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 constant current source is from the LM11's own factory manual used in the application. The circuit is...
The purpose of this circuit is to detect whether a coil has shorted turns. The coil must be fitted...
This medium wave radio must use a high impedance piezoelectric, crystal or magnetic phone and the...