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CXA1191-S28-R View Datasheet(PDF) - Unisonic Technologies

Part NameDescriptionManufacturer
CXA1191-S28-R FM/AM Radio UTC
Unisonic Technologies UTC
CXA1191-S28-R Datasheet PDF : 7 Pages
1 2 3 4 5 6 7
CXA1191
„ PIN CONFIGURATIONS(Cont.)
PIN
DESCRIPTION
SYMBOL
LINEAR INTEGRATED CIRCUIT
VOLTAGE(V)
VCC=3V
VCC=6V
FM AM FM AM
EQUIVALENT CIRCUIT
IF output pin of FM and AM, FM/AM
14 Connect IF filter
FE OUT 0.36 0.2 0.36 0.2
FM and AM bands selection
switch pin.
BAND
15 During GND it becomes AM
and during open it becomes
SELECT
0.84
0
0.88
0
FM.
16 Input pin of AM IF
AM IF IN
0
0
0
0
Vcc
10K
15
GND
16
2K
17 Input pin of FM IF
FM IF IN 0.34
0
0.88
0
18
19
Meter drive circuit
(For tuning indicator)
NC
0
0
0
0
1.25V
METER 1.6 1.6 4.5 4.5
20
AFC pin of W band.
21 During AM, it determines
time constant of AGC.
AFC pin of J band.
22 During AM, it determines
time constant of AGC.
23 Detection output pin
24 Power amplifier input pin
GND
0
0
0
0
22
AFC/AGC 1.25 1.49 1.25 1.49
AFC/AGC 1.25 1.25 1.25 1.25
DET OUT 1.25 1.0 1.25 1.0
11K
24
AF IN
0
0
0
0
19
N
GND
21
GND
GND
25 Ripple filter
RIPPLE
FILTER 2.71 2.71 5.4
5.4
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 7
QW- R110-014.B
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