Found in 1980s Electronics Design, this circuit covers 4 decades of frequencies with a unique control. A multi-turn trimpot is used for fine adjustment. The frequency range depends on C1.
This variable frequency oscillator generates signals that have a recurrence frequency determined by...
This differential amplifier, found in a 1964 Electronic Design, has a gain of 30. The setting can be...
The circuit shown enables dynamic diode testing with an oscilloscope. We found this configuration in a...