We found this circuit in a Radio Electronics from October 1976. The components are still common, but the circuit applies to older car models with contact breaker ignition.
This circuit, which in our times would be called a shield, can also be used with other loads. The...
This circuit was found in a 90s Popular Electronics. It uses an LS3404 melody chip that has...
This circuit is ideal for recovering vinyl media with a linear response from the RIAA curve of the...