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.
A double port MOSFET is used in this circuit, which drives a 100 uA moving coil meter or close to it....
This circuit allows the use of two triggers (inverters or NAND ports connected in this way) to...
This circuit generates signals with opposite phases determined by C1 and adjusted by R2. The...