CD22402 View Datasheet(PDF) - Harris Semiconductor

Part Name

Description

Manufacturer

CD22402

Sync Generator for TV Applications and Video Processing Systems

Harris Semiconductor 

CD22402

Timing Waveforms (Continued)

MICROSECONDS

0

2

500kHz

OSC. PIN 2 OR 6

MIXED BLANKING

PIN 13

HORIZ. DRIVE PIN 4

CATHODE

BLANKING

PIN 7

HORIZ. CLAMP

PIN 11

H. SYNC

MIXED SYNC

PIN 5

EQUALIZING

PULSE

V. SYNC

4

6

8

10

12

12µs

4µs

8µs

2µs

4µs

2µs

26µs

28

32

2µs

4µs

FIGURE 4. SYNC GENERATOR TIMING - 625/50Hz, HORIZONTAL TIMING WAVEFORMS

VERTICAL RESET TO

FIRST EQUALIZING

PULSE

VERTICAL RESET

TO FIRST

VERTICAL PULSE

LINE NO

MIXED SYNC

PIN 5

0

1

2

3

4

5

6

7

8

9

10

21

VERT. DRIVE

PIN 9

VERTICAL

PROCESSING

BLANKING

PIN 17

WIDE BLANKING

PIN 13

SHORT VERTICAL

DRIVE PIN 16

0.57ms

1.36ms

0.194ms

CATHODE

BLANKING

PIN 7

FRAME SYNC

PIN 15

(ON ALTERNATE FIELDS)

2µs (NOT TO SCALE)

FIGURE 5. SYNC GENERATOR TIMING - 625/50Hz, VERTICAL TIMING WAVEFORMS

8-68

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