Suggested by Siliconix in documentation from the 90s, this amplifier has its gain digitally selected. The components are from that time, not easy to find today.
The circuit we use makes use of Linear Technology's LT3080 (www.linear.com) which consists of a...
This circuit is from Popular Electronics from the 90s. The integrated circuit is not very common...
This traditional triac power control circuit can control loads up to 1000 W. The triac must be...