CDMA 900 MHz Diplexer/LNA
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.
V1.00
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.
Typical Electrical Specifications
1
, T
A
= +25C
Parameters
Units
Min.
Typ.
Max.
TX Path
Insertion Loss
dB
0.5
0.55
0.6
Return Loss
dB
15
18
22
Rejection at RX Band
dB
95
97
105
RX PATH
Gain
dB
12
13.5
15
Return Loss
dB
15
18
20
Noise Figure
dB
2.2
2.4
3.0
Input Third Order Intercept
dBm
+12
+13
+15
1dB Compression Point
dBm
+3.0
+3.5
+4
Power and Current
V, mA
5, 170
5, 180
5, 190
CDMA 900 MHz Diplexer/LNA
Preliminary Specifications
Functional Diagram
TX
Ant
RX
RX
LN A
FW D
FW D
DC & Alarm
D.C.
CDMA 900 MHz Diplexer/LNA
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.
V1.00
Absolute Maximum Ratings
1
Parameter
Absolute Maximum
Input Power
1
Operating Temperature
Storage Temperature
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
S11 & S21 vs. Frequency
RX Path
Rejections to 3 GHz
RX Path
Noise Figure & Gain
TX Path
Rejections to 3 GHz
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