Telex TR-1 Intercom System User Manual


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D/A
DSP
RECEIVER
TRANSMITTER
A/D
DE
EMPHASIS
EXPANDER
PRE
EMPHASIS
COMPRESSOR
SQUARING
AMP
LOW PASS
FILTER
RX
AUDIO
GATE
ELECTRET/
DYNAMIC
DETECT
TX
1
2 3
4
VOLUME
MIC
GAIN
Fig ure 1-2
TR-1 Block Diagram
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