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 intercom for the 27 MHz band was found in a recent English documentation, working with a...
This simple circuit allows you to control remote control servos that operate with pulses. The...
This circuit consists of a variation of the previous one being activated when the switch is...