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.
Circuits similar to this appear elsewhere in this section. The transistors can be BC549 (low...
Indicated to be used at the sensor input of a PC, this circuit was found in an English...
July 2017 - Mouser Electronics announced the availability of Littelfuse's GEN2 series Schottky...