This circuit was found in a 1970s documentation. The components are from that time, and semiconductors are difficult to obtain today.
This circuit was found in the 1967 RCA SCR manual. The circuit generates approximately 300 V at a...
Once turned on, this circuit causes an LED to remain lit for approximately 30 minutes. Larger...
The circuit shown was found in the National Semiconductor's Linear Applications Handbook of 1994....