This is a switch circuit using a digital multiplexer 4066 Ic, their keys are ES8 ES1 to 4066 and each contains four switches. When the channel is selected first, and ES1 ES2 ES3 are closed and open, which prevents cross-over between the two channels is the grounding of the channel is not in use.
The bandwidth of the multiplex circuit is about 8 MHz and the consumption is 1 mA. When the multiplexer circuit is connected to a load impedance of 75 Ω, the circuit will result in some loss of signal due to internal resistance of the keys. This can be compensated for by connecting an amplifier output.
The bandwidth of the multiplex circuit is about 8 MHz and the consumption is 1 mA. When the multiplexer circuit is connected to a load impedance of 75 Ω, the circuit will result in some loss of signal due to internal resistance of the keys. This can be compensated for by connecting an amplifier output.
Multiplexer Switch with 4066 Circuit Diagram
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