This RF amplifier step has a dynamic range of 140 dB and can amplify signals from 0.5 to 40 MHz. FET is old, but modern equivalents can be used.
With this circuit it is possible to compare the values of two capacitors in the range of 100pF to...
This is a circuit with a period component that consisted of a voltage reference. The circuit is...
In this receiver, the emitter-base junction of the transistor works as a detector. The transistor is a...