LA70100M View Datasheet(PDF) - SANYO -> Panasonic

Part Name

Description

Manufacturer

LA70100M

SECAM Chroma-Signal Processor IC for VCR

SANYO -> Panasonic 

LA70100M

(Note 7) REC mode sync gate start time, release time (TRGB, TRGE) :

Input Copm. Sync to T29 and assume the sync gate start time (TRGB) as the time from which the signal at T12

attenuates until the signal at T29 rises and assume the sync gate release time (TRGE) as the time from which the

horizontal sync signal rises till the signal at T12 increases (Fig. 2).

T29 (C.SYNC)

T12

TRGB

TRGE

64µs

Fig.2 REC mode sync gate timing

(Note 9) PB mode sync gate start time, release time (TRGB, TPGE) :

Input Comp.sync to T29 and assume the sync gate start time (TRGB) as the time from which the siganl at T18

attenuates until the horizontal sync signal rises and assume the sync gate release time (TPGE) as the time from which

the horizontal sync signal rises until the signal at T18 starts increasing.

T29 (C.SYNC)

TPGB

T18 (PB-OUT)

TPGE

64µs

Fig.3 PB mode sync gate timing

(Note 10) BGP start time, BGP width (Fig. 4) T9=5V (TEST MODE)

T29 (C.SYNC)

T28 (BGP-OUT)

TBGB

1V

Fig.4 BGP timing

TBGW

No.7204-5/16

Share Link: