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UTC TA7358P
FM FRONT-END
DESCRIPTION
LINEAR INTEGRATED CIRCUIT
The UTC TA7358P is designed for a FM front-end application, which is suitable to a portable radio or a radio types, supply cassette. Comparing with conventional radiation characteristics are improved.
voltage dependence, overload characteristics and spurious
FEATURES
*Excellent supply voltage dependence of local oscillator: oscillator stop Vcc=0.9V(typ) *Improved inter-modulation characteristics by double balanced type mixer circuit *Low spurious radiation *Wide operating voltage range( 1.6V to 6V)
SIP-9
BLOCK DIAGRAM
Vcc
To IF AMP.
3
4
6
9
Local Oscillator
Input
B.P.F
Buffer AMP.
8 7
1
RF AMP.
Mixer
Bias
REG
2
5
ABSOLUTE MAXIMUN RATINGS(Ta=25C)
PARAMETER
Supply Voltage Power Dissipation Operating Temperature Storage Temperature
SYMBOL
VCC PD Topr Tstg
VALUE
8 500 -25 ~ 75 -55 ~ 150
UNIT
V MW C C
UTC
UNISONIC TECHNOLOGIES CO., LTD.
1
QW-R110-005,A
UTC TA7358P
otherwise specified)
LINEAR INTEGRATED CIRCUIT
ELECTRONIC CHARACTERISTICS(Ta=25C, Vcc=5V, f=83MHz, fm=1kHz, f=22.5kHz, unless
PARAMETER
Quiescent Current -3dB Limiting Sensitivity Quiescent Sensitivity Conversion Gain Local OSC Voltage Pin 1 Parallel Input Resistance Impedance Parallel Output Resistance Pin 3 Parallel Input Resistance Impedance Parallel Output Resistance Pin 4 Parallel Input Resistance Impedance Parallel Output Resistance Pin 6 Parallel Input Resistance Impedance Parallel Output Resistance Local OSC Stop Voltage VSTOP 1 0.9 1.3 V Cip6 4.8 pF Rip6 3 f=10.7MHz 100 Cip4 3.3 pF Rip4 3 2.7 Cip3 2 pF Rip3 3 f=83MHz 25 Cip1 pF
SYMBOL
IQ VIN(lim) Qs(dB) Gc Vosc Rip1
TEST CIRCUIT
2 2 1 3
TEST CONDITIONS
VIN=0 -3dB
MIN
TYP
5.2 3 11 31
MAX
8 7
UNIT
mA dB dB dB
fosc=60MHz
90
165 57
220
mVrms
UTC
UNISONIC TECHNOLOGIES CO., LTD.
2
QW-R110-005,A
UTC TA7358P
TEST CIRCUIT 1
LINEAR INTEGRATED CIRCUIT
UTC TA7358P
1 2 3 4 5 6 7 8 9
20pF 62pF 0.01 F
VOSC
30k
T2
GND 0.01 F
fVCO
200
Vcc
TEST CIRCUIT 2
Vcc=5V
UTC TA7358P
1
1000pF
0.047 F 47k 0.01 F 0.01 F
100 F
2
3
4.7pF
4
5
6
7
8
9
T3 C.F.
Input
B.P.F BPW B5
T4 0.015 F
VOD
1 F V.V
15pF T2 15pF 0.01 F
FM SG ~ Zo=75
T1 22pF
16
15
14
13
12
11
10
9
UTC TA7640AP
100 F
Vcc
GND
1
2
3
4
5
6
7
8
GND
22 F
22 F
UTC
UNISONIC TECHNOLOGIES CO., LTD.
3
QW-R110-005,A
UTC TA7358P
TEST CIRCUIT 3
(a) Rip1
LINEAR INTEGRATED CIRCUIT
(b)
ROP3,COP3 Vcc
3
H RX METER L
1
6
Vcc
9 2
1000pF 0.01 F
UTC TA7358P
H RX METER L
3
6
9 2
1000pF 0.01 F
UTC TA7358P
0.01F
(c)
Rip4,Cip4
(d)
ROP6,COP6
3
RX METER H L
0.01F Vcc
5
5
4
6
3
RX METER H L 0.01F 1000pF
Vcc
9 2
1000pF 0.01F
6
9
UTC TA7358P
UTC TA7358P
TEST CIRCUIT COIL DATA
COIL
T1 RF COIL 100MHz 100 0.7mm,2.25T Center Tap
5.0mm
0.01F
5
5
2
0.01F
fo
Qo
TURNS
CAPACITANCE
15pF
7mm
T2 OSC COIL 100MHz 100 0.7mm,2.5T 15pF
7mm
5.0mm
T3 IFT 10.7MHz 115 (1) ~ (3) 2T (4) ~ (6) 1T 0.12mm T4 QUAD COIL 10.7MHz 150 (4) ~ (6) 14T 0.12mm 47pF 75pF
1 2 3
6 4
1 2 3
6 4
UTC
UNISONIC TECHNOLOGIES CO., LTD.
4
QW-R110-005,A
UTC TA7358P
LINEAR INTEGRATED CIRCUIT
UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
UTC
UNISONIC TECHNOLOGIES CO., LTD.
5
QW-R110-005,A

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