The phasor is the ray weapon that we see in many science-fiction films. The characteristic sound can be imitated with this circuit found in Radio Electronics of the years 90.
An inproved version of the circuit CIR129E is shown here. The resistorR1 must be at least 5 times...
We found this circuit in an old documentation. It can be elaborated based on modern components. The...
In this circuit of a 1956 publication, the handset must be high-impedance magnetic and L1 has 200...