This circuit was found in Ferranti's 1974 transistor manual. The transistors are from the period and the frequencies generated are between 50 Hz and 2 kHz.
This simple 741 circuit was found in the August 1993 Electronics Now magazine. The source must be...
Found in Popular Electronics, this sophisticated short-wave receiver requires a lot of skill from...
This sequencer allows the use of switches or sensors to generate the steps of a bipolar stepper...