The circuit shown was found in Intersil documentation from the 90s. The formula allows to calculate the voltage obtained as a function of the values of the resistors.
This 8 ohm output amplifier was found in a 1968 Motorola publication. The circuit uses transistors...
This reflex receiver was obtained from a 1963 documentation. The transistors are germanium, and...
This amplifier stage was equipped with a Motorola radio from the 70s. The transistors were from...