Viscount C-440 Manual page 32

Uli!2-U108
l-o-o-1
DIGITAL VOICE MODULE BLOCK DIAGRAM
l.J318-U317
Ul03
UU¥1
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r---->1
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MIX
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I.J205-U208
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20-BIT
ADDER
U302-u306
21-BIT
D/A CONVERTER
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DIFFERENTIAL
OUTPUT BUFFERS
HC2 83
U311-IJ312
(5) HC4051
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l.J310
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81C4256
256Kx4
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IJII37-tJit38
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27C010
128Kx8
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SCC2692
SCI
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TEST
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CONFIG
STATUS
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