This circuit was suggested by Signetics in 1980s documentation. The circuit makes use of the hard-to-obtain component of our day. It is for reference only.
This old AM receiver with an integrated circuit came out in a documentation from the 80s. The...
We have here an interesting audio preamplifier, which can be useful to those who are looking to...
In the figure we have a basic double T filter with components that must maintain a specific range...