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CXA1691AM View Datasheet(PDF) - Sony Semiconductor

Part Name
Description
Manufacturer
CXA1691AM
Sony
Sony Semiconductor Sony
CXA1691AM Datasheet PDF : 11 Pages
1 2 3 4 5 6 7 8 9 10
CXA1691AM/AS
No.
Symbol
19 (20) METER
20 (21) GND
21 (22) AFC/AGC
22 (23) AFC/AGC
23 (24) DET OUT
Voltage (V)
VCC=3 V VCC=6 V
FM AM FM AM
1.6 1.6 4.5 4.5
Equivalent circuit
1.25V
19
×3
N
GND
Description
Meter drive circuit
(For tuning indicator)
0000
1.25 1.49 1.25 1.49
22
1.25 1.25 1.25 1.25
1.25 1.0 1.25 1.0
33k 39k
23
AFC pin of W band.
During AM, it determines
time constant of AGC
AFC pin of J band.
21 During AM, it determines
time constant of AGC.
GND
Detection output pin
24 (25) AF IN
0000
11k
24
×4 ×4
82k
Power amplifier input pin
GND
RIPPLE
25 (26)
FILTER
2.71 2.71 5.4 5.4
25
VCC
17k
Ripple filter
73k
90k
26 (27) VCC
28
GND
(29, 30)
3.0 3.0 6.0 6.0
0000
Power supply pin
Power GND
The pin voltage of pin 6 during AM, it is the same pin voltage of pin 22 (23) during J BAND and is the same
pin voltage of pin 21 (22) during W BAND.
—5—
 

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