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参数资料
| 型号： | TA8703S |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PSIP12 |
| 封装： | 1.78 MM PITCH, PLASTIC, SSIP-12 |
| 文件页数： | 5/11页 |
| 文件大小： | 269K |
| 代理商： | TA8703S |
TA8703S
2001-02-07 3/11
PIN
No.
PIN NAME
FUNCTION
INTERFACE CIRCUIT
7
8
AGC Filter
Terminal used to connect a CR filter for
AGC.
To accelerate AGC response, the CR filter
time constant is doubled. Connecting these
terminals to GND considerably reduces the
amplitude of the video output signal (pin 12
output signal). (Video mute is applied.)
9
10
Video Coil
Connects video signal detector coil.
11
AFT Coil
Connects the AFT coil.
When control current is supplied to pin 11 for
the AFT coil, the amount of current varies in
response to small differences between the
frequency of the control signal and that of
the coil resonant. The current is supplied to
the resistor and the amount of current is
converted to the amount of voltage.
The external circuit configuration is simple.
Just connect the AFT coil to the terminal.
Connecting a resistor of 5.1 k between pin
11 and the GND terminal switches to AFT
defeat mode (defeats the AFT function).
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