Slow scan circuit (CB7878E)

Found in a 1964 Electronic Design, this circuit is intended to serve as a time base for cardiac monitors. Transistors support equivalents.

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Digital Voltmeter (CB18145E)
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CMOS Amplifier +1 and -1 Gain (CB15751E)
The interesting circuit shown in the figure, can have its gain digitally controlled and present two...
Three Transistors MW Radio (CB12261E)
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