Obtained in MIT documentation, this 4-stage circuit has high gain for small signals. The power supply sources 150 V.
This circuit was obtained from an American publication of 1982, but can be assembled with ease...
The noise comes from the PN junction of a common silicon diode. Since no gain is given by the...
August 2017 - Rectron's Schottky Barrier Diodes can now be obtained from Mouser Electronics. The...