SAA4981 Ver la hoja de datos (PDF) - Philips Electronics

Número de pieza

componentes Descripción

Fabricante

SAA4981

Monolithic integrated 16 : 9 compressor

Philips Electronics 

Philips Semiconductors

Monolithic integrated 16 : 9 compressor

Preliminary specification

SAA4981

handbook, full pagewidth

HREF

1.5 µs

1.5 µs

64 µs

sampled video

(2)

(2)

(1)

6.3 µs

49 µs (used for compression)

52 µs

36.75 µs

side

panel

compressed video

(centre position)

side

panel

side

panel

compressed video

(right position)

compressed video

(left position)

side

panel

bypassed video

(bypass via the Line Memories)

bypassed video

(2)

(2)

(1)

(full bypass not through the Line Memories)

MHA278

(1) Nominal timing for a 52 µs active video signal to generate a centred compressed video signal.

(2) Worst case picture position for a 52 µs active video signal to generate no visible blanking between side panels and compressed video.

Fig.3 Horizontal timing.

1995 Oct 05

7

Share Link: