Continued from preceding page.
Pin No.
Function
LA1780M
Description
Equivalent circuit
15
MPX output (left)
16
MPX output (right)
Deemphasis
50 µs: 0.015 µF
75 µs: 0.022 µF
Adjustment is required since the
pilot signal level varies with the
17
Pilot canceller signal output sample-to-sample variations in
the IF output level and other
parameters.
Pin 18 is the output pin for the
18
Pilot canceller signal output
pilot canceller signal.
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