Found in Motorola's 1968 power circuit manual, this circuit has a high input voltage and no information was given about the transformers as the original types are commercial at the time.
Other series amplifiers such as the MC3301, MC3401 and LM2900 can be used on this circuit. We...
The division by eight using the 4018 is made as shown here. It isn't necessary to use additional...
We found this circuit in a Popular Electronics of the 90s. The circuit still uses light bulbs, but...