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 CDMA 900 MHz Diplexer/LNA
Preliminary Specifications
CDMA 900 MHz Diplexer/LNA
Features
* * * * * * * * * * * * TX Passband 843 - 870 MHz RX Passband 915.325-924.675 MHz Low Transmit Insertion Loss < 0.6 dB Low Receive Noise Figure < 3.0 dB Typical Receive Path Gain 13 dB Typical Return Loss 18 dB RX to TX Rejections 85 dB TX to RX Rejections 97 dB to 3.0 GHz 1dB Compression Point +3.5dBm, typical Input Intercept Point +13dBm (Pin = -2 dBm) LNA Alarm Circuit Compact Size 13.39 x 10.63 x 2.05 inch
Description
M/A-COM's CDMA 900 Filter/LNA is ideally suited for all Basestation applications. The filter performance allows for 97dB rejection at 898 MHz, while the balanced LNA possesses excellent intermodulation performance, low noise figure and controllable gain. Custom models can be designed to fit other electrical and mechanical requirements.
Functional Diagram
FW D TX Ant
D.C.
RX LNA RX FW D DC & Alarm
Typical Electrical Specifications , TA= +25C
Parameters TX Path Insertion Loss Return Loss Rejection at RX Band RX PATH Gain Return Loss Noise Figure Input Third Order Intercept 1dB Compression Point Power and Current Units dB dB dB dB dB dB dBm dBm V, mA Min. 0.5 15 95 12 15 2.2 +12 +3.0 5, 170 Typ. 0.55 18 97 13.5 18 2.4 +13 +3.5 5, 180 Max. 0.6 22 105 15 20 3.0 +15 +4 5, 190
1
V1.00 M/A-COM Division of AMP Incorporated s North America: Tel. (800) 366-2266, Fax (800) 618-8883 s Asia/Pacific: Tel.+85 2 2111 8088, Fax +85 2 2111 8087 s Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
www.macom.com
AMP and Connecting at a Higher Level are trademarks. The preliminary specifications data sheet contains typical electrical specifications which may change prior to final introduction.
CDMA 900 MHz Diplexer/LNA
Absolute Maximum Ratings
Parameter Input Power Operating Temperature Storage Temperature
1
1
RX Path S11 & S21
vs. Frequency
Absolute Maximum 5 W CW -25C to +65C -65C to 150C
1. Exceeding these limits may cause permanent damage.
Typical Performance @ +25C TX Path S11 & S21
vs. Frequency
RX Path Rejections to 3 GHz
TX Path Rejections to 3 GHz
RX Path Noise Figure & Gain
V1.00 M/A-COM Division of AMP Incorporated s North America: Tel. (800) 366-2266, Fax (800) 618-8883 s Asia/Pacific: Tel.+85 2 2111 8088, Fax +85 2 2111 8087 s Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
www.macom.com
AMP and Connecting at a Higher Level are trademarks. The preliminary specifications data sheet contains typical electrical specifications which may change prior to final introduction.


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