The shock is 2.5mH for frequencies between 3 and 30MHz. C is 1nF, R is 47k and the transistor can be of any type of general use. M is 0-1 mA and the supply is made with voltages from 3 to 6 V.
This amplifier with gain control was obtained in a documentation from Signetics of the 80's....
This common 555 circuit was found in documentation from the 90s. The circuit uses two 555s and the...
The project is from a 1992 publication, but totally current by the components it uses. The LEDs...