The circuit presented is a Japanese commercial radio for AM with 50 mW of output power, powered by 9 V. The circuit is from the 60s, having been found in documentation of the time.
The configuration shown can be applied to modern operational amplifierso with common power...
This circuit appeared in Radio Elecronics magazine in 1968. The operating circuit is a...
The circuit shown is from a September 1973 Radio Electronics. It reduces the full scale of a...