This circuit is from a 90s Popular Electronics. It consists of a power source for bass amplifiers of common types at the time that used symmetrical power and separating filters.
The presented circuit measures currents and voltages with precision that depends on the tolerance of...
This circuit uses a feedback integrator. We found it in Ferranti's transistor manual from 1974....
This circuit is from the Motorola LinearDatabook of 1990. It shows how it uses the LF355, 356 and...