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 modulated light transmitter was found in a 90s Popular Electronics. In place of the lamp with...
This precision circuit, which also functions as a bridge, was found in a February 1967 Popular...
Other series amplifiers such as the MC3301, MC3401 and LM2900 can be used on this circuit. We found...