Section II. DESCRIPTION AND DATA - TM-32-5865-061-24-P0016

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)