AK8825 Datasheet, PDF (88/162 Pages) Asahi Kasei Microsystems – HD/SD Multi Format Video Encoder with 3ch DAC

(2-2) 625i Frame Configuration and signal waveform
[AK8825]
0.5H
623
624
625
1
2
3
4
5
6
0.5H
310
311
312
313
314
315
316
317
318
319
320
Fig. 125
G
I
I
H
I
I
Equalizing Pulse
Serration Pulse
Fig. 126 Equalizing Pulse と Serration Pulse
300mV
Symbol
Measurement
point
Value
G Pre-equalizing pulse width
50%
2.35
H Vertical serration pulse width
50%
4.7
G Post-equalizing pulse width
50%
2.35
I
Sync rise time
200
* There is case where tolerance of Sync rise time is added to Pulse width tolerance.
Recommended
tolerance
+/- 0.1
+/- 0.2
+/- 0.1
MAX300
units
usec
usec
usec
nsec
Rev-E-00
88
2008/03