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CXA1191-S28-R Datasheet(PDF) 3 Page - Unisonic Technologies

Part # CXA1191-S28-R
Description  FM/AM Radio
PDF  7 Pages
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

CXA1191-S28-R Datasheet(HTML) 3 Page - Unisonic Technologies

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



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