This circuit generates short pulses. The transistor can be a 2N2222 or BC548 and the frequency is given by the resistors and the capacitor that can be changed.
This circuit was obtained from a 2005 Linear Technology manual. The circuit is self-powered and can...
This driver for coaxial cables was found in American documentation from the 1980s. The maximum...
This CW transmitter for the 3,5 MHz band, low power, was published in a march 1961 Radio...