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Part Name
Description
CXA1991 View Datasheet(PDF) - Sony Semiconductor
Part Name
Description
Manufacturer
CXA1991
FM Pager/FM Multiplex Tuner
Sony Semiconductor
CXA1991 Datasheet PDF : 12 Pages
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Pin
Pin voltage (V)
Symbol
No.
FM AM
8 BS
Equivalent circuit
160k
8
550k
CXA1991N
Description
Controls battery save via
microcomputer.
High = Active, Low = Save
10 AFC
1.0 0.7
10
200k
13 FM OSC 1.1 1.1
AFC varicap pin.
REG
13
FM local oscillation circuit.
11 TUNE
1.1 1.1
11
REG
12 AM OSC 1.1 1.1
12
V
CC
AM/FM tuning indicator drive
circuit.
AM local oscillation circuit.
14 REG
1.1 1.1
V
CC
14
Regulator output pin.
—3—
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