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CXA1538S View Datasheet(PDF) - Sony Semiconductor

Part Name
Description
View to exact match
CXA1538S
Sony
Sony Semiconductor Sony
CXA1538S Datasheet PDF : 15 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
CXA1538M/N/S
Pin Description and Equivalent Circuit
Pin Voltage (V)
No.
Symbol
VCC=3 V VCC=6 V
FM AM FM AM
Equivalent circuit
Description
1 PLL LPF1
29 PLL LPF2
26k
0.97 0.97 0.97 0.97
29
MPX REG
26k
LPF for PLL
1
PILOT
2
DET LPF1
PILOT
3
DET LPF2
0.95 0.95 0.95 0.95
3
2
0.95 0.95 0.95 0.95
LPF’s C (1µF) for PILOT DET
inserted between pins 2 and 3
ST IND
4
1.6 1.6 4.5 4.5
VCO CHECK
MPX REG
6k
4
Stereo indicator drive circuit
and output for VCO check
VCO
5 Rch OUT
0.66 0.66 1.5 1.5
6 Lch OUT
7 VCC
0.66 0.66 1.5 1.5
3.0 3.0 6.0 6.0
Ripple
8
FILTER
2.7 2.7 4.0 4.0
9 AGC/AFC1 1.32 1.15 1.32 1.15
10 AGC/AFC2 1.15 1.47 1.15 1.47
5
6
17k
17k
8
140k
33k
9
22k 50k
3.25k
25k
10
Stereo Rch output pin
Stereo Lch output pin
Supply pin
Ripple filter
AFC pin in J band, determines time
constant of AGC in AM (depending on
external capacitor).
AFC pin in W band, determines time
constant of AGC in AM (depending
on external capacitor).
—2—
 

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