TB1253AN
Bi-
CMOS
TB1253AN
NTSC 1 Chip (IF + VCD processor) IC
TB1253AN EW NTSC TV IC PIF SIF V
IF
• • • • • FM AFT PIF VCO ( ) : 5.
55 g ( )
VIDEO
• • • • • Video SW CCD MCU C-Trap DL-
CHROMA
• • • BPF Fsc ( )
TEXT
• • • • • ACB Ys/Ym (BUS ) RGB YCbCr/YUV
• • • • •
H-VCO 2AFC H/V EW ( H )
1
2002-11-14
TB1253AN
FBP IN/GP OUT IF VCC (9 V) Black Det Filter Y Clamp Filter APL Det Filter 4.
5 MHz TRAP DC NF Filter HVCO Adj De-Emph : Controlled by I2C Bus CVBS Ext IN H AFC Filter
CVBS Int IN
IF Det OUT
Loop Filter
H VCC (9 V)
CVBS OUT
Sync OUT
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40 6dB
39
38
37
36
35
34
33
32
31
30
Dig VDD 29 27 28 IK IN
H ...