Continued from preceding page.
Pin No.
Function
LA1784M
Description
Equivalent circuit
VCC
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.
3.3 kΩ
3.3 kΩ
15
0.015 µF
16
0.015 µF
A11718
VCC
20 kΩ
10 kΩ
6.7 kΩ
17
18
0.01 µF 100 kΩ
VCC
A11719
A11719
Pin 18 is the output pin for the
18
Pilot canceller signal output
pilot canceller signal.
1.5 kΩ
17
18
0.01 µF 100 kΩ
A11720
Continued on next page.
No. 6039-8/50