Video Multiplexer 16x1

Posted on Aug 24, 2012

The modular multiplexers described in this application note, take these, as well as other points, into consideration and provide an optimal solution for the video design engineer. The 16x1 circuits are realised using four Gennum GX434 or GX214, 4x1 crosspoint ICs and two CMOS logic control ICs.

Each GX434 or GX214 device, (IC1 through IC4) is a 4x1 video multiplexer having on-chip address decoding, and chip select logic. The unilateral signal path consists of emitter followers at the input and output with level shifting circuits in between.

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