Medium Wave Transmitter (CB21736E)

Found in Popular Electronics of January/February 1969, this transmitter has a few meters range and can be used as a wireless microphone.

| Clique na imagem para ampliar |

Low Drift Sampling and Hold (CB5954E)
This low drift or offset circuit is from an 80's documentation. The configuration can be made with...
Magnetic Head Preamplifier (CB18898E)
This is a commercial circuit from a Japanese publication from 1972. The circuit uses a FET that...
Instrumentation Amplifier (CB12173E)
This instrumentation amplifier was obtained from Popular Electronics in 1993. The operational...