Found in Electronics Now from the 1980s, this amplifier can also be seen in commercial amplifiers of the time. The integrated used is uncommon nowadays. The power is 33 W.
The presented circuit is suggested by Texas Instruments (www.ti.com) in its Application Report...
This circuit with an industrial standard 4-20 mA interface uses a KPZ20G pressure sensor but can...
This circuit takes advantage of the inductance of the coil of a high-impedance phone to form the...