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PDF TA7371AF Data sheet ( Hoja de datos )
| Número de pieza | TA7371AF | |
| Descripción | FM FRONT-END (1.5V USE) | |
| Fabricantes | Toshiba Semiconductor | |
| Logotipo |  |
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TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic
TA7371AF
FM Front−End (1.5V USE)
TA7371AF
The TA7371AF is an FM front end IC designed for low voltage
operation (1.5V), which is suitable for stereo headphone radio or
radio cassette.
This IC contains RF amplifier, MIX, local oscillator and varactor
diode for AFC.
It simplifies the design of front end circuit.
Features
· Clamping diode for mixer output.
· Varactor diode for AFC.
· Local OSC. stop voltage: VCC = 0.85V (typ.)
· Low quiescent current
ICC = 1.8mA (typ.) (VCC = 1.5V, Ta = 25°C)
· Low noise.
· Very few external parts.
· Operating supply voltage range.: VCC = 0.95~5V (Ta = 25°C)
Weight: 0.08g (typ.)
Block Diagram
1 2002-10-30
1 page  
Input / Output Impedance Test Circuit
Input / output impedance and AFC diode capacity test circuit
(1)
(6)
TA7371AF
(8)
Coil Data For Test Circuit (lower side heterodyne type)
Coil Name
L1
RF
L2
OSC
T1
IFT
T2
QUAD
fo Qo Turn
100MHz
100MHz
10.7MHz
85
(1)-(3)
1
3
4
T
100
(1)-(3)
2
1
4
T
115
(1)-(3) 12T
(4)-(6) 1T
10.7MHz 150 (4)-(6) 14T
Capacitance
Comment
82pF
(external)
24pF
(external)
75pF
47pF
Bobbin with ferrite core
f0.5mm UEW
Bobbin with ferrite core
f0.5mm UEW
SUMIDA ELECTRIC Co. LTD.
0133-309-048
SUMIDA ELECTRIC Co. LTD.
44M-037-933A
RF BPF SOSHIN ELECTRIC Co. LTD.
IF BPF MURATA ELECTRIC Co. LTD.
BPW B6A
SFE 10.7 MA5
5 2002-10-30
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet TA7371AF.PDF ] | |
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