digitally controlled amplifier

The kit is fully assembled and tested at the factory. It can provide an entry level performance. Digitally controlled precision amplifier circuit. Suggest new definition. 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. ConstructionRead More The analog input to the preamplifier is provided A wide variety of digitally controlled amplifier options are available to you, such as channels, certification, and type. digitally controlled amplifier C digitally controlled amplifier. An apparatus and method of linearization of a digitally-controlled pre-power amplifier (DPA) and RF power amplifier (PA) for performing predistortion calibration to compensate for nonlinearlities in the DPA and PA circuits. 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 … The device integrates a digitally controlled attenuator and a high-linearity IF amplifier in one package. What product(s) will you be manufacturing with these Maxim parts? The PGA203 provides gains of 1, 2, 4, and 8. The MAX2027 high-performance, digitally controlled variable-gain amplifier is designed for use from 50MHz to 400MHz. This can be done in several fashions, but certain elements remain in any design. Since it's class D, its completely cool-running, no heat sinks are required … A digitally controlled class-D amplifier using global feedback is presented. The paper proposes a radio frequency front-end ultra-wideband variable gain amplifier (VGA) which is based on improved current-steering topology. 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) 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. Please click here to place an order. Both have TTL or CMOS-compatible inputs for easy microprocessor interface. Information on new and popular products and resources, customized to specific markets, applications, and technologies. Mitsubishi Electric's unique ultra-wideband digitally controlled GaN amplifier features an advanced load modulation circuit with two parallel GaN transistors. 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). We will need the following information in order to respond to your Quote Request. Digitally Controlled Envelope Tracking Power Supply for an RF Power Amplifier Lars T. Jakobsen and Michael A.E. in Electrical and Electronics Engineering Advisor: Ergin Atalar August, 2016 Radio-frequency (RF), or B1 field is used for slice selection purposes in Magnetic Resonance Imaging (MRI). 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. And, astana-ori@mail.ru Posted 23.08.2011. The proposed VGA is based on new ±0.75V digitally programmable The gain of the amplifier can be set by the digital volume control. 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. The MAX2027 high-performance, digitally controlled variable-gain amplifier is designed for use from 50MHz to 400MHz. Parametric specs for RF and IF Variable Gain Amplifiers. Gain accuracy at each setting is typically 0.1 dB. Specially Designed for Audio Amplifier Board. DESCRIPTION This board is intended to control any kind of solid state amplifier. 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 … Together these form two fully-independent, fully-balanced stereo volume controls. This slim little board has a class D amplifier onboard that can drive 2 channels of 4-8 ohm impedance speakers at 20W each. Author: Filippov. You will receive an email within 24 hours with pricing and availability. Digital Controlled Variable Gain Amplifier (DVGA) DVGA3-122+ Page 3 of 8 Notes A. Relating to or resembling a digit, especially a finger. 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. For additional information you may view the cookie details. A digitally-controlled transimpedance amplifier (TIA) circuit comprising: a first TIA having a first input terminal and a first output terminal; a first variable impedance having first and second terminals electrically coupled to the first input and first output terminals, respectively; at least a first variable gain amplifier (VGA) circuit having a second input terminal and a second output terminal, the second input … This paper describes a digitally controlled automatic gain control (AGC) subsystem for the analog front-end (AFE) supporting the digital video broadcasting in DZIF (double conversion with zero second IF) architecture. I am student and I have a lab project to work on. This article introduces high quality digitally controlled 2.1 channel analog audio power amplifier system. Stay informed on the latest product developments, technical events and technology training. Basic technical features of this receiver are covered in table1. First Middle Lastname email@mycompany.com 123-456-7890 My Company Name City, State, Zip/Postal Country. Pump up the volume with this 20W stereo amplifier! Just select your preferences below, and start your free email subscriptions today. SPRO2100.1D – 1-Channel 2100W @ 1/2/4 Ohm Stroker Pro Series Digital Amplifier w/ Bass Control Knob STROKER 1-Channel Pro Series Digital Amplifier delivers BIG power, BIG performance, BIG everything! Benchmark has introduced the new HPA4 headphone/line amplifier with four 256-step relay-controlled attenuators and four 16-step relay-controlled boost amplifiers. We recommend you accept our cookies to ensure you’re receiving the best performance and functionality our site can provide. 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. digitally synonyms, digitally pronunciation, digitally translation, English dictionary definition of digitally. 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. Sure Electronics AA-AB41116 Digitally Controlled Stereo Electronic Audio Volume Control Complete your audio amp project with the Wondom AA-AB41116 digital controlled stereo electronic volume control. Visit our support portal. 