This old fashioned transistor amplifier was found in a publication of the year 1958. Transformer are the critical components in the circuit and power comes from 6 D cells.
This 80's circuit uses an integrated amplifier of the era, but nothing prevents it from being...
This circuit produces horizontal lines or bars in a analog TV tuned between channels 2 and 5. L1...
This circuit can be used to add a delay to a logic signal as shown by the input and output...