AG503-89
InGaP HBT Gain Block
Product Information
Product Features
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DC – 4000 MHz
+15.5 dBm P1dB at 900 MHz
+29 dBm OIP3 at 900 MHz
21.5 dB Gain at 900 MHz
Single Voltage Supply
Internally matched to 50
Ω
Lead-free/Green/
RoHS-
compliant
SOT-89 Package
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MTTF > 1000 years
Product Description
The AG503-89 is a general-purpose buffer amplifier that
offers high dynamic range in a low-cost surface-mount
package. At 900 MHz, the AG503-89 typically provides
21.5 dB of gain, +29 dBm Output IP3, & +15.5 dBm P1dB.
The device combines dependable performance with superb
quality to maintain MTTF values exceeding 1000 years at
mounting temperatures of +85°C and is available in the
environmentally-friendly lead-free/green/RoHS-compliant
SOT-89 package.
The AG503-89 consists of Darlington pair amplifiers using
the high reliability InGaP/GaAs HBT technology process
technology and only requires DC-blocking capacitors, a
bias resistor, and an inductive RF choke for operation.
The broadband MMIC amplifier can be directly applied to
various current and next generation wireless technologies
such as GPRS, GSM, CDMA, and W-CDMA. In addition,
the AG503-89 will work for other various applications
within the DC to 4 GHz frequency range such as CATV
and fixed wireless.
Functional Diagram
GND
4
1
RF IN
2
GND
3
RF OUT
Applications
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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 IP3
(2)
Output IP2
Output P1dB
Noise Figure
Test Frequency
Gain
Output IP3
(2)
Output P1dB
Device Voltage
Device Current
Typical Performance
(1)
Units
MHz
MHz
dB
dB
dB
dBm
dBm
dBm
dB
MHz
dB
dBm
dBm
V
mA
Min
DC
Typ
900
21.3
15
17
+29.0
+37
+15.6
3.1
1900
19.1
+27.4
+14.4
5.0
45
Max
4000
Parameter
Frequency
S21
S11
S22
Output P1dB
Output IP3
(2)
Noise Figure
Units
MHz
dB
dB
dB
dBm
dBm
dB
500
22.0
-18
-24
+15.6
+29.4
3.0
Typical
900
21.3
-15
-17
+15.6
+29.0
3.1
1900
19.1
-15
-10.6
+14.4
+27.4
3.3
2140
18.7
-17
-10.4
+14.2
+27.2
3.3
18.1
20.1
1. Test conditions: 25º C, Supply Voltage = +6 V, R
bias
= 22.1
Ω,
50
Ω
System.
2. 3OIP measured with two tones at an output power of 0 dBm/tone separated by 10 MHz. The
suppression on the largest IM3 product is used to calculate the 3OIP using a 2:1 rule.
Absolute Maximum Rating
Parameter
Operating Case Temperature
Storage Temperature
DC Voltage
RF Input Power (continuous)
Junction Temperature
Ordering Information
Part No.
AG503-89*
AG503-89G
AG503-89PCB
*
Rating
-40 to +85
°C
-55 to +150
°C
+5.8 V
+10 dBm
+250° C
Description
InGaP HBT Gain Block
(lead-tin SOT-89 Pkg)
InGaP HBT Gain Block
(lead-free/green/RoHS-compliant SOT-89 Pkg)
700 – 2400 MHz Fully Assembled Eval. Board
Operation of this device above any of these parameters may cause permanent damage.
This package is being phased out in favor of the green package type which is backwards compatible for
existing designs. Refer to Product Change Notification WJPCN06MAY05TC1 on the WJ website.
Specifications and information are subject to change without notice
Page 1 of 6
June 2005
WJ Communications, Inc
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Phone 1-800-WJ1-4401
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FAX: 408-577-6621
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e-mail: sales@wj.com
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Web site: www.wj.com
WJCI [ WJ COMMUNICATION. INC. ]
