Created to serve as a booster for TV signals in the UHF band, this circuit was found in the March 192 Radio Electronics magazine. Assembly is critical, requiring a special board layout.
This simple 555 component tester was found in the November 1992 issue of Radio Electronics...
The basic idea of this 1998 documentation project is to use the channel selector of an old analog...
This circuit, found in a publication of the year 1968, uses a MOSFET at the input to increase...