We found this measurement circuit with a logarithmic scale in an Electronics Now from November 1995. The circuit uses an integrated component from that time.
This circuit is from a 1966 Motorola Field Effect Transistors Manual. The circuit makes use of...
We find this circuit measuring from 1 to 1000 mW of power from small transmitters and oscillators in...
This traditional stable configuration with the TTL 7400 integrated circuit was obtained in a...