performance. It is not recommended to leave the baseband inputs floating which generates excessive current flow that
may cause damage to the IC. The baseband inputs should be pulled down to GND in shutdown mode. The nominal
baseband input AC Voltage used in the characterization of the HMC1097LP4E is 1.3Vpp differential. The baseband
input AC voltage can be varied to optimize overall modulator performance.
It is recommended to drive the baseband inputs differentially to reduce even-order distortion products and also use
reconstruction filters at the baseband inputs to avoid aliasing
After upconversion, the outputs of the I and Q mixers are summed together differentially and converted to singleended RF output. The single-ended RF output port is internally matched to 50 Ohms and does not require any
external matching components. Only a standard DC-blocking capacitor is required at this interface.
Bias and Enable/Disable Circuits
A bandgap reference circuit generates the reference currents used by the different sections. The part requires a single
supply voltage of +5V to operate.
The EN pin can be used to disable the bandgap reference circuit. Disabling the bias circuit will also disable the
reference currents to the LO limiting amplifiers,I and Q mixers and the output stage. If the EN pin is connected
to ground or left floating, the part operates normally. If the EN pin is connected to the +5V VCC, the LO limiting
amplifiers, I and Q mixers and the output stage are disabled and the LO leakage is also reduced. The LO signal itself
is suppressed approximately by 57.1 dB at 2.1GHz when the EN pin is connected to the +5V VCC. The enable and
disable settling times are approximately 400 ns.
MODS & DEMODULATORS - SMT
I/Q Modulator
Carrier Feedthrough Calibration
Carrier feedthrough is related to the dc offsets at the differential baseband inputs of the modulator. If exactly the same
DC common-mode voltage is applied to each of the baseband inputs and there were no dc offsets at the differential
baseband inputs, the LO leakage at the RF output would be perfectly suppressed.
By adding small DC offset voltages at the differential baseband inputs, the carrier feedthrough can be optimized for
a specific frequency band and LO power level. The carrier feedthrough can not be calibrated by the DC commonmode level at the I and Q baseband inputs. DC offsets at the differential I and Q baseband inputs should be iteratively
adjusted until a minimum carrier feedthrough level is obtained. Externally available offset voltage steps and the
modulator’s noise floor limit the minimum achievable calibrated carrier feedthrough level. The typical offset voltages
for optimization are less than 15mV. Figure 2 illustrates the typical calibrated carrier feedthrough performance of the
HMC1097LP4E. In this characterization of the HMC1097LP4E, carrier feedthrough was calibrated with 500MHz LO
frequency steps at 25C and external offset voltage settings were held constant during tests over temperature. For
instance, the required the Q channel offset is 2mV and the I channel offset is -3mV at 2.5GHz.
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and Microwave
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no
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orders: Analog MA
Devices,
Inc.,
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
Phone:
978-250-3343
Fax:
978-250-3373
rights of third parties that may result
from its use.
Specifications subject
to change
without notice. NoOrder On-line at www.hittite.com
Phone: 781-329-4700 • Order online at www.analog.com
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Phone: 978-250-3343
or apps@hittite.com
Application
Support: Phone: 1-800-ANALOG-D
Trademarks and registered trademarks areApplication
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respective owners.
12
HMC1097LP4E
v03.0812
WIDEBAND DIRECT QUADRATURE
MODULATOR, 100 - 6000 MHz
CARRIER FEEDTHROUGH (dBm)
0
-20
-30
-40
-50
-60
-70
-80
-90
0
1000
2000
3000
4000
5000
6000
FREQUENCY (MHz)
Figure 2: The HMC1097LP4E Calibrated Carrier Feedthrough
Sideband Suppression Calibration
Sideband suppression is related to relative gain and relative phase offsets between the I-channel and Q-channel.
The amplitude and phase difference between the I and Q inputs can be adjusted in order to optimize the sideband
suppression for a specific frequency band and LO power level. The amplitude and phase offsets at the I and Q
inputs should be iteratively adjusted until a minimum sideband suppression level is obtained. The externally available
amplitude and phase steps and the modulator’s noise floor limit the minimum achievable calibrated sideband
suppression level. Figure 3 illustrates the typical calibrated sideband suppression performance of the HMC1097LP4E.
In this characterization of the HMC1097LP4E, sideband suppression was calibrated with 500MHz LO frequency
steps at 25C and external amplitude and phase offset settings were held constant during tests over temperature. For
instance, gain imbalance is equal to -0.03dB and phase imbalance is equal to -0.25deg at 2.5GHz.
