UPC1830GT Просмотр технического описания (PDF) - NEC => Renesas Technology

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UPC1830GT

FILTER-CONTAINING VIDEO CHROMA, SYNCHRONIZING SIGNAL PROCESSING LSI COMPATIBLE WITH NTSC/PAL SYSTEM

NEC => Renesas Technology 

Pin No.

Pin name

31 fO adjustment

filter

Equivalent circuit

30 kΩ

500 Ω

VCC

31

µPC1830

Function descriptions

Pin for connecting filter of fO

automatic adjustment loop.

32 ACC filter

VCC

500 Ω

1 kΩ

VCC

5 kΩ

32

Pin for connecting filter of ACC

detector.

33 GND (chroma

section)

34 Separate

chroma input

VCC

30 kΩ

5 kΩ

34

80 µA

Chroma section ground.

Separate chroma signal input pin.

This pin also serves as a separate

and composite switch input pin. If

the pin voltage is set to 3.7 V or

more, composite input mode is

entered.

35 Power supply

(chroma

section)

10

Chroma section power supply.

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