Originally designed to analyze the shape of light pulses from a flash for photographic applications, this circuit can be used in other applications. We found it in a Hands On from the 90s.
The cut-off frequency of the filter shown in the figure can be adjusted to values between...
This circuit was found in a Popular Electronics from the 90s. The components used are all common...
This circuit uses a dual floodgate MOSFET not very easy to obtain today. Its handling is very...