This 1 to 40 MHz amplifier is from a 1969 Motorola documentation. The components are of the time but admit modern equivalents.
Found in a 1969 Electronics World, this circuit generates low frequency signals with two...
This circuit was obtained from a Popular Electronics of the 1990s. The circuit uses a temperature...
This stage was used in old audio ampliiers and radios from the 1950s and 1960s. It uses one of the...