参数资料
型号: TA8865BN
元件分类: 接收器
英文描述: AUDIO/VIDEO DEMODULATOR, PDIP36
封装: 0.500 INCH, 1.78 MM PITCH, SHRINK, PLASTIC, DIP-36
文件页数: 27/27页
文件大小: 571K
代理商: TA8865BN
TA8865BN
2001-02-21 9/27
PIN
No.
PIN NAME
FUNCTION
INTERFACE CIRCUIT
34
L / BG SECAM Adj
Switching between L and BG modes ; In L
mode, video output amplitude can be adjusted
by varying pin voltage between 3.5 and 6.5V.
35
Limiter Input RF
AGC Delay
Both limiter input pin and RF AGC delay level
adjustment pin ; Inputted signal is divided into
AC and DC components Internally. Standard
limiter input level is 110dBV ; RF AGC delay
level should be used to adjust tuner gain in
accordance with electric field strength.
36
RF AGC Output
RF AGC output pin (reverse type) ; To reduce
noise, insert capacitor between this pin and
GND.
If a resistor of 33k is connected to ground the
output gain is reduces by 6dB.
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