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Single oscilloscope display device circuit

2016-12-18 05:02  
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Single oscilloscope display device circuit
This display device uses the singleline oscilloscope to display the 4-channel continuous signal to compare the time relationship of different signals. CC4017 is the oscillator and counter, it forms the 4 beats circuit and controls 4 pairs of analog form to connect them in turn. You can add the adjustable DC level and the one channel signal to each pair of analog switch, the signal will be mixed by the adder which is composed of the operational amplifier, and issent to the Y-axis of oscilloscope. Because the signals correspond to the different DC levels, so the oscilloscope can separate the 4 channels of signals.