MMDS
MMDS
Transmitter: PL-12-1-28ND
Operation Manual
Copyright 2008, TRANSYSTEM, INC.
All rights reserved
TRANSYSTEM INC.
No.1-2 Li-Hsin Rd.I Science-Based
Industrial Park, Hsinchu, Taiwan
Tel:+886-3-5780393 Fax:+886-3-5784111
e-mail: sales@transystem.com.tw
website: www.transystem.com.tw
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TABLE OF CONTENTS
Chapter 1. General Information 4
1.1 Module Features and Specifications 4
Chapter 2. Installation 5
2.1 Step by Step Installation 5
2.2 Connection to the Power Inserter and Cable Modem 8
2.3 Waterproofing Connections 10
Chapter 3. Accessories 12
3.1 MMDS Antenna 12
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Chapter 1. General Information
1.1 Module Features and Specifications
Category Parameter Description
IF Input 12 ~ 42 MHz
RF Output 2500 ~ 2530 MHz
Gain 24 ± 2 dB
Output 1-dB Compression Point +24 dBm typical
Output Transmit Noise
-120 dBm/Hz typical
-118 dBm/Hzm ax
Output Spurious
@+22 dBm Tx output
-60 dBc
( in-band and out-band )
Output Power Blanking Threshold -45 dBm @ IF input
TX Switch Latency < 1.2 micro second
Upstream
Phase Noise
-84dBc/Hz @ 1KHz
-88 dBc/Hz @ 10 KHz
-96 dBc/Hz @ 100 KHz
LO Leakage at RF / IF ports -50 dBm Max.
LO Frequency
Downstream : 2278 MHz
Upstream : 2488MHz
LO Stability ± 10 KHz over temp.
General
Other feature:
1. lightning protection Ok
2. surge protection Ok
3. Transmitter sleep mode Ok
Note: Typical value @25℃, unless otherwise specified.