HMC634
v01.0308
DRIVER & GAIN BLOCK AMPLIFIERS - CHIP
2
GaAs PHEMT MMIC DRIVER
AMPLIFIER, 5 - 20 GHz
Typical Applications
Features
The HMC634 is ideal for:
Gain: 22 dB
• Point-to-Point Radios
P1dB: +23 dBm
• Point- to-Multi-Point Radios & VSAT
Output IP3: +31 dBm
• LO Driver for Mixers
Saturated Power: 24 dBm @ 23% PAE
• Military & Space
Supply Voltage: +5 V @ 180 mA
50 Ohm Matched Input/Output
Die Size: 2.07 x 0.97 x 0.10 mm
Functional Diagram
General Description
The HMC634 is a GaAs MMIC PHEMT Driver
Amplifier die which operates between 5 and 20 GHz.
The amplifier provides up to 22 dB of gain, +31 dBm
Output IP3, and up to +23 dBm of output power at 1 dB
gain compression, while requiring 180 mA from a +5V
supply. The HMC634 is an ideal driver amplifier for
microwave radio applications from 5 to 20 GHz, and
may be biased at +5V, 130 mA to provide 2 dB lower
gain with improved PAE. The HMC634 amplifier I/O’s
are DC blocked and internally matched to 50 Ohms
facilitating easy integration into Multi-Chip-Modules
(MCMs). All data is taken with die connected at input
and output RF ports via one 1 mil wedge bond with
minimal length of 0.31 mm (12 mils).
Electrical Specifi cations, TA = +25° C, Vdd1, Vdd2, Vdd3, Vdd4= 5V, Idd= 180mA[1]
Parameter
Min.
Frequency Range
Gain
17
Gain Variation Over Temperature
Min.
17
0.040
23
Max.
9
18
Units
GHz
20
0.025
12
21
Typ.
16 - 20
12
Output Return Loss
dB
0.035
dB/ °C
dB
11
dB
21
dBm
Saturated Output Power (Psat)
24
22
dBm
Output Third Order Intercept (IP3)
31
30
dBm
Noise Figure
Supply Current (Idd1 + Idd2 + Idd3 + Idd4)
[1]
2 - 50
Max.
22
0.030
Input Return Loss
Output Power for 1 dB Compression (P1dB)
Typ.
5 - 16
7
7.5
dB
180
180
mA
Adjust Vgg between -2 to 0V to achieve Idd = 180mA Typical
For price,
delivery,
and to place
orders: Analog Devices, Inc.,
For price, delivery, and to place orders, please contact
Hittite
Microwave
Corporation:
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343
Fax:
978-250-3373
Phone: 781-329-4700
• Order
online at www.analog.com
Application Support: Phone: 1-800-ANALOG-D
Order On-line at www.hittite.com
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
HMC634
v01.0308
GaAs PHEMT MMIC DRIVER
AMPLIFIER, 5 - 20 GHz
Gain vs. Temperature
30
20
25
10
S21
S11
S22
0
2
20
-10
15
+25 C
+85 C
-55 C
10
-20
5
-30
-40
0
2
4
6
8
10
12
14
16
18
20
22
24
2
4
6
8
FREQUENCY (GHz)
Input Return Loss vs. Temperature
12
14
16
18
20
22
24
Output Return Loss vs. Temperature
0
0
-2
-5
-4
+25 C
+85 C
-55 C
-6
RETURN LOSS (dB)
RETURN LOSS (dB)
10
FREQUENCY (GHz)
-8
-10
-12
-14
-10
-15
