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

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Компоненты Описание

производитель

UPC1830GT

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

NEC => Renesas Technology 

Pin No.

Pin name

6

fV 50/60

switch

7

Power supply

(synchronous

section)

8

Color killer

output

9

Blanking pulse

output

10 HD pulse

output

11 VD pulse

output

12 Y output

13 R-Y output

14 B-Y output

15 GND (video

section)

6

µPC1830

Equivalent circuit

VCC

5 kΩ

6

20 µA

Function descriptions

Vertical frequency (fV) switch pin.

When the pin voltage is 2.2 V or

less, the vertical frequency

changes to 50 Hz; when 2.8 V or

more, to 60 Hz.

Synchronous section power supply.

VCC

8

9

10

11

40 kΩ

500 Ω

1 kΩ

500 Ω

Color killer output pin.

Horizontal blanking pulse output

pin.

HD pulse output pin

VD pulse output pin.

VCC

12

13

14

2 mA

50 Ω

Y signal is output.

DC level is approx. 2.0 V.

Decoder R-Y and B-Y color

difference signal output pins.

DC level is approx. 2.5 V.

Video section ground.

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