參數(shù)資料
型號(hào): XA1619
廠商: Sony Corporation
英文描述: FM/AM Radio
中文描述: 調(diào)頻/調(diào)幅收音機(jī)
文件頁數(shù): 5/11頁
文件大?。?/td> 198K
代理商: XA1619
—5—
CXA1619BM/BS
Voltage (V)
V
CC
=3 V V
CC
=6 V
FM AM FM AM
No.
Symbol
Equivalent circuit
Description
19 (20)
20 (21)
21 (22)
22 (23)
23 (24)
24 (25)
25 (26)
26 (27)
28
(29, 30)
METER
GND
AFC/AGC
AFC/AGC
DET OUT
AF IN
RIPPLE
FILTER
V
CC
GND
1.6 1.6 4.5 4.5
0
0
0
0
1.25 1.49 1.25 1.49
1.25 1.25 1.25 1.25
1.25 1.0 1.25 1.0
0
0
0
0
2.71 2.71 5.4 5.4
3.0 3.0 6.0 6.0
0
0
0
0
GND
19
×
3
N
1.25V
22
21
23
33k
39k
GND
24
11k
×
4
×
4
82k
GND
25
17k
73k
90k
V
CC
Meter drive circuit
(For tuning indicator)
AFC pin of W band.
During AM, it determines
time constant of AGC
AFC pin of J band.
During AM, it determines
time constant of AGC.
Detection output pin
Power amplifier input pin
Ripple filter
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.
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