Product lineup includes Side-view Heads. Exact equivalent in functionality and parametrics to the compared device: Click any title below to view the detail page where available. Trimpots can be used for obtaining any value of gain required by the user. Suggest new definition. I am trying to build a high-precision digitally controlled amplifier in order to amplify signals coming out from AD9833. 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. Your quote has been successfully submitted. Digitally Controlled Amplifier. A DIGITALLY CONTROLLED CLASS-E AMPLIFIER FOR MRI Redi Poni M.S. 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 … digitally controlled amplifier C digitally controlled amplifier. 3.0 V to 5.25 V for the digital part. Unfortunately, we are unable to place your order due to restrictions on your account. The implemented phase‐inverting variable gain amplifier achieves 16 dB tuning range and 0.5 dB tuning step at 80 GHz. The analog input to the preamplifier is provided The device integrates a digitally controlled Parametric specs for RF and IF Variable Gain Amplifiers. 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). The cookies we use can be categorized as follows: Interested in the latest news and articles about ADI products, design tools, training and events? 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. Abstract. The gain of the amplifier can be set by the digital volume control. DESCRIPTION. DCA stands for Digital Controlled Amplifier. 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. This project is about a stereo audio amplifier using two LM386 ICs with digital volume control … A novel digitally controlled current differencing buffered amplifier (DC-CDBA) is proposed in this paper. Compact M18-sized cylindrical Head. 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. Together these form two fully-independent, fully-balanced stereo volume controls. Digitally controlled amplifiers redefine analog design. 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. 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). 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 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 This slim little board has a class D amplifier onboard that can drive 2 channels of 4-8 ohm impedance speakers at 20W each. If a subscription is not available in your preferred language, you will receive the English language version. 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. You will receive an email within 24 hours with pricing and availability. 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. Click and drag icons and/or sections to customize your dashboard. Lowest Noise, Highest Linearity, SiGe Integrated DVGA for Base Stations. 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. Some typical uses of digital potentiometers are in circuits requiring gain control of amplifiers (frequently instrumentation amplifiers ), small-signal audio-balancing, and offset adjustment. 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. 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 adj. A device that utilizes digtial control is called a digital variable gain amplifier (DVGA). 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. Such an amplifier circuit also allows a variable non-zero offset to be introduced, by varying the respective tail currents of the differential pairs. amplifiers offer full matrix switching, advanced parametric equalizer, independent input gain control and volume limiting capabilities. Author: Filippov. See other definitions of DCA. 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 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 … Please click here to place an order. 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. Our dedicated team of Applications Engineers are also available to answer your technical questions. For additional information you may view the cookie details. The output signal of the amplifier is sampled using a sigma-delta analogue-to-digital converter. Digital Controlled Variable Gain Amplifier (DVGA) DVGA3-122+ Page 3 of 8 Notes A. This slim little board has a class D amplifier onboard that can drive 2 channels of 4-8 ohm impedance speakers at 20W each. The device integrates a digitally controlled attenuator and a high-linearity IF amplifier in one package. Digitally controlled precision amplifier circuit. A digitally controlled amplifier (DCA) is a variable-gain amplifier that is digitally controlled. Suggest new definition. 1. a. It is about a digitally controlled variable gain amplifier. This definition appears somewhat frequently and is found in the following Acronym Finder categories: Information technology (IT) and computers; Science, medicine, engineering, etc. Standard 50Ω SMA connectors are included for the input and output to allow quick and easy evaluation on the test bench. What product(s) will you be manufacturing with these Maxim parts? This structure has 9‐bits digital‐controlled amplifiers and allows 180° phase shifting. The device integrates a digitally controlled attenuator and a high-linearity IF amplifier in one package. Basic technical features of this receiver are covered in table1. Pump up the volume with this 20W stereo amplifier! This can be done in several fashions, but certain elements remain in any design. It is a simple solution to add the latest digital music formats to your existing system. The resistor values shown in the circuit are for decade gains suitable for an auto-ranging DPM. You know the old saying…Go BIG or Go Home! The narrowband gain may preferably comprise a bass boost to the audio signal. 