If we replace the potentiometer VR1 with an AC signal plus DC bias signal in any of the previous Figures 3 to 17, the voltage controlled attenuators can become an amplitude modulator circuit instead.

Voltage conveyors and current conveyors represent two pivotal active building blocks in contemporary analog circuit design. Their unique signal processing capabilities allow for efficient voltage ...

Over the past 20 years, the audio services that telcos supply to broadcasters have migrated from balanced analog copper circuits to digital solutions based on synchronous E1 and T1 networks. The next ...

For a long time, I have thought that pulse generator outputs should not have adjustable amplitude and offset. Instead, they should have an adjustable top value and a separately adjustable bottom value ...

Mark Levinson has announced it is now shipping the No320S Preamplifier. A direct descendant of the critically acclaimed No32 Reference Preamplifier, the No320S features audio circuits, controls, ...

Diodes has introduced a digital stereo audio amplifier with built-in boost converter that allows 8+8W to be delivered from one Li-ion cell and 12+12W from two cells in series. Integrated output noise ...

See Part 1, Part 2, and Part 3 of this series. The previous FET circuits pertained to voltage-controlled signal amplitude circuits. That is, the input signal’s amplitude can be changed at the output ...