Using the NE5205 integrated circuit this circuit was found in the May 1987 issue of Radio Electronics magazine. It can amplify signals up to 450MHz.
The integrated circuit of this 80's project is not common today. This is the HA2530 which must be...
This circuit is from a 1992 PE Hobbyst Handbook. The circuit fires an old electronic flash using an...
This complementary transistor stage was found in a 1968 publication. The transistors are germanium types and...