Found in a publication for radio amateurs from the 1980s, this circuit amplifies signals in the 60 kHz band (VLF), Winding data from the ferrite antenna are provided along with the diagram.
April 2017 - Texas Instruments' new high-precision TMP468 sensor can now be obtained from Mouser...
We found this circuit in the September 1971 Radio Electronics magazine. The SCR can be any of the...
This 80's circuit uses germanium transistors like the AC125, AC151, AC163, 2N506 and others to...