UTCCXA1191 Datasheet, PDF (5/7 Pages) Unisonic Technologies – FM/AM Radio (for radio-cassette tape recorders and headphone tape recorders.)

UTCCXA1191 LINEAR INTEGRATED CIRCUIT
19 METER
1.6 1.6 4.5 4.5
1.25V
Meter drive circuit
19 ^{(For tuning indicator)}
20 GND
21 AFC/AGC
22 AFC/AGC
23 DET OUT
24 AF IN
N
GND
0
0
0
0
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
0
0
0
0
11K
24
AFC pin of W band.
During AM, it determines
time constant of AGC.
AFC pin of J band.
During AM, it determines
21 time constant of AGC.
Detection output pin
GND
Power amplifier input pin
25 RIPPLE
FILTER
2.71 2.71 5.4 5.4
25
GND
Vcc Ripple filter
17K
73K
90K
26 Vcc
3.0 3.0 6.0 6.0
Power supply pin
28 GND
0
0
0
0
Power GND
*Note: The pin voltage of pin 6 during AM, it is the same pin voltage of pin22 (23) during J BAND and is the same
pin voltage of pin 21 (22) during W BAND.
UTC UNISONIC TECHNOLOGIES CO., LTD. ⁵