This circuit is from a 1991 Hobbyst Handbok. The circuit uses a small 6V secondary transformer to operate on a miniature xenon lamp inverter.
Although the BD135 transistor is not specifically for RF applications, some of them can easily...
This transmitter for modulated radiation can be used as an optical data shield. The maximum...
This ultra-low noise circuit was found in the May 1990 issue of Radio Electronics magazine. The...