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Unisonic Technologies

CXA-1191 Datasheet Preview

CXA-1191 Datasheet

FM/AM Radio

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UTCCXA1191 LINEAR INTEGRATED CIRCUIT
FM/AM Radio
DESCRIPTION
The UTC CXA1191 is a one-chip FM/AM radio IC designed
for radio-cassette tape recorders and headphone tape
recorders.
FEATURES
*Small number of peripheral components
*Low current consumption (Vcc=3V)
FM: lD=5.3mA (Typ.)
AM: lD=3.4mA (Typ.)
*Built-in FM/AM select switch
*Large current of AF amplifier
FUNCTIONS
FM section
RF amplifier, Mixer and OSC
(incorporating AFC variable capacitor)
IF amplifier
Quadrature detection
Tuning LED driver
AM section
RF amplifier, Mixer and OSC (with RF AGC)
IF amplifier (with IF AGC)
Detector
Tuning LED driver
AF section
Electronic volume control
FM muting
Structure
Bipolar silicon monolithic IC
ABSOLUTE MAXIMUM RATINGS(Ta=25°C)
PARAMETER
SYMBOL
Supply voltage
Vcc
Operating temperature
Topr
Storage temperature
Tstg
Allowable power dissipation
PD
SOP-28
DIP-28
VALUE
9
-10 ~ +60
-50 ~ +125
700 (SOP-28)
1000 (DIP-28)
UNIT
V
°C
°C
mW
UTC UNISONIC TECHNOLOGIES CO., LTD. 1




Unisonic Technologies

CXA-1191 Datasheet Preview

CXA-1191 Datasheet

FM/AM Radio

No Preview Available !

UTCCXA1191 LINEAR INTEGRATED CIRCUIT
RECOMMENDED OPERATING CONDITIONS
PARAMETER
SYMBOL
Supply voltage
Vcc
Vcc
VALUE
2 ~ 7.5 (SOP-28)
2 ~ 8.5 (DIP-28)
UNIT
V
V
BLOCK DIAGRAM
GND
28
AF
OUT
27
Vcc
26
RIPPLE
FILTER
25
AF
IN
24
DET
OUT
23
AFC
AQC
22
AFC
AQC
21
IF
END
METER
20 19
NC
18
FM
IF IN
17
AM
IF IN
16
FM/AM
BAND
SELECT
15
AF POWER AMP
AM IF DET AGC
AM FE
FM DISCRIMINATOR
FM FE
TUNING METER
FM IF
1
MUTE
2
FM
DISCRI
3
NF
4
VOL
5
AM
OSC
6
AFC
7
FM
OSC
8
RUG
OUT
9 10
FM AM
RF RF IN
11
NC
12
FW
RF IN
13
FM
GND
14
FM/AM
IF OUT
UTC UNISONIC TECHNOLOGIES CO., LTD. 2


Part Number CXA-1191
Description FM/AM Radio
Maker Unisonic Technologies
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Unisonic Technologies





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