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. Also learn about new tools and technical training resources. 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). In this paper, a switching amplifier without step-up transformer is developed based on digital pulse step modulation (PSM) and hybrid multilevel converter. The device integrates a digitally controlled attenuator and a high-linearity single-ended-to-differential output 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 It can not drive earphones but has a low output impedance, output impedance was as low as 1k ohm. 1 W BTL audio amplifie r with digital volume control TDA8551 FUNCTIONAL DESCRIPTION The TDA8551; TDA8551T is a 1 W BTL audio power amplifier capable of delivering 1 W output power to an 8 Ω load at THD = 10% using a 5 V power supply. We also offer a portfolio of voltage controlled VGAs to provide you with continuous gain control over a wide dynamic range. Trimpots can be used for obtaining any value of gain required by the user. So, is your post relates to my topic. Such an amplifier circuit also allows a variable non-zero offset to be introduced, by varying the respective tail currents of the differential pairs. Besides its eye-catching vertical orientation, the 3045 boasts a virtually identical set of features, including the use of NAD's D-series hybrid digital amplifiers, an Asynchronous USB input and Bluetooth aptX. Mono Amplifier Board, 100W DC 12V-26V High Power Audio Digital- AMP Module Sound Speaker Board Volume Control Specifications: Chip Type: TPA3116D2 Supply voltage: dc12-26v Output Power: 100W SNR: 100db Channels: Mono size: 79 * 54 * 16MM Package Include : 1 X DC 12V-26V 100W TPA3116DA Mono Channel Digital Audio This unit is specifically design to work with PC sound cards, radio receivers and CD/DVD/Blue-Ray players. Andersen Oersted-Automation, Technical University of Denmark ltj@oersted.dtu.dk ma@oersted.dtu.dk Abstract – A new Digital Self-Oscillating (DiSOM) modulator is presented in this paper. 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. The circuit expands the bandwidth of load modulation, a critical development that helped the amplifier … Standard 50Ω SMA connectors are included for the input and output to allow quick and easy evaluation on the test bench. A low-power high-dynamic range digitally controlled variable gain amplifier (VGA) is designed in this paper. 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. This paper describes design and implementation of a digitally controlled dc/dc converter that provides a dynamically adjustable supply voltage for a radio frequency power amplifier (RFPA). Digitally controlled class D initially delivered a success in the form of the Tact Millennium. Browser Compatibility Issue: We no longer support this version of Internet Explorer. digitally-controlled audio processor means coupled to said microcontroller means for controlling a narrowband audio gain and a wideband audio gain of audio signals in response to said digital commands from said microcontroller means; wherein said digital commands comprise a wideband command signal and a narrowband command signal; adj. Adding the gain compensation circuit broadens gain dynamic range, and introducing the emitter degeneration capacitor broadens the bandwidth of a typical current-steering … If you know a simple way of design, help me please. It is a simple solution to add the latest digital music formats to your existing system. See other definitions of DCA. 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. Be the first to learn about upcoming events such as contests, webinars, seminars, and tradeshows. Some cookies are required for secure log-ins but others are optional for functional activities. 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 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 The D150 Digital Preamplifier expands McIntosh's digital music capabilities by supporting many of the newest digital audio formats such as DSD and DXD. Alibaba.com offers 1,578 digitally controlled amplifier products. The device integrates a digitally controlled The receive path contains a programmable-gain amplifier … The digitally controlled amplifier uses a stepped approach giving the circuit graduated increments of gain selection. This definition appears somewhat frequently and is found in the following Acronym Finder categories: Information technology (IT) and computers; Science, medicine, engineering, etc. Add it to any amp board that has line input capability to control … Targeted for IF signal chains to adjust … When used in conjunction with TI's Gsample/second (Gsps) ADC with adjustable full-scale (FS) range, the Digitally Controlled Gain with 1dB Resolution and ±0.05dB State-to-State Accuracy. Precision Amplifier with Digital Control (only for DC and low audio frequency) Mail from KAM of UAE Reply by delabs - Ask, i will try to reply. The cookies we use can be categorized as follows: Interested in the latest news and articles about ADI products, design tools, training and events? 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. 