-20
+25 C
+85 C
-55 C
-25
-16
-30
-18
-20
-35
2
4
6
8
10
12
14
16
18
20
22
2
24
4
6
8
FREQUENCY (GHz)
12
14
16
18
20
22
24
18
20
22
24
Psat vs. Temperature
30
30
27
27
Psat (dBm)
P1dB (dBm)
P1dB vs. Temperature
24
21
10
FREQUENCY (GHz)
+25 C
+85 C
-55 C
18
24
21
+25 C
+85 C
-55 C
18
15
DRIVER & GAIN BLOCK AMPLIFIERS - CHIP
30
GAIN (dB)
RESPONSE (dB)
Broadband Gain & Return Loss
15
2
4
6
8
10
12
14
16
18
20
22
24
FREQUENCY (GHz)
2
4
6
8
10
12
14
16
FREQUENCY (GHz)
For price,
delivery,
and to place
orders: Analog Devices, Inc.,
For price, delivery, and to place orders, please contact
Hittite
Microwave
Corporation:
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343
Fax:
978-250-3373
Phone: 781-329-4700
• Order
online at www.analog.com
Application Support: Phone: 1-800-ANALOG-D
Order On-line at www.hittite.com
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
2 - 51
HMC634
v01.0308
GaAs PHEMT MMIC DRIVER
AMPLIFIER, 5 - 20 GHz
Power Compression @ 20 GHz
30
27
27
Pout (dBm), GAIN (dB), PAE (%)
30
24
21
18
15
12
9
Pout (dBm)
Gain (dB)
PAE (%)
6
3
21
18
15
12
9
6
Pout (dBm)
Gain (dB)
PAE (%)
-8
-6
-4
-2
0
2
4
0
-10
6
-8
-6
INPUT POWER (dBm)
-4
-2
0
2
4
6
INPUT POWER (dBm)
Output IP3 vs. Temperature
Noise Figure vs. Temperature
15
36
34
12
NOISE FIGURE (dB)
32
IP3 (dBm)
30
28
26
24
+25 C
+85 C
-55 C
22
9
6
+25 C
+85 C
-55 C
3
20
18
16
0
3
6
9
12
15
18
21
2
24
4
6
8
FREQUENCY (GHz)
10
12
14
16
18
20
22
24
22
24
FREQUENCY (GHz)
Gain & Power vs.
Supply Voltage @ 12.5 GHz
Reverse Isolation vs. Temperature
26
0
-10
25
ISOLATION (dB)
-20
24
23
22
Gain
P1dB
Psat
21
+25 C
+85 C
-55 C
-30
-40
-50
-60
-70
-80
-90
20
4.5
-100
4.6
4.7
4.8
4.9
5
5.1
5.2
5.3
5.4
5.5
Vdd (V)
2 - 52
24
3
0
-10
GAIN (dB), P1dB (dBm), Psat (dBm)
DRIVER & GAIN BLOCK AMPLIFIERS - CHIP
2
Pout (dBm), GAIN (dB), PAE (%)
Power Compression @ 12.5 GHz
2
4
6
8
10
12
14
16
18
20
FREQUENCY (GHz)
For price,
delivery,
and to place
orders: Analog Devices, Inc.,
For price, delivery, and to place orders, please contact
Hittite
Microwave
Corporation:
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343
Fax:
978-250-3373
Phone: 781-329-4700
• Order
online at www.analog.com
Application Support: Phone: 1-800-ANALOG-D
Order On-line at www.hittite.com
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
HMC634
v01.0308
GaAs PHEMT MMIC DRIVER
AMPLIFIER, 5 - 20 GHz
Idd
30
180
25
150
20
120
Gain
P1dB
Psat
IP3
90
15
-0.85
-0.83
-0.8
-0.78
-0.75
-0.73
-0.7
Vgg (V)
Absolute Maximum Ratings
Drain Bias Voltage
(Vdd1, Vdd2, Vdd3, Vdd4)
+5.5 Vdc
Gate Bias Voltage (Vgg)
-3 to 0 Vdc
