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 circuit from the 40's is a conventional analog multimeter with several scales. Its accuracy will...
The integrated circuit used in this project is no longer very common, but if found it can result in...
This switched regulator configuration was found in Motorola's 1969 documentation. The integrated...