The gain of this amplifier is given by the components indicated in the formulas next to the diagram. The power supply must be symmetrical and equivalent operational amplifiers can be used.
This circuit was found in a 1964 Electronic Design. The circuit delays the firing of a load for a...
XTAL from 4 to 20 MHz can be used in this oscillator. The XRF choke can range from 10 to 100 µH...
This 5 W power circuit with just two transistors was published in Radio Electronics magazine in...