This circuit was obtained from a 1980's QST magazine. The circuit can generate 1 to 15 MHz signals with 1 Vpp at 50 ohms load. Used transistors are still common today.
This circuit is more elaborate than the previous one, employing an integrated amplifier circuit of the...
This is a possible circuit for the receiver of the previous circuit. Other circuits can be found...
Static charges in objects Dan be detected by this sensitive electroscope. The meter indicates when the...