MC44140 - Chroma Delay Line

Product Overview

Motorola

Datasheet Details

Part number	MC44140
Manufacturer	Motorola
File Size	115.36 KB
Description	Chroma Delay Line
Datasheet	MC44140 Datasheet
Additional preview pages of the MC44140 datasheet.

Product details

Description

Pin 2 3 1 5 4 Symbol VDD VSS CK SS SC Positive supply voltage. level signal supplied by MC440XX to indicate whether color difference signals are PAL, NTSC, SECAM, or EXTERNAL. level signal supplied by MC440XX.

Features

by CL1 at pin 15. The direct path signal is clamped by the other CL1 switch to the dc level of the delayed path (including any offsets) to ensure there is no difference in clamping level between the two paths. During the period “SECAM 1”, the B.
Y signal is present and this is clamped to the delayed path dc level. Switch SECAM 1 is closed during this time and so the direct signal passes straight to the output. During the next line period (SECAM 2) there is no direct path signal; now switc.

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Published: Feb 26, 2007 |