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 synonyms, digitally pronunciation, digitally translation, English dictionary definition of digitally. Suitable analog amplifier cards in Euro-card format and analog amplifiers in modular design or connector design that have been adapted to the valve technology are available to realize controlled … 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. This unit is specifically design to work with PC sound cards, radio receivers and CD/DVD/Blue-Ray players. 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). Rechargeable Hearing Amplifiers - Digital Sound Enhancer with Volume Control Noise Reduction for Adults and Seniors, Hearing Amplifier Cleaning Tools Included by … This EV kit provides a list of equipment required to evaluate the device, a straightforward test procedure to verify functionality, a circuit schematic, a bill of materials (BOM), and artwork for each layer of the PC board. A wide variety of digitally controlled amplifier options are available to you, such as channels, certification, and type. One volume control is dedicated to the line output and one is dedicated to the headphone output. The board based on modern STM8S CPU and 16x2 LCD. The MAX2027 evaluation kit (EV kit) simplifies the evaluation of the MAX2027 high-linearity, digitally controlled, variable-gain amplifier. AD9833 uses a 25MHz MCLK, thus the highest frequency expected is to be around 12.5MHz. Visit My Quotes Thank you! The PGA203 provides gains of 1, 2, 4, and 8. The digitally controlled amplifier uses a stepped approach giving the circuit graduated increments of gain selection. ConstructionRead More Adding the gain compensation circuit broadens gain dynamic range, and introducing the emitter degeneration capacitor broadens the bandwidth of a typical current-steering … Mitsubishi Electric's unique ultra-wideband digitally controlled GaN amplifier features an advanced load modulation circuit with two parallel GaN transistors. Your options are : Thank You for interest in Maxim Integrated. Some cookies are required for secure log-ins but others are optional for functional activities. First Middle Lastname email@mycompany.com 123-456-7890 My Company Name City, State, Zip/Postal Country. 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. The MAX2027 high-performance, digitally controlled variable-gain amplifier is designed for use from 50MHz to 400MHz. It can provide an entry level performance. 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 PGA2500 is a digitally controlled microphone preamplifier integrated circuit designed for amplifying the output of dynamic and condenser microphones and driving high performance audio analog-to-digital converters (ADCs). Choose from one of our 12 newsletters that match your product area of interest, delivered monthly or quarterly to your inbox. If you know a simple way of design, help me please. Mono and stereo (RU-VCA2D) digitally controlled amplifier with ramp generator output. 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 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. 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; The D150 Digital Preamplifier expands McIntosh's digital music capabilities by supporting many of the newest digital audio formats such as DSD and DXD. The receive path contains a programmable-gain amplifier … A functional block diagram of the PGA2500 is shown in Figure 1. In this paper, a switching amplifier without step-up transformer is developed based on digital pulse step modulation (PSM) and hybrid multilevel converter. Sorry, but we are unable to process sample requests from non-business or non-educational e-mail addresses via this site. It can not drive earphones but has a low output impedance, output impedance was as low as 1k ohm. PT2313 is a 4-channel digital control audio processor providing Volume, Bass, Treble and Balance control functions to your audio circuits and amplifiers. The circuit expands the bandwidth of load modulation, a critical development that helped the amplifier … 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. output voltage, CODE is the decimal value of the digital As implied by the name, the gain or attenuation of this 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 … Our data collection is used to improve our products and services. Academic & Science » Electronics. Read more about our privacy policy. Gain accuracy at each setting is typically 0.1 dB. A DIGITALLY CONTROLLED CLASS-E AMPLIFIER FOR MRI Redi Poni M.S. 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. I am student and I have a lab project to work on. Seller: 60dbmco (3,113) 99.2%, Location: Kyiv, Ships to: Worldwide, Item: 332987528678 Amplifier control board, SSPA LDMOS MOSFET controller, HF multi band. And, astana-ori@mail.ru Posted 23.08.2011. Please contact customer support. 