參數(shù)資料
型號: 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): 11/58頁
文件大小: 551K
代理商: TB1254N
Ver3.7
00/01/28
11
PIN NAME
FUNCTION
INTERFACE
48
TV IN
An input terminal for TV video signal.
(input level 1Vp-p / 140 IRE)
48
19
14
2V
1k
2
1k
49
De-Emphasis
Mon-OUT
A terminal to De-Emphasis Audio signal, and
pick up detected Audio signal. Connect
capacitor (0.01
F to GND.
The time constant 50/75us is set by the
IICBUS control “SIF Freq”.
Remove the capacitor in case of use US/JPN
sound multiplex system.
49
5
14
15k 7.5k 500
50
51
PIF TANK
Terminals to connect a PIF tank coil.
The tank coil should be pre-set up within +/-
2% for the automatic tuning. Manual tuning is
also available..
The resonance capacitance of the tank
should be 18pF.
50
5
1
51
52
DC NF
A terminal for connect the capacitor for DC
NF.
52
5
14
2k 10k
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