We found this micro amplifier in a technical documentation from National Semiconductor. The circuit can be used on an experimental phone, being powered even by alternative power sources.
This simple speed control for 3 to 15 V motors uses a common power transistor. The circuit was...
The quadrature oscillator is another type of phase shift oscillator, where each of the three...
) The integrated circuit used is uncommon today. The circuit is suggested by Motorola's Linear...