This circuit was found in February 1976, Radio Electronics magazine. The circuit is quite sophisticated using a fast-acting (thermometric) sensor and analog indicator.
This circuit amplifies the signals in the UHF band starting at 470 MHz, reaching just over 900...
Using a 106 series SCR, this circuit was found in the May 1971 Radio Electronics magazine. The...
We found this configuration in the Linear Applications Handbook of the National Semiconductor of...