This simple two-transistor FM transmitter was found in the November 1991 issue of Radio Electronics magazine. The circuit has a 2 + 2 turn coil of 28-gauge wire with a diameter of 1 cm.
This circuit assumes that a pulse produced by S1 has a constant duration determined by R1 and C1....
This circuit was obtained from an ancient American documentation. The coil consists of 80 to 100...
This circuit was found in Raytheon's 1967 documentation. The circuit uses an operating of the era,...