0
SIDEBAND SUPPRESSION (dBc)
MODS & DEMODULATORS - SMT
11
+25C
+85C
-40C
-10
-10
+25C
+85C
-40C
-20
-30
-40
-50
-60
-70
-80
-90
-100
0
1000
2000
3000
4000
5000
6000
FREQUENCY (MHz)
Figure 3: The HMC1097LP4E Calibrated Sideband Suppression
Linearity Optimization
Output IP3 (OIP3) of the HMC1097LP4E depends on the DC common-mode level at the I and Q baseband inputs. The
DC common-mode level at the I and Q baseband inputs can be adjusted in order to optimize the OIP3 for a specific
frequency band. Figure 4 illustrates the typical relationship between OIP3 and the DC common-mode level at the I and
Q baseband inputs for different LO frequencies. As shown in Figure 4, OIP3 of the HMC1097LP4E can be optimized
up to 35dBm.
13
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For price, 2delivery,
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orders: Analog MA
Devices,
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responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
Phone:
978-250-3343
Fax:
978-250-3373
rights of third parties that may result
from its use.
Specifications subject
to change
without notice. NoOrder On-line at www.hittite.com
Phone: 781-329-4700 • Order online at www.analog.com
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Phone: 978-250-3343
or apps@hittite.com
Application
Support: Phone: 1-800-ANALOG-D
Trademarks and registered trademarks areApplication
the property of theirSupport:
respective owners.
HMC1097LP4E
v03.0812
WIDEBAND DIRECT QUADRATURE
MODULATOR, 100 - 6000 MHz
50
45
35
30
25
20
15
450 MHz
900 MHz
1900 MHz
2600 MHz
3500 MHz
10
5
0
0.35
0.4
0.45
0.5
0.55
BASEBAND VOLTAGE (V)
Figure 4: The HMC1097LP4E Linearity Optimization
GSM/EDGE Operation
The HMC1097LP4E is suitable for GSM/EDGE applications. The EVM performance of the HMC1097LP4E in a GSM/
EDGE environment is shown in Figure 5.
6
EVM (%rms)
5
900 MHz
1900 MHz
4
3
2
1
0
-15
-12
-9
-6
-3
0
3
6
OUTPUT POWER dBm)
Figure 5: The HMC1097LP4E EVM vs. Output Power @ GSM/EDGE(8-PSK)
Wimax Operation
The HMC1097LP4E is suitable for Wimax applications. The EVM performance of the HMC1097LP4E in a Wimax
environment is shown in Figure 6.
MODS & DEMODULATORS - SMT
OUTPUT IP3 (dBm)
40
5
EVM (%rms)
4
3
2
1
0
-12
-9
-6
-3
0
3
OUTPUT POWER dBm)
Figure 6: The HMC1097LP4E EVM vs. Output Power @ Wimax 64QAM 3500MHz
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orders: Analog MA
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responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
Phone:
978-250-3343
Fax:
978-250-3373
rights of third parties that may result
from its use.
Specifications subject
to change
without notice. NoOrder On-line at www.hittite.com
Phone: 781-329-4700 • Order online at www.analog.com
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
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Application
Support: Phone: 1-800-ANALOG-D
Trademarks and registered trademarks areApplication
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14
HMC1097LP4E
v03.0812
WIDEBAND DIRECT QUADRATURE
MODULATOR, 100 - 6000 MHz
W-CDMA Operation
The HMC1097LP4E is suitable for W-CDMA operation. Figure 7 shows the adjacent and alternate channel power
ratios for the HMC1097LP4E at an LO frequency of 2140 MHz. The HMC1097LP4E is able to deliver about −73 dBc
ACPR and −80 dBc AltCPR at an output power of −10 dBm. ACPR and AltCPR performances of the HMC1097LP4E
can be improved by adjusting the DC common-mode level on the I and Q baseband inputs.
-30
ACPR and AltCPR (dB)
-40
ACPR
AltCPR
-50
-60
-70
-80
-90
-30
-25
-20
-15
-10
-5
0
OUTPUT POWER dBm)
Figure 7: The HMC1097LP4E ACPR and AltCPR vs. Output Power @ WCDMA
LTE Operation
The HMC1097LP4E is suitable for LTE applications. The EVM performance of the HMC1097LP4E in a LTE environment
is shown in Figure 8.
8
7
6
EVM (%rms)
MODS & DEMODULATORS - SMT
11
700 MHz
1700 MHz
5
4
3
2
1
0
-15
-12
-9
-6
-3
0
3
OUTPUT POWER dBm)
Figure 8: The HMC1097LP4E EVM vs. Output Power @ LTE Downlink 25RB QPSK
15
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Phone:
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Fax:
978-250-3373
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