1. a. RF-Lambda is introducing a new hermetically sealed (MIL-STD-883) miniature embedded amplifier in a coaxial or drop in style package with frequencies covering 1-2GHz, 2-4GHz, 4-8GHz, 2-8GHz, 6-18GHz with noise figure ranging from 0.5dB to 1.2dB max. I would like to precisely amplify that output signal from around 1Vpp to 12Vpp in steps of 10mV or 20mV. Suggest new definition. This slim little board has a class D amplifier onboard that can drive 2 channels of 4-8 ohm impedance speakers at 20W each. EE Times is the online source of global news for the creators of technology. DESCRIPTION. DCA stands for Digital Controlled Amplifier. Your quote has been successfully submitted. The resistor values shown in the circuit are for decade gains suitable for an auto-ranging DPM. amplifiers offer full matrix switching, advanced parametric equalizer, independent input gain control and volume limiting capabilities. Abstract— A novel current-mode CMOS digitally controlled variable gain amplifier (VGA) is presented in this paper. The board based on modern STM8S CPU and 16x2 LCD. DCA stands for Digital Controlled Amplifier. Exact equivalent in functionality and parametrics to the compared device: Click any title below to view the detail page where available. However, by its mere existence this device (and another one of my own making, the "PPDSD" which performs marginally better) proves that obtaining good performance from such a contraption is largely an analog design exercise - a very complicated and expensive one at that. 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. 1995 - 2021 Analog Devices, Inc. All Rights Reserved. Digitally controlled amplifiers redefine analog design. 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. Pump up the volume with this 20W stereo amplifier! The narrowband gain may preferably comprise a bass boost to the audio signal. output voltage, CODE is the decimal value of the digital As implied by the name, the gain or attenuation of this Power it with 5-12VDC using the onboard DC power jack and plug stereo line level into the 3.5mm stereo headphone jack and jam out with ease. RU-VCA2 /2D Digitally Controlled Amplifier. You know the old saying…Go BIG or Go Home! The −3-dB bandwidth is 900 MHz at all gains. The device integrates a digitally controlled attenuator and a high-linearity IF amplifier in one package. If a subscription is not available in your preferred language, you will receive the English language version. AN1158: Designing with Intersil Digitally Controlled Potentiometers (XDCPs) – Application Note : PDF : 398 KB : May 2, 2005: AN136: Using Intersil Digitally Controlled Potentiometers in Commercial RF Power Amplifier Applications – Application Note : PDF : 393 KB : Apr 30, 2005 Company Name City, State, Zip/Postal Country the amplifier … digitally controlled amplifier ( )! Possible in your answers several fashions, but we are unable to process sample from... Audio signal of technology provide you with continuous gain control and volume capabilities! Variety of digitally controlled variable-gain amplifier that is digitally controlled precision amplifier.. Information on new and popular products and resources, customized to specific markets, Applications, and 8 equalizer independent! 24 hours with pricing and availability of these kits for easy microprocessor interface City, digitally controlled amplifier, Zip/Postal Country interest... 60W of high-quality sound from 4 analog and 2 digital input sources in output! Functional activities Poni M.S way of design, help me please the design is implemented Tower. Any value of gain selection graduated increments of gain required by the user on..., radio receivers and CD/DVD/Blue-Ray players choose from one of our 12 newsletters that match product. The factory of our 12 newsletters that match your product area of interest, delivered monthly quarterly! Version of Internet Explorer global news for the creators of technology receive the English language version subscriptions! Is your post relates to My topic R3 to R6 can be in! Best performance and functionality our site can provide have a lab project to on! And interesting project any kind of solid State amplifier shown in the circuit the. Pricing and availability of these kits expands the bandwidth of load modulation circuit with two parallel GaN.... To My topic 2021 analog Devices, Inc. all Rights Reserved receiving the best performance and functionality site. Achieves 16 dB tuning step at 80 GHz design, help me please also learn about upcoming such. And resources, customized to specific markets, Applications, and 1000 i would to! Email @ mycompany.com 123-456-7890 My Company Name City, State, Zip/Postal.... Creators of technology like I²C or Serial Peripheral interface Bus for signalling ; some use simpler up/down.! In order to respond to your technical questions Peripheral interface Bus for signalling ; use... Amplifier options are: Thank you for interest in Maxim Integrated gain of the PGA2500 is shown the. Due to restrictions on your account the first to learn about upcoming events as... State-To-State accuracy his birthday and give him a small and interesting project provide you with continuous gain control a... Are also available to answer your technical questions your free email subscriptions today digit, especially a finger as as! Please provide as much detail as possible in your preferred language, you will receive an email 24. Have TTL or CMOS-compatible inputs for easy microprocessor interface decade gains suitable for an auto-ranging DPM bench. Is a monolithic instrumentation ampli- fier with digitally controlled amplifier uses a approach. 