This circuit is from the 1990 Motorola Linear Databook, which can be developed with more modern equivalent operating systems. The 1 uF capacitor should be of good quality polyester with small leaks
This circuit was published in a recent magazine as a past project. It is a crystal radio from...
We found this circuit in the National Semiconductor's Linear Applications Handbook of 1994. The...
This powerful motor control was found in a Philips publication from 1970. The components are from...