This transmitter power meter was found in the March 1999 issue of Electronics Now magazine. The circuit uses an analog indicator and does not require a power supply.
With this circuit it is possible to divide the frequency of a rectangular signal by values between 2...
This circuit, which we find in a documentation from the 70s, filters out the Ru [occurring in...
This circuit simulates the call tone of a telephone. The transducer is a high impedance capsule, and...