This circuit was found in Motorola documentation from 1969. The transistors are from that time. The pulses are 200 ns with 500 mA. Observe the high supply voltage.
The figure shows how to use the LM3914 bargraph with expanded scale. The circuit has two...
This receiver activates a relay from signals emitted by a 27 MHz modulated transmitter as...
The transistor in this circuit can be replaced with any general-purpose equivalent. The time...