We found this antenna amplifier or Booster circuit in an Electronics Now from the 90s. The circuit can be implemented with equivalent transistors like the BF494.
This Tesla coil was found in the November 1994 issue of Electronics Now magazine. T1 is a TV...
This circuit uses a large surface diode to detect radiation (alpha and beta particles, in addition to...
The LEDs, in addition to flashing if the transistor is good, also indicate the polarity of the...