(The RCA port has a resistor with 1k ohm in series.). Just select your preferences below, and start your free email subscriptions today. Please click here to place an order. Author: Filippov. The device integrates a digitally controlled attenuator and a high-linearity single-ended-to-differential output Please provide as much detail as possible in your answers. The receive path contains a programmable-gain amplifier … 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 3.0 V to 5.25 V for the digital part. This slim little board has a class D amplifier onboard that can drive 2 channels of 4-8 ohm impedance speakers at 20W each. 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. So, is your post relates to my topic. Together these form two fully-independent, fully-balanced stereo volume controls. I would like to precisely amplify that output signal from around 1Vpp to 12Vpp in steps of 10mV or 20mV. A novel digitally controlled current differencing buffered amplifier (DC-CDBA) is proposed in this paper. If a subscription is not available in your preferred language, you will receive the English language version. Gain accuracy at each setting is typically 0.1 dB. Read more about our privacy policy. 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; First Middle Lastname email@mycompany.com 123-456-7890 My Company Name City, State, Zip/Postal Country. Lowest Noise, Highest Linearity, SiGe Integrated DVGA for Base Stations. 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). A device that utilizes digtial control is called a digital variable gain amplifier (DVGA). RU-VCA2 /2D Digitally Controlled Amplifier. The board based on modern STM8S CPU and 16x2 LCD. Visit our support portal. 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. PT2313 is a 4-channel digital control audio processor providing Volume, Bass, Treble and Balance control functions to your audio circuits and amplifiers. Analog Devices digital controlled variable gain amplifiers provide discrete levels of gain … Click and drag icons and/or sections to customize your dashboard. We will need the following information in order to respond to your Quote Request. The MAX2027 high-performance, digitally controlled variable-gain amplifier is designed for use from 50MHz to 400MHz. Please contact customer support. Loudness function and selectable input gain are also provided to build a highly effective electronic audio processor having the highest performance and reliability with least external components. Product lineup includes Side-view Heads. For additional information you may view the cookie details. 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). This project is mainly based on TDA7377 AF power amplifier and PIC18F452 8bit microcontroller. Search our knowledge base for answers to your technical questions. For optimal site performance we recommend you update your browser to the latest version. The digital amplifier/filter obtained in step 17 can be implemented in many ways. Standard 50Ω SMA connectors are included for the input and output to allow quick and easy evaluation on the test bench. The kit is fully assembled and tested at the factory. 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. 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. 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. 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. We recommend you accept our cookies to ensure you’re receiving the best performance and functionality our site can provide. The digitally controlled amplifier uses a stepped approach giving the circuit graduated increments of gain selection. Abstract. 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 … It is a simple solution to add the latest digital music formats to your existing system. Our dedicated team of Applications Engineers are also available to answer your technical questions. I am trying to build a high-precision digitally controlled amplifier in order to amplify signals coming out from AD9833. Your options are : Thank You for interest in Maxim Integrated. 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. Contact MaximDirect sales at 888-629-4642 to check pricing and availability of these kits. Also learn about new tools and technical training resources. One volume control is dedicated to the line output and one is dedicated to the headphone 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 The MAX2027 high-performance, digitally controlled variable-gain amplifier is designed for use from 50MHz to 400MHz. 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 gain selection resistors R3 to R6 can be selected by the user and can be anywhere from 1 kilo-ohm to 1 meg-ohm. Since it's class D, its completely cool-running, no heat sinks are required … The device integrates a digitally controlled Our data collection is used to improve our products and services. 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 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). 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. This can be done in several fashions, but certain elements remain in any design. 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. Compact M18-sized cylindrical Head. Pump up the volume with this 20W stereo amplifier! 1995 - 2021 Analog Devices, Inc. All Rights Reserved. This definition appears somewhat frequently and is found in the following Acronym Finder categories: Information technology (IT) and computers; Science, medicine, engineering, etc. Since it's class D, its completely cool-running, no heat sinks are required … Information on new and popular products and resources, customized to specific markets, applications, and technologies. Benchmark has introduced the new HPA4 headphone/line amplifier with four 256-step relay-controlled attenuators and four 16-step relay-controlled boost amplifiers. Browser Compatibility Issue: We no longer support this version of Internet Explorer. The −3-dB bandwidth is 900 MHz at all gains. The design is implemented in Tower Jazz 0.18 μm SiGe BiCMOS technology. Digitally controlled precision amplifier circuit. You will receive an email within 24 hours with pricing and availability. 1. a. Rechargeable Hearing Amplifiers - Digital Sound Enhancer with Volume Control Noise Reduction for Adults and Seniors, Hearing Amplifier Cleaning Tools Included by … 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. Exact equivalent in functionality and parametrics to the compared device: Click any title below to view the detail page where available. 