This signal amplifier for ATV in the 427 to 439 MHz band was found in a magazine 73 for radio amateurs of the 90's. The circuit is installed next to the antenna on the mast itself.
The simple speed control for DC motors shown in the figure can control loads up to 2 amps. The...
This logarithmic gain operating configuration was found in the June 1994 Electronics Now magazine. The...
General purpose, up to 8 A SCRs can be tested with this simple circuit. In special the circuit is...