Antenna Amplifier (CB26118E)

This circuit for analog VHF televisions was found in the 1989 Radio Electronics Experimenter magazine. It also works for FM receivers.

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Voltage Indicator (CB16366E)
An integrated circuit 741 (operational amplifier is the basis of this voltage indicator, which can also...
Direct Read Inductance Meter (CB12437E)
This circuit converts inductances on two scales into voltages. The circuit was obtained from a...
Common Gate FET Stage (CB4685E)
This field effect transistor amplifier circuit in common gate or common port configuration is from an old...