TC90A53F Datasheet (Toshiba) - 3LINE DIGITAL Y/C SEPARATOR

TC90A53F, 3LINE DIGITAL Y/C SEPARATOR

OF FUNCTIONS (1) CLAMP (Input clamp) Circuit used to Sync tip clamp composite signal.

Apply feedback clamp so that at Y / C separation, the minimum data value after A / D conversion is the internally-fixed level.

(2) ADC (A / D converter) High-speed series-parallel 8-bit A / D converter (Dynamic Ran

TC90A53F Features

* TV format : NTSC (3.58)

* Dynamic comb filter

* Vertical edge enhancement circuit

* PLL 4 × multiplier circuit

* Internal 8-bit 4 fsc AD converter

* Internal 8-bit 4 fsc DA converter (2 ch)

* 1-line color dot interference reducer circuit

* Sync tip clamp circuit