The Communications Edge TM
AH118
¼ Watt, High Linearity InGaP HBT Amplifier
Product Information
Product Features
Product Description
Functional Diagram
GND
The AH118 is a high dynamic range driver amplifier in a
low-cost surface mount package. The InGaP/GaAs HBT is
able to achieve high performance across a broad range with
+40.5 dBm OIP3 and +24.7 dBm of compressed 1dB
power. The AH118 is available in a lead-free/green/RoHS-
compliant SOT-89 package. All devices are 100% RF and
DC tested.
• 60 – 3500 MHz
4
• +24.7 dBm P1dB
• +40.5 dBm Output IP3
• 20.4 dB Gain @ 900 MHz
• 16.5 dB Gain @ 1900 MHz
• +5V Single Positive Supply
1
2
3
The AH118 is targeted for use as a driver amplifier in
wireless infrastructure where high linearity and medium
power is required. Internal biasing allows the AH118 to
maintain high linearity over temperature and operate
directly off a single +5V supply. This combination makes
the device an excellent candidate for transceiver line cards
in current and next generation multi-carrier 3G base
stations.
RF IN
GND
RF OUT
• Lead-free/Green/RoHS-
compliant SOT-89 Package
Function
Pin No.
Input / Base
Output / Collector
Ground
1
3
2, 4
Applications
• Final stage amplifiers for
Repeaters
• Mobile Infrastructure
• DBS / WLL / W-LAN
• Defense / Homeland Security
Specifications (1)
Typical Performance (3)
Parameter
Operational Bandwidth
Test Frequency
Gain
Input Return Loss
Output Return Loss
Output P1dB
Output IP3 (2)
Units Min Typ Max
Parameter
Frequency
S21 - Gain
S11 - Input R.L.
S22 - Output R.L.
Output P1dB
Output IP3
Units
MHz
dB
dB
dB
Typical
MHz
MHz
dB
60
3500
900
20.4
-15
-12
+24.2
+40
1900
16.5
-12
-20
+24.7
+40.5
2140
16.3
-15
-16
+24.7
+40.5
1900
16.5
12
13.5
dB
dBm
dBm
dB
20
dBm
dBm
+23
+39.5
+24.7
+40.5
IS-95A Channel Power
dBm
+18.2
+18
@ -45 dBc ACPR,
IS-95A Channel Power
dBm
dBm
+18
wCDMA Channel Power
@ -45 dBc ACPR
dBm
dB
+16.7
4.8
@ -45 dBc ACLR
wCDMA Channel Power
+16.7
Noise Figure
Supply Bias
4.0
4.3
@ -45 dBc ACLR, 2140 MHz
+5 V @ 160 mA
Noise Figure
Operating Current Range
Device Voltage
dB
mA
V
4.3
160
+5
140
175
3. Typical parameters reflect performance in a tuned application circuit: Vsupply = +5 V, 160 mA,
+25 °C
1. Test conditions unless otherwise noted: 25ºC, Vsupply = +5 V, in tuned application circuit.
2. 3OIP measured with two tones at an output power of +11 dBm/tone separated by 1 MHz. The
suppression on the largest IM3 product is used to calculate the 3OIP using a 2:1 rule.
Absolute Maximum Rating
Ordering Information
Parameter
Rating
-40 to +85 °C
-65 to +150 °C
+15 dBm
+6 V
220 mA
+250 °C
Operating Case Temperature
Storage Temperature
RF Input Power (continuous)
Device Voltage
Part No.
AH118-89G
Description
High Linearity InGaP HBT Amplifier
(lead-free/green/RoHS-compliant SOT-89 package)
AH118-89PCB900
AH118-89PCB1900
AH118-89PCB2140
900 MHz Evaluation Board
1900 MHz Evaluation Board
2140 MHz Evaluation Board
Device Current
Junction Temperature
Operation of this device above any of these parameters may cause permanent damage.
Specifications and information are subject to change without notice
Page 1 of 8 May 2006
WJ Communications, Inc • Phone 1-800-WJ1-4401 • FAX: 408-577-6621 • e-mail: sales@wj.com • Web site: www.wj.com
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