We found this circuit in an old English documentation. Transistors support modern equivalents. The circuit converts signals in the 5 to 15 MHz band for tuning into a common medium wave radio.
With this circuit it is possible to activate a 12 V relay from a 6 V supply. The circuit operates as a...
This circuit is from a 1980s Motorola documentation. The circuit can be set to fire from 60 to 120...
This circuit is from a project published in the March 1996 Electronics Now magazine. The author used...