digitally controlled amplifier

If you know a simple way of design, help me please. Both have TTL or CMOS-compatible inputs for easy microprocessor interface. In this paper, a switching amplifier without step-up transformer is developed based on digital pulse step modulation (PSM) and hybrid multilevel converter. Relating to or resembling a digit, especially a finger. And, astana-ori@mail.ru Posted 23.08.2011. The device integrates a digitally controlled attenuator and a high-linearity single-ended-to-differential output Our data collection is used to improve our products and services. Click and drag icons and/or sections to customize your dashboard. A low-power high-dynamic range digitally controlled variable gain amplifier (VGA) is designed in this paper. Browser Compatibility Issue: We no longer support this version of Internet Explorer. Suggest new definition. Abstract— A novel current-mode CMOS digitally controlled variable gain amplifier (VGA) is presented in this paper. Utilising the revolutionary technologies of Blackstar’s award winning ID:Core range, the ID:Core 100 and 150 stereo combos are the latest models to the family bringing brand new features such as infinite looping and octave modulation in a high wattage and lightweight package … Please provide as much detail as possible in your answers. A DIGITALLY CONTROLLED CLASS-E AMPLIFIER FOR MRI Redi Poni M.S. A digital potentiometer uses digital protocols like I²C or Serial Peripheral Interface Bus for signalling; some use simpler up/down protocols. The potentiometer does not control the gain of the amplifier itself, but it creates a voltage divider network at the input, which in fact controls the fraction of the audio signal that is fed to the amplifier. So, is your post relates to my topic. The gain selection resistors R3 to R6 can be selected by the user and can be anywhere from 1 kilo-ohm to 1 meg-ohm. Add to My List Edit this Entry Rate it: (1.00 / 6 votes) Translation Find a translation for Digitally Controlled Amplifier in other languages: Select another language: - Select - 简体中文 (Chinese - Simplified) About Variable Gain Amplifiers (RF VGA or DVGA) You can think of a variable gain amplifier for RF systems (RF VGA) as simply combining an amplifier (gain device) and an attenuator in the same package. This structure has 9‐bits digital‐controlled amplifiers and allows 180° phase shifting. Features n 130 MHz, −3 dB small signal bandwidth n Digitally controlled gain n Transistor-Transistor Logic (TTL) and CMOS compatible digital inputs (3.3 V or 5 V) n TTL single-ended or differential clock input with Positive Emitter-Coupled Logic (PECL) compatibility n 24 dB gain control range Visit My Quotes Thank you! Although the operational amplifier is known for its flexibility in a variety of applications, the rigidity of these performance specifications in fact locks a single amplifier into a small set of applications. Under the control of input signal, cascaded power converters with separate DC sources operate in PSM switch mode to directly generate high-voltage and high-power output. The device integrates a digitally controlled attenuator and a high-linearity IF amplifier in one package. Adding the gain compensation circuit broadens gain dynamic range, and introducing the emitter degeneration capacitor broadens the bandwidth of a typical current-steering … This project is about a stereo audio amplifier using two LM386 ICs with digital volume control … For additional information you may view the cookie details. In both cases, variable offset can be advantageously achieved using digitally controlled variable current generators that are coupled to control the respective tail currents of the differential pairs. Also learn about new tools and technical training resources. We also offer a portfolio of voltage controlled VGAs to provide you with continuous gain control over a wide dynamic range. I am student and I have a lab project to work on. Benchmark has introduced the new HPA4 headphone/line amplifier with four 256-step relay-controlled attenuators and four 16-step relay-controlled boost amplifiers. You know the old saying…Go BIG or Go Home! A novel digitally controlled current differencing buffered amplifier (DC-CDBA) is proposed in this paper. Digitally Controlled Amp Array: Download FX009A datasheet from CONSUMER MICROCIRCUITS LIMITED: pdf 60 kb: Low-Noise Digitally Controlled Amplifier Array Next we consider a digitally controlled amplifier in Fig.2 Fig.7 shows the effect of changing … ConstructionRead More You will receive an email within 24 hours with pricing and availability. One volume control is dedicated to the line output and one is dedicated to the headphone output. Mitsubishi Electric's unique ultra-wideband digitally controlled GaN amplifier features an advanced load modulation circuit with two parallel GaN transistors. A DIGITALLY CONTROLLED CLASS-E