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Chapter 1. INTRODUCTION - TM-32-5865-061-24-P0015
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TM-32-5865-061-24-P Receiver Set R-2197/MLQ-34 Part Number 5051640-1NSN
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Table 1-1. Tabulated Data
TM
32-5865-061-24&P
Section II. DESCRIPTION AND DATA
1 - 8 . DESCRIPTION. A single Receiver Set is used in each AN/MLQ-34 system
providing physical and electrical support for four R-2144A/URR receivers. The
unit receives radio frequency and control signals from the AN/MLQ-34 system,
t r a n s f o r m s t h e R F i n t o I F a n d a u d i o s i g n a l s , a n d provides these signals to the
s y s t e m  f o r  d i s t r i b u t i o n .  A l s o p r o v i d e d a r e ; t h e system 5 MHz reference clock
signals, and the buffered first local oscillator (LO) output of each receiver.
For further description of the unit refer to TM 32-5865-060-10, System Operator's
Manual.
1 - 9 . T A B U L A T E D D A T A . Table 1-1 lists the technical characteristics of the
Receiver Set.
T a b u l a t e d Data
Specification
Characteristics
Signal Inputs
Data format as described in fi gure
S e r i a l RC Bus A, C o n t r o l Data
3-2
C l o c k and Strobe
250 kHz
Data Rate
D i f f e r e n t i a l Voltage Logic (Note)
Input Levels
R F Signal Input
20-500 MHz (Receiver R-2144A/URR)
50 ohms (Nominal)
3:1 (20-500 MHz)
VSWR
P u l s e Blanking Input
W h e n the receiver control word
Level/Function
external blank enable bit (bit 40) is
high (Logic 1), a Logic "1" (2.4 to
5.0V) signal will cause the receiver
to be blanked, a logic "0" (0 to 0.8V)
will cause the receiver to be
unblanked.
50 ohms (Nominal)

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