CD22402
Timing Waveforms (Continued)
0
2
4
6
8
10
12
28
32
MICROSECONDS
500kHz
OSC. PIN 2 OR 6
12µs
MIXED BLANKING
PIN 13
4µs
HORIZ. DRIVE PIN 4
CATHODE
BLANKING
PIN 7
8µs
2µs
HORIZ. CLAMP
PIN 11
4µs
H. SYNC
2µs
2µs
MIXED SYNC
PIN 5
EQUALIZING
PULSE
26µs
V. SYNC
4µs
FIGURE 4. SYNC GENERATOR TIMING - 625/50Hz, HORIZONTAL TIMING WAVEFORMS
VERTICAL RESET
TO FIRST
VERTICAL PULSE
VERTICAL RESET TO
FIRST EQUALIZING
PULSE
0
1
2
3
4
5
6
7
8
9
10
21
LINE NO
MIXED SYNC
PIN 5
0.57ms
VERT. DRIVE
PIN 9
VERTICAL
PROCESSING
BLANKING
PIN 17
1.36ms
WIDE BLANKING
PIN 13
0.194ms
SHORT VERTICAL
DRIVE PIN 16
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
8-46
HARRIS [ HARRIS CORPORATION ]