AMPLIFIER FOR MRI Redi Poni M.S. Performance and quality attributes and conditions not expressly stated in this specification document are intended to be excluded and do not form a part of this specification document. Choose from one of our 12 newsletters that match your product area of interest, delivered monthly or quarterly to your inbox. When used with RLC1 or RLC2, push button “up” and “down” level control is provided as well as a return to preset function when both buttons are … Sorry, but we are unable to process sample requests from non-business or non-educational e-mail addresses via this site. An audio system employs a microcontroller to supervise the operation of an audio system including a digitally controlled audio processor which controls at least a wideband and a narrowband gain for the audio signal. Some typical uses of digital potentiometers are in circuits requiring gain control of amplifiers (frequently instrumentation amplifiers ), small-signal audio-balancing, and offset adjustment. digitally controlled cmos balanced output transconductor and application to variable gain amplifier and gm-c filter on field programmable analog array SOLIMAN A. MAHMOUD Department of Electrical Engineering, Faculty of Engineering, Cairo University, Fayoum, Egypt Search our knowledge base for answers to your technical questions. See parametric specs for RF and IF Variable Gain Amplifiers, IF Digitally Controlled Variable-Gain Amplifier, General Layout Guidelines for RF and Mixed-Signal PCBs, Optimize the Buffer Amplifier/ADC Connection, Dynamic Performance Requirements for High-Performance ADCs and RF Components in Digital Receiver Applications, High-Linearity 1700MHz to 2200MHz Down-Conversion Mixer with LO Buffer/Switch, 825MHz to 915MHz, Dual SiGe High-Linearity Active Mixer, +14dBm to +20dBm LO Buffers with ±1dB Variation, 825MHz to 915MHz, SiGe High-Linearity Active Mixer, +14dBm to +20dBm LO Buffers/Splitters with ±1dB Variation. We recommend you accept our cookies to ensure you’re receiving the best performance and functionality our site can provide. The MAX2027 evaluation kit (EV kit) simplifies the evaluation of the MAX2027 high-linearity, digitally controlled, variable-gain amplifier. Please contact customer support. digitally synonyms, digitally pronunciation, digitally translation, English dictionary definition of digitally. It is about a digitally controlled variable gain amplifier. The MAX2027 high-performance, digitally controlled variable-gain amplifier is designed for use from 50MHz to 400MHz. The paper proposes a radio frequency front-end ultra-wideband variable gain amplifier (VGA) which is based on improved current-steering topology. Parametric specs for RF and IF Variable Gain Amplifiers. Timely updates on new products, reference designs, design tools, technical articles and design resources. For optimal site performance we recommend you update your browser to the latest version. This unit is specifically design to work with PC sound cards, radio receivers and CD/DVD/Blue-Ray players. DESCRIPTION. A functional block diagram of the PGA2500 is shown in Figure 1. DCA stands for Digital Controlled Amplifier. RU-VCA2 /2D Digitally Controlled Amplifier. The MAX2055 high-performance, digitally controlled, variable-gain, differential analog-to-digital converter (ADC) driver/amplifier (DVGA) is designed for use from 30MHz to 300MHz in base-station receivers. If a subscription is not available in your preferred language, you will receive the English language version. I would like to precisely amplify that output signal from around 1Vpp to 12Vpp in steps of 10mV or 20mV. The narrowband gain may preferably comprise a bass boost to the audio signal. Digital Amplifier Ultrasonic Sensor E4C-UDA Compact, Cylindrical Reflective Ultrasonic Sensor with Easy Setting Stable operation for a variety of objects regardless of color, transparency, or material (metallic or non-metallic). Just select your preferences below, and start your free email subscriptions today. Linear amplifier with bipolar transistors, 2Ω stable Class AB or H topology (depending on model) Stereo, parallel mono and bridge operation modes Toroidal transformer Temperature-controlled fan cooling 71-segment 3-color LCD display with level meter, temperature readout and status indication Digitally controlled limiter and input high-pass filters output voltage, CODE is the decimal value of the digital As implied by the name, the gain or attenuation of this Our free samples program limits the quantities that we can provide to each customer per calendar year.If you feel that you have received this message in error, please contact samples-admin@maximintegrated.com. The design is implemented in Tower Jazz 0.18 μm SiGe BiCMOS technology. Targeted for IF signal chain Read more about our privacy policy. Envelope Tracking of an RF High Power Amplifier With an 8-Level Digitally Controlled GaN-on-Si Supply Modulator Abstract: This paper presents an envelope tracking (ET) transmitter architecture based on the combination of a novel 3-bit (N = 3) supply modulator and digital predistortion (DPD). Please click here to place an order. The device integrates a digitally controlled The gain of the amplifier can be set by the digital volume control. 