DESCRIPTION

The STV2180Ais an integrated base band chroma delay line with one line delay, which has been designed to match chroma decoders with colour difference signal outputs (R-Y) and (B-Y).

■ DUAL SWITCHED CAPACITOR DELAY LINE

■ 3MHz CLOCK DERIVED FROM 6MHz VCO LOCKED BY THE BURST GATE PULSE

■ SAMPLE AND HOLD CIRCUITS AND LOWPASS FILTERS TO SUPPRESS THE 3MHz CLOCK RESIDUAL

■ CLAMPED B-Y AND R-Y INPUTS

■ OUTPUT BUFFERS

■ ADJUSTMENT-FREE APPLICATION

■ DIP14 PACKAGE