Found in RCA documentation from the 90s, this circuit uses components from that time. CA3019 is uncommon today and can be replaced by discrete diodes.
This converter was found in the June 1991 issue of Radio Electronics magazine. The circuit uses...
This simple field strength meter was found in a 1970 publication. The zero-adjustment...
Found in Philips' 1968 documentation, this circuit serves as a 6.3 V reference for high stability. |...