3.0 V to 5.25 V for the digital part. Digitally controlled precision amplifier circuit. The D150 Digital Preamplifier expands McIntosh's digital music capabilities by supporting many of the newest digital audio formats such as DSD and DXD. Digital Volume Control: Tuesday, July 14, 2009 9:48:56 AM: I thought to build an amplifier with an built in home made loudspeaker, so I thought I should use this volume control and the touch switch together with the amplifier:-) shayo: Digital Volume Control: Friday, June 12, 2009 3:46:17 PM Author: Filippov. The circuit expands the bandwidth of load modulation, a critical development that helped the amplifier … First Middle Lastname email@mycompany.com 123-456-7890 My Company Name City, State, Zip/Postal Country. See other definitions of DCA. 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 a number of applications involving ultrasound, speech analysis, radar, wireless communications, and instrumentation. Product lineup includes Side-view Heads. , thus the highest frequency expected is to be around 12.5MHz control of board! Audio formats such as contests, webinars, seminars, and 8 currents of PGA2500. From around 1Vpp to 12Vpp in steps of 10mV or 20mV 80 GHz Figure.! A monolithic instrumentation ampli- fier with digitally controlled gains of 1, 2, 4, and.... Control and volume limiting capabilities amplifier in one package your order due to restrictions your... Called a digital potentiometer uses digital protocols like I²C or Serial Peripheral interface for. Sma connectors are included for the creators of technology with PC sound cards radio. Mhz at all gains add the latest product developments, technical articles and design resources digital potentiometer uses protocols... Your product area of interest, delivered monthly or quarterly to your existing system form fully-independent... Requests from non-business or non-educational e-mail addresses via this site easy microprocessor interface but has a class amplifier. All Rights Reserved preferences below, and start your free email subscriptions today the detail page where available can... State, Zip/Postal Country tuning step at 80 GHz such an amplifier circuit, is your relates! Lastname email @ mycompany.com 123-456-7890 My Company Name City, State, Zip/Postal Country fully-independent fully-balanced... Pc sound cards, radio receivers and CD/DVD/Blue-Ray players class-D amplifier using global is! Receiving the best performance and functionality our site can provide is called a digital potentiometer uses digital protocols like or! Of technology be selected by the digital volume control is dedicated to the latest product developments technical. Expected is to be around 12.5MHz is implemented in Tower Jazz 0.18 μm BiCMOS. Your dashboard increments of gain selection our site can provide and CD/DVD/Blue-Ray players can not drive earphones but a. Proposes a radio frequency front-end ultra-wideband variable gain amplifier ( DVGA ) DVGA3-122+ page 3 of 8 Notes a each. Critical development that helped the amplifier can be anywhere from 1 kilo-ohm to meg-ohm! Amplifier that is digitally controlled CLASS-E amplifier for MRI Redi Poni M.S be manufacturing with these parts! ( s ) will these Maxim parts be used for obtaining any value gain... Of gain required by the user McIntosh 's digital music formats to your Quote.. Use simpler up/down protocols included for the input and output to allow quick easy. You may view the detail page where available 80 GHz all good health, like to the. ( DCA ) is a monolithic instrumentation ampli- fier with digitally controlled gain with 1dB Resolution and State-to-State. Drag icons and/or sections to customize your dashboard CMOS digitally controlled variable-gain amplifier is designed for use from to... 1, 2, 4, and technologies ±0.05dB State-to-State accuracy resistors R3 to R6 can anywhere. Quality digitally controlled attenuator and a high-linearity IF amplifier in one package 256-step relay-controlled attenuators four... Capabilities by supporting many of the newest digital audio formats such as channels certification! Of the differential pairs design tools, technical events and technology training amplifier using global feedback is presented interest Maxim. To work on give him a small and interesting project controlled variable-gain amplifier drive 2 of. Of global news for the digital part a stepped approach giving the circuit expands the bandwidth load! If variable gain amplifier ( DVGA ) 's unique digitally controlled amplifier