參數(shù)資料
型號： UPC1830GT
廠商： NEC Corp.
英文描述： FILTER-CONTAINING VIDEO CHROMA, SYNCHRONIZING SIGNAL PROCESSING LSI COMPATIBLE WITH NTSC/PAL SYSTEM
中文描述： 過濾含視頻色度，同步信號處理LSI兼容NTSC制式/ PAL制
文件頁數(shù)： 5/44頁
文件大?。?/td> 338K
代理商： UPC1830GT
μ
PC1830
5
4. PIN EQUIVALENT CIRCUIT DIAGRAMS
Pin No.
Pin name
Equivalent circuit
1
32 f
H
VCO filter
2
3
4
Horizontal AFC
filter
5
GND
(synchronous
section)
Function descriptions
Pins for connecting a 32 f
H
oscillation filter.
For resonator, use 500 kHz
ceramic resonator in both NTSC
and PAL modes. Bias of pin 1 is
supplied from pin 2 via an external
resistor between pins 1 and 2.
Pin for connecting filter of horizon-
tal AFC detector.
Synchronous section ground.
1
V
CC
2
V
CC
2.2 k
3.3
k
2.2 k
3
V
CC
1 mA
30
k
4
3
k
300
V
CC
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