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 The proposed VGA is based on new ±0.75V digitally programmable Benchmark has introduced the new HPA4 headphone/line amplifier with four 256-step relay-controlled attenuators and four 16-step relay-controlled boost amplifiers. Pump up the volume with this 20W stereo amplifier! All good health, like to congratulate the cat on his birthday and give him a small and interesting project. The MAX2027 high-performance, digitally controlled variable-gain amplifier is designed for use from 50MHz to 400MHz. This article introduces high quality digitally controlled 2.1 channel analog audio power amplifier system. When used in conjunction with TI's Gsample/second (Gsps) ADC with adjustable full-scale (FS) range, the See other definitions of DCA. 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. EE Times is the online source of global news for the creators of technology. The digital amplifier/filter obtained in step 17 can be implemented in many ways. 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. Add it to any amp board that has line input capability to control … I would like to precisely amplify that output signal from around 1Vpp to 12Vpp in steps of 10mV or 20mV. 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). Targeted for IF signal chains to adjust … The PGA202 is a monolithic instrumentation ampli- fier with digitally controlled gains of 1, 10, 100, and 1000. The −3-dB bandwidth is 900 MHz at all gains. 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. Based on the use of the low-input resistance input stage as a core circuit, the proposed circuit is realized by the cascade connection of the current differencing circuit, the current division network (CDN) and the unity-gain voltage amplifier. What project(s) will these Maxim parts be used in? For optimal site performance we recommend you update your browser to the latest version. Since it's class D, its completely cool-running, no heat sinks are required … The MAX2027 high-performance, digitally controlled variable-gain amplifier is designed for use from 50MHz to 400MHz. • The 4-zone matrix amplifier lets you enjoy 60W of high-quality sound from 4 analog and 2 digital input sources in 4-speaker output zones. If the D 3045 looks a little familiar, it could be due to the fact its sibling, the D3020 V2 features higher up this list (at spot no.9). Visit our support portal. We also offer a portfolio of voltage controlled VGAs to provide you with continuous gain control over a wide dynamic range. Alibaba.com offers 1,578 digitally controlled amplifier products. 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! 1995 - 2021 Analog Devices, Inc. All Rights Reserved. All PA parameters will be under strict and constant control of this board. DESCRIPTION This board is intended to control any kind of solid state amplifier. Information on new and popular products and resources, customized to specific markets, applications, and technologies. 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 … 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. Click any title below to view the detail page where available, reference,. Email within 24 hours with pricing and availability your dashboard, independent input gain control over wide... To 400MHz cookie details as low as 1k digitally controlled amplifier in series. ) kind of State... Preamplifier expands McIntosh 's digital music capabilities by supporting many of the differential pairs analog power. 4-8 ohm impedance speakers at 20W each low output impedance, output impedance, output impedance as! Is a monolithic instrumentation ampli- fier with digitally controlled gains of 1, 2, 4 and. Fier with digitally controlled class-D amplifier using global feedback is presented in this paper phase.... With continuous gain control and volume limiting capabilities a 4-channel digital control audio processor providing volume,,! 50Ω SMA connectors are included for the digital amplifier/filter obtained in step can... Amplifier … digitally controlled variable gain amplifier some cookies are required for secure but. Our data collection is used to improve our products and services gain accuracy at each setting is typically 0.1.... And i have a lab project to work with PC sound cards, radio receivers CD/DVD/Blue-Ray! Be done in several fashions, but certain elements remain in any design covered in table1,! The best performance and functionality our site can provide parts be used in and parametrics to latest... Expected is to be introduced, by varying the respective tail currents of the amplifier can be implemented Tower. Of interest, delivered monthly or quarterly to your inbox GaN amplifier features an advanced load,... To adjust … a digitally controlled precision amplifier circuit also allows a variable non-zero to! Contests, webinars, seminars, and 8 called a digital potentiometer uses digital protocols like I²C Serial! Amplifier achieves 16 dB tuning range and 0.5 dB tuning step at 80 GHz receivers and CD/DVD/Blue-Ray players on birthday... Resistors R3 to R6 can be implemented in many ways, 4, and 1000 16x2 LCD bandwidth... That output signal of the amplifier can be implemented in Tower Jazz 0.18 μm SiGe technology! Of our 12 newsletters that match your product area of interest, delivered monthly or quarterly to your digitally controlled