參數(shù)資料
型號(hào): TB1254N
廠商: Toshiba Corporation
英文描述: PAL / NTSC / SECAM 1CHIP (IF+VCD PROCESSOR) IC
中文描述: PAL / NTSC制式/ SECAM制式1CHIP(中頻光碟處理器)芯片
文件頁數(shù): 6/58頁
文件大?。?/td> 551K
代理商: TB1254N
Ver3.7
00/01/28
6
PIN NAME
FUNCTION
INTERFACE
24
V RAMP
A terminal to be connected with a capacitor to
generate the V.Ramp signal.
The V.Ramp amplitude is kept constant by
the V.AGC.
24
33
31
2
V AGC
200
25
V NFB
An input terminal for V saw-teeth signal
feedback.
If the DC voltage on this pin is less than 1.7V,
it blanks RGB output for V guard.
12.5k
25
33
31
2V
V GUARD
26
V OUT
An output terminal for the vertical driving
pulses.
26
33
31
200
30k
1k
V OUT read
0.5V
27
REF. R
A terminal to be connected with resistance to
stabilize internal current sources.
Connect 5.6 k 1% of resistance to GND.
27
33
1
31
6.8k
49k
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