This 1 to 40 MHz amplifier is from a 1969 Motorola documentation. The components are of the time but admit modern equivalents.
This charger sources currents in three ranges: 10 mA, 25 mA and 50 mA; Current is sellected...
This circuit was found in a 1980s document. The integrated circuit is from the time and the power...
This TTL siren is formed by two oscillators using each two Gates of a 7400. Frequency or the...