AH1-1
Product Features
• • • • • •
The Communications Edge TM Product Information
High Dynamic Range Amplifier
Product Description
The AH1-1 is a high dynamic range amplifier in a low-cost surface-mount package. The combination of low noise figure and high output IP3 at the same bias point makes it ideal for receiver and transmitter applications. The AH1-1 is a specially screened version of the AH1 offering a very narrow gain spread from device to device. The device combines dependable performance with superb quality to maintain MTTF values exceeding 100 years at mounting temperatures of +85°C. The AH1-1 is available in both the standard SOT-89 package and the environmentally-friendly lead-free/green/RoHS-compliant SOT-89 package. The broadband amplifier uses a high reliability GaAs MMIC technology and is targeted for applications where high linearity is required. It is well suited for various current and next generation wireless technologies such as GPRS, GSM, CDMA, and W-CDMA. In addition, the AH1-1 will work for other applications within the 250 to 3000 MHz frequency range such as fixed wireless.
Functional Diagram
GND 4
250 – 3000 MHz +41 dBm OIP3 2.7 dB Noise Figure 13.5 dB Gain +21 dBm P1dB Lead-free/Green/RoHS-compliant SOT-89 Package • Single +5 V Supply • MTTF > 100 years
1 RF IN
2 GND
3 RF OUT
Applications
• • • • • • Mobile Infrastructure CATV / DBS W-LAN / ISM RFID Defense / Homeland Security Fixed Wireless
Function Input Output/Bias Ground
Pin No. 1 3 2, 4
Specifications (1)
Parameter
Operational Bandwidth Test Frequency Gain Input Return Loss Output Return Loss Output P1dB Output IP3 (2) Noise Figure (3) Operating Current Range Supply Voltage
Typical Performance (4)
Units
MHz MHz dB dB dB dBm dBm dB mA V
Min
250 12.9
Typ
800 13.3 8 15 +21 +41 2.7 150 5
Max
3000 13.8
Parameter
Frequency S21 S11 S22 Output P1dB Output IP3 (2) IS-95 Channel Power (5) Noise Figure Supply Voltage Device Current
Units
MHz dB dB dB dBm dBm dB dB V mA 900 14.2 -21 -14 +21.7 +42 +15.5 2.2
Typical
1900 12.2 -14 -13 +22 +41 +16.5 2.9 5 150 2140 12.0 -21 -11 +22 +40 2.9
+37 120
180
1. Test conditions unless otherwise noted: T = 25º C, 50 Ω system. 2. 3OIP measured with two tones at an output power of +5 dBm/tone separated by 10 MHz. The suppression on the largest IM3 product is used to calculate the 3OIP using a 2:1 rule. 3. Noise figure can be optimized by matching the input for optimal return loss.
4. Parameters reflect performance in an AH1-PCB application circuit, as shown on page 3. 5. Measured with -45 dBc ACPR, IS-95 9 channels fwd.
Absolute Maximum Rating
Parameter
Operating Case Temperature Storage Temperature Supply Voltage RF Input Power (continuous) Junction Temperature -40 to +85 °C -55 to +150 °C +6 V +10 dBm +220 °C
Ordering Information
Part No.
AH1-1 AH1-1G AH1-PCB
Rating
Description
High Dynamic Range Amplifier
(leaded SOT-89 Pkg)
High Dynamic Range Amplifier
(lead-free/green/RoHS-compliant SOT-89 Pkg)
0.8 – 2.5 GHz Fully Assembled Application Circuit
Specifications and information are subject to change without notice.
Operation of this device above any of these parameters may cause permanent damage.
WJ Communications, Inc • Phone 1-800-WJ1-4401 • FAX: 408-577-6621 • e-mail: sales@wj.com • W eb site: www.wj.com
September 2004
AH1-1
Gain vs. Output Power
The Communications Edge TM Product Information
High Dynamic Range Amplifier
S-Parameters (VDS = +5 V, IDS = 150 mA, T = 25°C, unmatched device in a 50 ohm system) Input return loss can be improved with the appropriate input matching network shown later in this datasheet.
