UTC UTCTA2003 Datasheet
UTC TA2003 LINEAR INTEGRATED CIRCUIT
AM/FM RADIO IC
DESCRIPTION
The UTC TA2003 is AM/FM Radio IC ( FM F/E +
AM/FM IF ) which is designed for AM/FM Radios.
FEATURES
* FM IFT,AM IFT and FM Detector Coil aren’ t needed.
* Operating Supply Voltage Range
* VCC( opr ) = 1.8 ~ 7V ( Ta=25°C).
BLOCK DIAGRAM
AM
FM
15 14 13 12 11 10 916
AM
RF
IN
AM
RF
FM
RF
RF IN
2 3 4 5 6 7 81
FM
RF
OUT
GND1FM
AM/
FM
SW
FM/AM
SW
FM
MIXAMMIX
FM
MIX
FM
OSCAMOSC
FM
OSCAMOSC
AM
MIX
AM
DET
AGC
AGC Vcc AM
DET
OUT
QUAD GND2
FM
DET
AM
IF
IF INFMIF IN
SOP-16
DIP-16
Vcc
FM
IF
BPF
UTC UNISONIC TECHNOLOGIES CO., LTD.
QW-R110-011,A
1
UTC TA2003 LINEAR INTEGRATED CIRCUIT
50pf
50pf
50pf
50pf
50pf
50pf
EXPLANATION OF TERMINAL
TERMINAL VOLTAGE : Typical DC voltage at Ta=25°C, Vcc=3V and no signal with Test Circuit
NO SYMBOL CONTENTS INTERNAL
CIRCUIT
FM RF OUT
GND
15
1
1K
2
1 FM AF IN Input of FM RF Amplifier
TERMINAL VOLTAGE
AM FM
0 0.7
2 GND1 GND for RF, DSC and MIX Stage - 0 0
3 FM MIX Output of FM MIX
FM RF OUT
GND
GND
GND
GND
1
2
1
2
1
2
1
2
15
FM RF OUT
15
FM RF OUT
15
FM RF OUT
15
1K
1K
1K
1K
4 AM MIX Output of AM MIX
5 AGC By pass of AM AGC
6 Vcc - - 3.0 3.0
7 AM IF IN Input of AM IF Amplifier
8 FM IF IN Input of FM IF Amplifier
AM / FM
SW
GND1
14
0.4 1.7
3
2
0.6 0
0 0
3.0 3.0
3.0 3.0
9 GND2 GND for IF stage - 0 0
FM QUAD Detector
Ceramic Discriminator is
10 QUAD
connected.
Recommendation
FM RF OUT
15
1
1K
GND
2
2.5 2.2
CDA 10.7MG31 (MURATA
MFG. CO., LTD)
UTC UNISONIC TECHNOLOGIES CO., LTD.
QW-R110-011,A
2
Loading...