Found in a 1968 Motorola publication, this circuit generates a high-powered audio tone when triggered. Equivalent transistors can be used.
This circuit is from Signetics' 80s documentation. The circuit generates 100 kHz signals according...
This circuit with current up to 100 mA according to the transformer was found in the Radio...
Mouser Electronics has in stock the MUSBR robust connectors for USB 30 applications from Amphenol. These...