dual-trace scope switch

Posted on Apr 15, 2012

The switcher output goes to the single vertical input of the scope, and a sync line from one of the inputs is taken to the scope's external-sync input. Frequency response of the input amplifiers is 300 kHz over the range of the gain controls.

dual-trace scope switch
Click here to download the full size of the above Circuit.

With the gain controls wide open so no attenuation of the signal takes place, the frequency response is up to 1 MHz.

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