This circuit is from an Electronics World of 1968. The transistors are of the time and the power is supplied with a voltage of 40 V. The circuit is high fidelity.
This circuit was obtained from a 2005 Linear Technology application manual. The circuit is...
This is the normal configuration for dividing a TTL signal by 7. The 7490 can divide by other...
This circuit, which applies to configurations with triacs of the TIC series, was found in a...