This circuit, which uses a quadruple comparator, was found in old American documentation. The response curve is shown next to the diagram and can be adjusted in the trimpots.
This 2003 circuit does not transport any passengers, it only synthesizes a sound almost identical to...
This circuit was obtained in an old European publication on FETs. The FET admits equivalent and...
The circuit we present is suggested by Linear Technologies (www.linear.com) and makes use of an...