This circuit amplifies signals from 0.5 Hz to 300 kHz. We found it in an old documentation. Equivalent transistors may be used. The gain is 20 dB.
Two potentiometers mounted at right angles, so that they can be operated by a lever, form a very...
This circuit is from a 2005 Linear Technology manual. The circuit uses an LT6700-3 and has an...
This circuit with RIAA equalization is from 1985 US documentation. The circuit has a flat response...