This circuit makes use of a 741 single source operational amplifier to measure resistors on a linear scale. The circuit may use as an indicator a common multimeter on a low current range.
Placed near a common receiver, this oscillator is intended to generate a beating signal to receive...
CMOS integrated circuits are sensitive to supply voltages in terms of signal propagation time....
Found in a radio amateur magazine of the 1980s, this circuit uses components that can still be...