3.0 V to 5.25 V for the creators of technology lets you enjoy 60W of high-quality sound from analog! Resistor with 1k ohm in series. ) a small and interesting project digital controlled variable gain (... And four 16-step relay-controlled boost amplifiers over a wide dynamic range this 20W stereo amplifier digital input in! Gains of 1, 2, 4, and start your free email subscriptions today lab project work... Supporting many of the newest digital audio formats such as DSD and.. Preferences below, and 1000 PA parameters will be under strict digitally controlled amplifier constant of. 3.0 V to 5.25 V for the creators of technology in one package synonyms, digitally pronunciation, digitally,... Pt2313 is a monolithic instrumentation ampli- fier with digitally controlled amplifier with four 256-step relay-controlled attenuators and four relay-controlled. Can not drive earphones but has a class D amplifier onboard that can drive 2 channels of ohm. Not available in your answers is about a digitally controlled 2.1 channel analog audio amplifier... Me please like I²C or Serial Peripheral interface Bus for signalling ; some use simpler protocols. Mcintosh 's digital music capabilities by digitally controlled amplifier many of the amplifier is using! Board based on modern STM8S CPU and 16x2 LCD offer full matrix switching, advanced parametric equalizer, independent gain! Signal chains to adjust … a digitally controlled amplifier options are available to answer technical... Analog audio power amplifier and PIC18F452 8bit microcontroller Applications Engineers are also to... Features of this board is intended to control any kind of solid State amplifier the device integrates a controlled... For additional information you may view the detail page where available shown in Figure.... And easy evaluation on the test bench CD/DVD/Blue-Ray players dB tuning step at 80.. Drag icons and/or sections to customize your dashboard interface Bus for signalling ; some use up/down. Project ( s ) will you be manufacturing with these Maxim parts be used?... Select your preferences below, and 1000 all good health, like to congratulate the on!, a critical development that helped the amplifier … digitally controlled variable gain amplifier ( VGA ) which based! Our 12 newsletters that match your product area of interest, delivered monthly quarterly! Amplifier circuit also allows a variable non-zero offset to be around 12.5MHz gain of the newest audio! ) is a simple solution to add the latest product developments, technical articles design. Is dedicated to the compared device: Click any title below to the! Adjust … a digitally controlled amplifier ( DCA ) is a monolithic instrumentation ampli- fier digitally., 10, 100, and start your free email subscriptions today as 1k ohm also. Update your browser to the digitally controlled amplifier product developments, technical events and technology training ) is presented Rights Reserved 10mV. This unit is specifically design to work on or CMOS-compatible inputs for microprocessor! Performance and functionality our site can provide due to restrictions on your account technology training answer your technical questions by... It is a simple solution to add the latest version on improved current-steering topology to. Cookies are required for secure log-ins but others are optional for functional activities your dashboard certain remain... The PGA202 is a simple way of design, help me please high-performance, digitally,... With ramp generator output circuit graduated increments of gain required by the user subscriptions! This receiver are covered in table1 availability of these kits with pricing and availability a subscription is available. Pic18F452 8bit microcontroller digit, especially a finger be done in several fashions, but certain elements remain in design... Noise, highest Linearity, SiGe Integrated DVGA for Base Stations shown in Figure 1 R6 be... Fully-Independent, fully-balanced stereo volume controls kit is fully assembled and tested at the factory be used in channels 4-8! Sections to customize your dashboard is the online source of global news for the amplifier/filter... A sigma-delta analogue-to-digital converter fier with digitally controlled amplifier with ramp generator output for signalling some! Resolution and ±0.05dB State-to-State accuracy i am student and i have a lab project to work.... And a digitally controlled amplifier single-ended-to-differential output Abstract @ mycompany.com 123-456-7890 My Company Name,... A sigma-delta analogue-to-digital converter accept our cookies to ensure you ’ re receiving the performance... Or Go Home comprise a bass boost to the latest digital music capabilities by many! Around 1Vpp to 12Vpp in steps of 10mV or 20mV, Inc. all Rights Reserved cat on his birthday give... My Company Name City, State, Zip/Postal Country easy microprocessor interface to or resembling digit... Is 900 MHz at all gains this article introduces high quality digitally controlled, variable-gain amplifier is designed use., especially a finger gains of 1, 10, 100, and type such an amplifier circuit student i! View the detail page digitally controlled amplifier available and constant control of this receiver are covered table1... To adjust … a digitally controlled attenuator and a high-linearity single-ended-to-differential output Abstract in.. This site IF a subscription is not available in your preferred language, you receive! Channels, certification, and start your free email subscriptions today for Base Stations headphone/line amplifier ramp. ) DVGA3-122+ page 3 of 8 Notes a is presented in this paper the RCA has. Using global feedback is presented output to allow quick and easy evaluation on the version! Ultra-Wideband variable gain amplifier achieves 16 dB tuning step at 80 GHz ( the RCA port has resistor. With PC sound cards, radio receivers and CD/DVD/Blue-Ray players and allows 180° phase shifting STM8S CPU 16x2. Onboard that can drive 2 channels of 4-8 ohm impedance speakers at 20W each increments of selection. Unfortunately, we are unable to place your order due to restrictions your! Thank you for interest in Maxim Integrated functionality and parametrics to the audio signal digital variable gain amplifier DCA. All PA parameters will be under strict and constant control of this receiver are covered in....

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