Output IP3 vs. Output Power
Typical Device Data
14 13 12 11 10 9 0 5 10 Output Power (dBm)
Gain vs. Frequency 100% Idss 75% Idss 50% Idss
45 40 35 30
100% Idss
900 MHz
OIP3 Load Pull Circles 900 MHz
IP3=35 IP3=36 IP3=37 IP3=38 IP3=39 IP3=41
25 20
75% Idss 50% Idss
15
20
0
5
10 Output Power (dBm)
15
20
VSWR=1.5 VSWR=2 VSWR=3 VSWR=4 VSWR=5
Return Loss vs. Frequency
20 15
0 -5 -10
w/o Matching Circuitry
10 5
-15 -20 -25
S11 S22
0 0 500 1000 1500 2000 2500 3000 Frequency (MHz)
ACPR vs. Channel Power
-30 0 500 1000 1500
2000
2500
3000
Frequency (MHz)
ACPR vs. Channel Power -40
IS-95, 9 Ch. Fwd, ±885 kHz offset, 30 kHz Meas BW, 1900 MHz
-40
IS-95, 9 Ch. Fwd, ±885 kHz offset, 30 kHz Meas BW, 900 MHz
-50
-50
-60
-60
-70 10 11 12 13 14 15 16 17 Output Channel Power (dBm)
-70 10 11 12 13 14 15 16 17
Output Channel Power (dBm)
S-Parameters (VD = +5 V, ID = 150 mA, T = 25°C, calibrated to device leads)
Freq (MHz) S11 (dB) S11 (ang) S21 (dB) S21 (ang) S12 (dB) S12 (ang) S22 (dB) S22 (ang)
50 250 500 750 1000 1250 1500 1750 2000 2250 2500 2750 3000
-2.24 -4.76 -7.30 -8.66 -8.70 -8.32 -7.78 -7.32 -6.82 -6.46 -6.24 -5.74 -5.25
-0.36 -0.36 -0.30 -0.30 -0.34 -0.38 -0.41 -0.41 -0.40 -0.37 -0.32 -0.26 -0.19
17.17 15.74 14.67 14.11 13.83 13.62 13.36 13.03 12.80 12.52 12.14 11.81 11.45
164.69 161.34 160.30 154.63 146.75 138.48 129.80 121.57 113.51 104.74 96.55 88.90 81.33
-23.16 -20.54 -19.45 -19.15 -19.05 -18.99 -18.99 -18.96 -18.87 -18.89 -18.93 -18.93 -18.92
50.85 31.24 14.79 3.75 -1.71 -5.88 -9.79 -12.84 -16.17 -19.71 -23.30 -26.26 -29.49
-5.86 -8.86 -13.03 -16.72 -18.22 -19.16 -20.14 -20.93 -21.11 -21.15 -21.55 -22.52 -24.14
-33.21 -47.02 -52.43 -49.89 -48.40 -52.48 -59.84 -68.57 -76.23 -83.31 -90.61 -94.38 -104.23
Specifications and information are subject to change without notice. WJ Communications, Inc • Phone 1-800-WJ1-4401 • FAX: 408-577-6621 • e-mail: sales@wj.com • W eb site: www.wj.com September 2004
AH1-1
Frequency S21 – Gain S11 – Input R.L. S22 – Output R.L. Output P1dB Output IP3
(+5 dBm / tone, 10 MHz spacing)
The Communications Edge TM Product Information
High Dynamic Range Amplifier
Application Circuit: 800 – 2500 MHz (AH1-PCB)
Vcc = +5 V
Typical RF Performance at 25°C
Units 900 1900 2140 dB 14.2 12.2 12.0 dB -21 -14 -21 dB -14 -13 -11 dB +21.7 +22 +22 dB dB dB +42 +41 +40
All passive components are of size 0603 unless otherwise noted. Component C1 is shown in the silkscreen but is not used for this configuration. Z0=22 Ohm EL=15.2 Deg F0=0.9 GHz ID=Q1 NET="AH1"
ID=C5 C=56 pF
ID=C2 C=56 pF
ID=C4 L=12 nH
IS-95 Channel Power
(@-45 dBc ACPR, 9 channels fwd)
+15.5 +16.5 2.2 2.9 2.9 +5V @ 150mA
ID=C3 L=5.6 nH
ID=C6 C=56 pF
Noise Figure Device Bias
Gain
Return Loss
15 14 13 12 11 10 750 1000 1250 1500 1750 2000 2250 Frequency (MHz)
0 -5 -10 -15 -20 -25 -30 750 1000 1250 1500
S11 S22
1750
2000
2250
Circuit Board Material: .062” total thickness with a .014” FR-4 top RF layer, 4 layers (other layers added for rigidity), 1 oz copper, 50Ω Microstrip line details: width = .025”.
Frequency (MHz)
Specifications and information are subject to change without notice. WJ Communications, Inc • Phone 1-800-WJ1-4401 • FAX: 408-577-6621 • e-mail: sales@wj.com • W eb site: www.wj.com September 2004
AH1-1
The Communications Edge TM Product Information
High Dynamic Range Amplifier
AH1-1 (SOT-89 Package) Mechanical Information
This package may contain lead-bearing materials. The plating material on the leads is SnPb.
Outline Drawing
Product Marking
The AH1-1 will be marked with an “AH1” designator. An alphanumeric lot code (“XXXX-X”) is also marked below the part designator on the top surface of the package. A “1” will be lasermarked in the upper righthand corner. Tape and reel specifications for this part are located on the website in the “Application Notes” section.
MSL / ESD Rating
ESD Rating: Value: Test: Standard: ESD Rating: Value: Test: Standard:
Class 1B Passes 500V to
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