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TB1254AN
Bi-CMOS
TB1254AN
PAL/NTSC/SECAM 1 Chip (IF + VCD processor) IC
TB1254AN TV IC 。PIF、 SIF、、、。、 2 (TV/EXT) AV SW 。 TB1251 、TV ・ 。
IF
· · · · · · V IF SIF 4.5~6.5 MHz SIF 6.5 MHz (BP F 1 ) VCO L low : 5.55 g ()
VIDEO
· · Y (8 ) C trap ( )
CHROMA
· · · · · · · · 1 Xtal (3.58 MHz/4.43 MHz/M-PAL/N-PAL ) 1 H Cb/Cr BPF/TOF Fsc NTSC
TEXT
· AKB AKB on/off AKB/ACB AKB RGB ABL/ACL
· ·
1
2002-02-12
http://www.Datasheet4U.com
TB1254AN
· · · · H-VCO 4 Sync (HD + VD + gate pulse)
AV
· · (2 /1 ) (2 /1 )
2
2002-02-12
TB1254AN
TRAP
6.5 MHz BPF Dig GND
Cb in
Cr in
C in
Dig.