TB1231CN - PAL/NTSC IF+VCD PROCESSOR
TOSHIBA TOSHIBA Bi-CMOS INTEGRATED CIRCUIT SILICON MONOLITHIC TB1231CN TB1231CN PAL/ NTSC 1CHIP (IF+ VCD PROCESSOR) IC TB1231CN is the IF & Video processing IC for PAL/NTSC color TV system.
This IC demodulates PAL/ NTSC PIF, SIF and composite video signal to RIG I B primary colors and Audio signals.
This IC can constitute Multi-Color System by combined with TA1275AZ (SECAM Processor).
TB1231CN has the analog RIGIB interface, therefore it is easy to make up PIP system by using this IC.
Because
TB1231CN Features
* IF stage
* lntercarrier Input
* Double Time Constant IF AGC
* Bus Controlled RF AGC
* Bus Controlled PIF VCO
* L-SECAM Demodulation
* PLL SIF Demodulation (For 4.5-6.5MHz multi-SIF, Thank coil-less) Video stage
* Built-in Video Switch (2 Inputs
