Found in a 90s R-E Experimenters Handbook, this circuit amplifies signals from 100 Hz to 3 MHz. The circuit has a gain of approximately 30 dB. Bipolar transistors are general-purpose types.
This circuit generates a pulse of duration determined by the capacitor when an object interrupts the...
This inverter circuit was found in a Radio Electronics. It shows the basic configuration of a...
This was a very popular instrument in the workshops of the 60s and 70s. It was a "top of the line"...