Using the EL4342 and ISL59446 Triple Video MUX-Amps as A/V Source Selectors Using the EL4342 and ISL59446 Triple Video MUX-Amps as A/V Source Selectors Application Note July 14, 2006 AN1249.0 Overview gain of 1 would be a suitable choice. If the application requires 75 back-terminated cable driving at the output, or The increasing number of A/V sources (VCR, DVD, set top the input, the ISL59446 with it’s i……