Found in a 1964 Electronic Design this circuit makes use of components of the era. The output is 2 V peak to peak and the input is 2 V. The maximum frequency depends on the employed components.
The voltage regulator circuit described is highly accurate and uses discrete components...
WWV is the standard frequency station of the United States government. This station broadcasts a...
Based on a 555, this 80's American documentation circuit detects the voltage of a battery and can then...