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US5255324A - Digitally controlled audio amplifier with ...
https://patents.google.com/patent/US5255324A/en
US5255324A - Digitally controlled audio amplifier with voltage limiting - Google Patents An audio system employs a microcontroller to supervise the operation of an audio system including a...
Digitally Controlled 2.1 Channel Analog Audio Power …
https://www.electronics-lab.com/project/digitally-controlled-2-1-channel-analog-audio-power-amplifier/
This article introduces high quality digitally controlled 2.1 channel analog audio power amplifier system. This project is mainly based on TDA7377 AF power amplifier and PIC18F452 8bit microcontroller. Basic technical features of this receiver are covered in table1. This unit is specifically design to work with PC sound cards, radio receivers and CD/DVD/Blue-Ray players.
Digitally controlled amplifiers redefine analog design
https://www.design-reuse.com/articles/7597/digitally-controlled-amplifiers-redefine-analog-design.html
Digitally controlled amplifiers redefine analog design. Digital designs have been encroaching on the analog domain for a long time with firmware-controlled internal timers, comparators and input/output gates, in conjunction with external resistors and capacitors. Some of the analog functions that are easily realized in this environment are the ...
Amazon.com: Digitally Controlled Stereo Electronic Audio ...
https://www.amazon.com/Digitally-Controlled-Stereo-Electronic-Control/dp/B07HHNRMXX
This is a digitally controlled stereo electronic audio volume board with gorgeous appearance. It features a mature volume adjustable module and external power and signal output connector. Several wiring methods such as 3.5 mm Socket (Default) facilitate connection. Analog and digital section powers are used independently to minimize the interference.
Digital Control VGAs | Analog Devices
https://www.analog.com/en/products/amplifiers/variable-gain-amplifiers/digital-control-vgas.html
Digital Control VGAs. Analog Devices digital controlled variable gain amplifiers provide discrete levels of gain control over a fixed number of control bits for a variety of audio and optical frequency bands. Our VGAs improve the dynamic range of a circuit by allowing users to adjust the amplitude of a signal in real time, which is critical for ...
Digitally Controllable Audio Filters and Equalizers
http://www.thatcorp.com/datashts/AES13-031_Digitally_Controllable_Audio_Filters.pdf
controlled amplifier (VCA), has been used to provide elec- where Vt,r is the reference input voltage, Vo,t is the DAC tronic control over analog circuits for many years now. output voltage, CODE is the decimal value of the digital As implied by the name, the gain or attenuation of this
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