This broadband amplifier was found in an Elektor from the 90's. The gain is 10 dB with a noise figure of less than 5 dB.
This circuit has been found in older telecommunications documentation. The circuit switches off after...
This circuit, extensively explored in this section and in circuits on this site, is recommended to...
This circuit was obtained in a Popular Electronics of the 90s. It warns when the indicator lamp is...