From the receiving side of the circuit, the antenna was made of random wire coupled with the inductor L1 having a single turn while inductor L2 has 4 turns wound around a 35 mm film container. Both ...

The circuit replaces the old circuit that uses ZN414 with a newer MK414 IC but still integrates the same features. It features high quality audio, low current consumption, no alignment and complete ...

The author is head of sales and marketing for the Ampegon Group. TURGI, SWITZERLAND — There are many innovative ways the industry can use shortwave broadcasting to provide secure data transmission and ...

The author is president/CEO of World Christian Broadcasting. These are his remarks about shortwave broadcasting to the recent HFCC B11 Conference in Dallas. HFCC manages global databases of ...

[Mikrowave1] had a Unelco shortwave receiver as a kid. This was a typical simple radio for the 1960s using germanium and silicon transistors. It also had plug-in coils you had to insert into sockets ...

We’ll admit we haven’t heard of the AGS-38, it reminds us of the shortwave receivers of our youth, and it looks like many that were made “white label” by more established (and often Japanese) ...