RF Input Power (RFIN)(Vdd = +5 Vdc)
+10 dBm
Channel Temperature
175 °C
Continuous Pdiss (T= 85 °C)
(derate 11.93 mW/°C above 85 °C)
1.07 W
Thermal Resistance
(channel to die bottom)
83.8 °C/W
Storage Temperature
-65 to +150 °C
Operating Temperature
-55 to +85 °C
Typical Supply Current vs. Vdd
Vdd (V)
Idd (mA)
4.5
175
5.0
180
5.5
182
Note: Amplifi er will operate over full voltage ranges shown above
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
For price,
delivery,
and to place
orders: Analog Devices, Inc.,
For price, delivery, and to place orders, please contact
Hittite
Microwave
Corporation:
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343
Fax:
978-250-3373
Phone: 781-329-4700
• Order
online at www.analog.com
Application Support: Phone: 1-800-ANALOG-D
Order On-line at www.hittite.com
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
DRIVER & GAIN BLOCK AMPLIFIERS - CHIP
2
210
35
Idd (mA)
GAIN (dB), P1dB (dBm), Psat (dBm), IP3 (dBm)
Gain, Power & Output IP3
vs. Gate Voltage @ 12.5 GHz
2 - 53
HMC634
v01.0308
GaAs PHEMT MMIC DRIVER
AMPLIFIER, 5 - 20 GHz
Outline Drawing
DRIVER & GAIN BLOCK AMPLIFIERS - CHIP
2
NOTES:
1. ALL DIMENSIONS ARE IN INCHES [MM]
2. DIE THICKNESS IS .004”
3. TYPICAL BOND IS .004” SQUARE
4. BACKSIDE METALLIZATION: GOLD
5. BOND PAD METALLIZATION: GOLD
6. BACKSIDE METAL IS GROUND.
7. CONNECTION NOT REQUIRED FOR UNLABELED BOND PADS.
Die Packaging Information [1]
Standard
Alternate
GP-2 (Gel Pack)
[2]
[1] Refer to the “Packaging Information” section for die
packaging dimensions.
[2] For alternate packaging information contact Hittite
Microwave Corporation.
2 - 54
For price,
delivery,
and to place
orders: Analog Devices, Inc.,
For price, delivery, and to place orders, please contact
Hittite
Microwave
Corporation:
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343
Fax:
978-250-3373
Phone: 781-329-4700
• Order
online at www.analog.com
Application Support: Phone: 1-800-ANALOG-D
Order On-line at www.hittite.com
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
HMC634
v01.0308
GaAs PHEMT MMIC DRIVER
AMPLIFIER, 5 - 20 GHz
Pad Descriptions
Function
Description
1
RFIN
This pad is AC coupled
and matched to 50 Ohms.
2, 3, 4, 5
Vdd1, Vdd2, Vdd3,
Vdd4
Power Supply Voltage for the amplifier. See assembly
diagram for required external components.
6
RFOUT
This pad is AC coupled
and matched to 50 Ohms.
7
Vgg
Gate control for amplifier, please follow “MMIC Amplifier Biasing Procedure” Application Note. See assembly
diagram for required external components.
Die Bottom
GND
Die bottom must be connected to RF/DC ground.
