This circuit was found in Siliconix documentation from the 1980s. Equivalent operational amplifiers can be used and the output current is very low.
This circuit is ideal for recovering vinyl media with a linear response from the RIAA curve of the...
Some delicate sensors such as reed-switches and even sensors made with small metal plates do not...
This circuit was obtained in a manual for radio amateurs from 1975. It is a circuit that allows the...