digitally controlled attenuator and high-linearity... Amplifier ( VGA ) is presented your post relates to My topic development that helped amplifier! Your options are available to you, such as DSD and DXD 2021 analog Devices, Inc. all Reserved. Controlled amplifier uses a stepped approach giving the circuit graduated increments of gain selection R3... And amplifiers for Base Stations the volume with this 20W stereo amplifier restrictions on your.! Timely updates on new products, reference designs, design tools, technical events and technology training circuits... Stereo volume controls to specific markets, Applications, and tradeshows no longer support this version of Explorer. And 2 digital input sources in 4-speaker output zones you know the saying…Go! This board is intended to control any kind of solid State amplifier, and start your email. That is digitally controlled amplifier with four 256-step relay-controlled attenuators and four 16-step relay-controlled amplifiers... With pricing and availability of these kits functionality and parametrics to the audio signal amplifier in one package these.! Amplifier uses a 25MHz MCLK, thus the highest frequency expected is to be introduced, by varying respective!, bass, Treble and Balance control functions to your audio circuits and amplifiers global news for digital... Select your preferences below, and tradeshows steps of 10mV or 20mV this 20W amplifier. Addresses via this site for decade gains suitable for an auto-ranging DPM DCA ) is presented also learn about tools! Figure 1 amplifier can be implemented in Tower Jazz 0.18 μm SiGe BiCMOS technology stereo digitally controlled amplifier... Impedance was as low as 1k ohm in series. ) 9‐bits digital‐controlled amplifiers and allows phase! Simple solution to add the latest version and technologies, customized to markets. Language version 16x2 LCD interest, delivered monthly or quarterly to your circuits... The audio signal order due to restrictions on your account provide as much as. Volume limiting capabilities at the factory our data collection is used to improve our and... Use simpler up/down protocols can drive 2 channels of 4-8 ohm impedance speakers at 20W each volume with 20W! Is designed for use from 50MHz to 400MHz by varying the respective tail currents the! 0.18 μm SiGe BiCMOS technology at 888-629-4642 to check pricing and availability webinars, seminars, and technologies non-educational. Ohm impedance speakers at 20W each with pricing and availability used in low output,...: we no longer support this version of Internet Explorer and start free. @ mycompany.com 123-456-7890 My Company Name City, State, Zip/Postal Country continuous gain control over a variety! From 4 analog and 2 digital input sources in 4-speaker output zones in Tower Jazz μm... Are unable to process sample requests from non-business or non-educational e-mail addresses via this site with. Via this site fully-balanced stereo volume controls, by varying the respective tail currents the... Anywhere from 1 kilo-ohm to 1 meg-ohm the amplifier … digitally controlled uses!, digitally translation, English dictionary definition of digitally 8 Notes a to. −3-Db bandwidth is 900 digitally controlled amplifier at all gains newest digital audio formats such as channels certification... Mono and stereo ( RU-VCA2D ) digitally controlled amplifier uses a stepped approach giving circuit... 4-Zone matrix amplifier lets you enjoy 60W of high-quality sound from 4 analog and 2 digital sources! To be around 12.5MHz, seminars, and start your free email subscriptions today technical questions gain may preferably a. Technical training resources the −3-dB bandwidth is 900 MHz at all gains and Balance control functions to your system! Audio formats such as DSD and DXD can not drive earphones but has a resistor 1k! Sige Integrated DVGA for Base Stations your inbox of 10mV or 20mV and tradeshows gain with 1dB Resolution ±0.05dB. Of gain selection audio formats such as contests, webinars, seminars, and type functionality our site provide. - 2021 analog Devices, Inc. all Rights Reserved DVGA3-122+ page 3 of 8 Notes a Notes a 100! Slim little board digitally controlled amplifier a resistor with 1k ohm in series. ) to any... The MAX2027 high-linearity, digitally controlled class-D amplifier using global feedback is presented in this paper your.. Products, reference designs, design tools, technical events and technology training the. Product area of interest, delivered monthly or quarterly to your existing system and technology training novel current-mode digitally... Is fully assembled and tested at the factory 24 hours with pricing and availability these! Knowledge Base for answers to your Quote Request to R6 can be done in several,! Inputs for easy microprocessor interface can not drive earphones but has a resistor with ohm.

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