Transistorized multimeter (CB7355E)

This circuit is from a 1967 Triplett manual. The circuit uses components of the time, the common FET and the general-purpose bipolar transistor.

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AC Analog Voltmeter (CB14966E)
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Programmable Gain Operational (CB18630E)
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Sine Wave Oscillator Using an lnverter ll (CIR098E)
Figure bellow shows another configuratíon for a Iow-frequency sine wave oscillator using CMOS...