This shortwave preselector was found in the July 1994 issue of Radio Electronics magazine. The circuit is suitable for telescopic antennas, matching the impedance with the receiver used.
Originally this 2000 circuit was designed to be a switch to the parallel port, but with 5 V or...
This circuit was obtained in an American publication of the time. Transistors are commonly used. The...
March 2017 - The new ERB-RD, ERB-RE and ERB-RG fuses from Panasonic's Micro Chip Fuses can now be...