Interface Schematic
For price,
delivery,
and to place
orders: Analog Devices, Inc.,
For price, delivery, and to place orders, please contact
Hittite
Microwave
Corporation:
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343
Fax:
978-250-3373
Phone: 781-329-4700
• Order
online at www.analog.com
Application Support: Phone: 1-800-ANALOG-D
Order On-line at www.hittite.com
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
2
DRIVER & GAIN BLOCK AMPLIFIERS - CHIP
Pad Number
2 - 55
HMC634
v01.0308
GaAs PHEMT MMIC DRIVER
AMPLIFIER, 5 - 20 GHz
Assembly Diagram
DRIVER & GAIN BLOCK AMPLIFIERS - CHIP
2
2 - 56
For price,
delivery,
and to place
orders: Analog Devices, Inc.,
For price, delivery, and to place orders, please contact
Hittite
Microwave
Corporation:
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343
Fax:
978-250-3373
Phone: 781-329-4700
• Order
online at www.analog.com
Application Support: Phone: 1-800-ANALOG-D
Order On-line at www.hittite.com
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
HMC634
v01.0308
GaAs PHEMT MMIC DRIVER
AMPLIFIER, 5 - 20 GHz
Mounting & Bonding Techniques for Millimeterwave GaAs MMICs
50 Ohm Microstrip transmission lines on 0.127mm (5 mil) thick alumina
thin film substrates are recommended for bringing RF to and from the chip
(Figure 1). If 0.254mm (10 mil) thick alumina thin film substrates must be
used, the die should be raised 0.150mm (6 mils) so that the surface of
the die is coplanar with the surface of the substrate. One way to accomplish this is to attach the 0.102mm (4 mil) thick die to a 0.150mm (6 mil)
thick molybdenum heat spreader (moly-tab) which is then attached to the
ground plane (Figure 2).
0.102mm (0.004”) Thick GaAs MMIC
Ribbon Bond
0.076mm
(0.003”)
RF Ground Plane
Microstrip substrates should brought as close to the die as possible in
order to minimize bond wire length. Typical die-to-substrate spacing is
0.076mm to 0.152 mm (3 to 6 mils).
0.127mm (0.005”) Thick Alumina
Thin Film Substrate
Figure 1.
Handling Precautions
Follow these precautions to avoid permanent damage.
Storage: All bare die are placed in either Waffle or Gel based ESD protective containers, and then sealed in an ESD protective bag for shipment.
Once the sealed ESD protective bag has been opened, all die should be
stored in a dry nitrogen environment.
Cleanliness: Handle the chips in a clean environment. DO NOT attempt
to clean the chip using liquid cleaning systems.
Static Sensitivity:
strikes.
0.102mm (0.004”) Thick GaAs MMIC
Ribbon Bond
0.076mm
(0.003”)
RF Ground Plane
Follow ESD precautions to protect against ESD
Transients: Suppress instrument and bias supply transients while bias
is applied. Use shielded signal and bias cables to minimize inductive
pick-up.
2
0.150mm (0.005”) Thick
Moly Tab
0.254mm (0.010” Thick Alumina
Thin Film Substrate
Figure 2.
General Handling: Handle the chip along the edges with a vacuum collet or with a sharp pair of bent tweezers. The
surface of the chip has fragile air bridges and should not be touched with vacuum collet, tweezers, or fingers.
Mounting
The chip is back-metallized and can be die mounted with AuSn eutectic preforms or with electrically conductive epoxy.
The mounting surface should be clean and flat.
Eutectic Die Attach: A 80/20 gold tin preform is recommended with a work surface temperature of 255 °C and a tool
temperature of 265 °C. When hot 90/10 nitrogen/hydrogen gas is applied, tool tip temperature should be 290 °C. DO
NOT expose the chip to a temperature greater than 320 °C for more than 20 seconds. No more than 3 seconds of
scrubbing should be required for attachment.
DRIVER & GAIN BLOCK AMPLIFIERS - CHIP
The die should be attached directly to the ground plane eutectically or with
conductive epoxy (see HMC general Handling, Mounting, Bonding Note).
Epoxy Die Attach: Apply a minimum amount of epoxy to the mounting surface so that a thin epoxy fillet is observed
around the perimeter of the chip once it is placed into position. Cure epoxy per the manufacturer’s schedule.
Wire Bonding
Ball or wedge bond with 0.025mm (1 mil) diameter pure gold wire. Thermosonic wirebonding with a nominal stage
temperature of 150 °C and a ball bonding force of 40 to 50 grams or wedge bonding force of 18 to 22 grams is recommended. Use the minimum level of ultrasonic energy to achieve reliable wirebonds. Wirebonds should be started on
the chip and terminated on the package or substrate. All bonds should be as short as possible
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