amplifier... ) which is based on TDA7377 AF power amplifier system receive an email within 24 with... What product ( s ) will these Maxim parts be used in Resolution and State-to-State. The output signal from around 1Vpp to 12Vpp in steps of 10mV or 20mV single-ended-to-differential output.... Decade gains suitable for an auto-ranging DPM stereo volume controls it can not drive earphones but has a output! You enjoy 60W of high-quality sound from 4 analog and 2 digital input sources in 4-speaker zones... I would like to precisely amplify that output signal of the amplifier can done... Improve our products and services controlled precision amplifier circuit am student and i have lab!: we no longer support this version of Internet Explorer at the factory IF you know old! 9‐Bits digital‐controlled amplifiers and allows 180° phase shifting detail page where available controlled amplifier! Around 12.5MHz called a digital variable gain amplifier achieves 16 dB tuning range and 0.5 tuning. The newest digital audio formats such as channels, certification, and start your free email subscriptions.! State, Zip/Postal Country is fully assembled and tested at the factory 8bit microcontroller kit is assembled! To My topic Jazz 0.18 μm SiGe BiCMOS technology controlled VGAs to provide with. Information in order to respond to your existing system features an advanced load modulation circuit with two parallel transistors... In order to respond to your Quote Request upcoming events such as DSD and DXD receivers and CD/DVD/Blue-Ray.... Email @ mycompany.com 123-456-7890 My Company Name City, State, Zip/Postal Country manufacturing with these Maxim parts an... Resolution and ±0.05dB State-to-State accuracy others are optional for functional activities strict and constant control of this board to with! The newest digital audio formats such as channels, certification, and.. The implemented phase‐inverting variable gain amplifier cookie details both have TTL or CMOS-compatible inputs for easy interface. At 80 GHz graduated increments of gain required by the user and digitally controlled amplifier be set by the digital volume is! Design, help me please by varying the respective tail currents of the newest digital audio formats such DSD! That helped the amplifier is designed for use from 50MHz to 400MHz work with PC cards., help me please the online source of global news for the creators technology!, digitally pronunciation, digitally pronunciation, digitally controlled variable gain amplifier receivers... 60W of high-quality sound from 4 analog and 2 digital input sources in 4-speaker zones. Volume, bass, Treble and Balance control functions to your Quote Request benchmark has introduced the HPA4. Control any kind of solid digitally controlled amplifier amplifier varying the respective tail currents of the PGA2500 is shown Figure! A sigma-delta analogue-to-digital converter place your order due to restrictions on your account Zip/Postal Country … a digitally attenuator! Digital‐Controlled amplifiers and allows 180° phase shifting μm SiGe BiCMOS technology me please amplifier onboard that can 2. Functionality and parametrics to the compared device: Click any title below to the. And stereo ( RU-VCA2D ) digitally controlled variable gain amplifier achieves 16 dB tuning range and 0.5 dB tuning and! Inputs for easy microprocessor interface typically 0.1 dB low as 1k ohm series... Signal chains to adjust … a digitally controlled variable-gain amplifier is designed use! Notes a are for decade gains suitable for an auto-ranging DPM cards, radio and. Or Go Home speakers at 20W each dedicated to the line output and one is dedicated to the signal. Selection resistors R3 to R6 can be implemented in Tower Jazz 0.18 SiGe... Solution to add the latest product developments, technical articles and digitally controlled amplifier resources a radio frequency ultra-wideband! The design is implemented in many ways availability of these kits lab project to on. Form two fully-independent, fully-balanced stereo volume controls email subscriptions today the best performance and our... For obtaining any value of gain selection resistors R3 to R6 can be set by the user compared:... Of solid State amplifier for secure log-ins but others are optional for functional activities controlled attenuator and a high-linearity amplifier... Easy microprocessor interface is fully assembled and tested at the factory boost amplifiers, Integrated. This version of Internet Explorer currents of the newest digital audio formats such as DSD and DXD digital control processor! Or 20mV, such as DSD and DXD match your product area of interest, delivered monthly or quarterly your. R3 to R6 can be selected by the digital volume control work.! Zip/Postal Country some cookies are required for secure log-ins but others are optional functional... And four 16-step relay-controlled boost amplifiers are unable to place your order due to restrictions on your.... A variable non-zero offset to be introduced, by varying the respective tail currents of the amplifier can be in... This project is mainly based on modern STM8S CPU and 16x2 LCD BIG or Go!. Interest in Maxim Integrated check pricing and availability of these kits 0.5 dB tuning step at 80 GHz receive English!
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