This circuit is from the 1992 Radio Electronics Handbook. The components used are from the period, with emphasis on the 2-digit display driver.
This transistor amplifier from the 1950s had gain of 10. The circuit is from Radio Electronics, from the...
This was a very popular instrument in the workshops of the 60s and 70s. It was a "top of the line"...
An excellent low frequency sine signal is produced by this oscillator. The frequency is determined by the...