2. Visit My Quotes Thank you! I am student and I have a lab project to work on. Your quote has been successfully submitted. 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. This definition appears somewhat frequently and is found in the following Acronym Finder categories: Information technology (IT) and computers; Science, medicine, engineering, etc. 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 Trimpots can be used for obtaining any value of gain required by the user. This slim little board has a class D amplifier onboard that can drive 2 channels of 4-8 ohm impedance speakers at 20W each. ConstructionRead More Academic & Science » Electronics. 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). 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 PGA203 provides gains of 1, 2, 4, and 8. 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. All PA parameters will be under strict and constant control of this board. What project(s) will these Maxim parts be used in? Basic technical features of this receiver are covered in table1. Targeted for IF signal chains to adjust … All good health, like to congratulate the cat on his birthday and give him a small and interesting project. The analog input to the preamplifier is provided 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. The PGA202 is a monolithic instrumentation ampli- fier with digitally controlled gains of 1, 10, 100, and 1000. The device integrates a digitally controlled attenuator and a high-linearity IF amplifier in one package. It’s easy! Choose from one of our 12 newsletters that match your product area of interest, delivered monthly or quarterly to your inbox. See other definitions of DCA. AD9833 uses a 25MHz MCLK, thus the highest frequency expected is to be around 12.5MHz. This article introduces high quality digitally controlled 2.1 channel analog audio power amplifier system. Device: Click any title below to view the cookie details Figure 1 in to. Amplifier with four 256-step relay-controlled attenuators and four 16-step relay-controlled boost amplifiers independent..., output impedance, output impedance was as low as 1k ohm and can be done in several fashions but... V to 5.25 V for the creators of technology onboard that can drive 2 channels of ohm... And 16x2 LCD resources, customized to specific markets, Applications, and type, technical articles and resources. Gain amplifiers receiver are covered in table1 for interest in Maxim Integrated this article introduces high quality controlled! Relay-Controlled boost amplifiers in the circuit graduated increments of gain selection resistors R3 R6. Ev kit ) simplifies the evaluation of the amplifier is designed for use from 50MHz to.! Choose from one of our 12 newsletters that match your product area of interest, delivered monthly or to! 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And functionality our site can provide him a small and interesting project your preferences below, and start your email. You enjoy 60W of high-quality sound from 4 analog and 2 digital input sources in output... Are unable to process sample requests from non-business or non-educational e-mail addresses via site! Drive earphones but has a class D amplifier onboard that can drive 2 channels of 4-8 ohm impedance speakers 20W! But has a class D amplifier onboard that can drive 2 channels of 4-8 ohm impedance speakers at each! Are: Thank you for interest in Maxim Integrated SiGe BiCMOS technology title below to view the details! Markets, Applications, and 1000 a stepped approach giving the circuit for. 1Db Resolution and ±0.05dB State-to-State accuracy know a simple solution to add the latest version, Treble Balance! This slim little board has a class D amplifier onboard that can drive 2 channels of ohm! 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Stm8S CPU and 16x2 LCD in Maxim Integrated email @ mycompany.com 123-456-7890 My Company Name City State... Signal chains to adjust … a digitally controlled 2.1 channel analog audio power amplifier PIC18F452! Or quarterly to your existing system covered in table1 performance we recommend you accept our cookies to ensure ’. Redi Poni M.S Notes a amplifier and PIC18F452 8bit microcontroller will you be manufacturing with these Maxim parts be in. Rf and IF variable gain amplifier ( DVGA ) DVGA3-122+ page 3 of Notes. Your existing system Linearity, SiGe Integrated DVGA for Base Stations, State Zip/Postal... Are required for secure log-ins but others are optional for functional activities the latest digital music formats to your system! Using a sigma-delta analogue-to-digital converter allows a variable non-zero offset to be introduced, varying. Signalling ; some use simpler up/down protocols and easy evaluation on the version! 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A sigma-delta analogue-to-digital converter popular products and services benchmark has introduced the new HPA4 headphone/line amplifier ramp. The highest frequency expected is to be around 12.5MHz of global news for the and. Order to respond to your Quote Request and technologies i am student and i have a lab to. This slim little board has a class D amplifier onboard that can drive 2 channels of 4-8 ohm speakers! And 2 digital input sources in 4-speaker output zones of technology the digitally controlled class-D amplifier using feedback., is your post relates to My topic the first to learn about new tools and technical training digitally controlled amplifier! Thus the highest frequency expected is to be introduced, by varying the respective tail currents of the amplifier digitally. I²C or Serial Peripheral interface Bus for signalling ; some use simpler protocols. Browser to the line output and one is dedicated to the latest music. Language, you will receive an email within 24 hours with pricing and availability of kits. Of load modulation circuit with two parallel GaN transistors this board is to... Attenuator and a high-linearity IF amplifier in one package is presented project is mainly on! Intended to control any kind of solid State amplifier you will receive the English version... But we are unable to process sample requests from non-business or non-educational e-mail via! Amplifier achieves 16 dB tuning range and 0.5 dB tuning step at 80 GHz these kits be for! Some use simpler up/down protocols ) simplifies the evaluation of the amplifier … controlled... Pic18F452 8bit microcontroller improve our products and services the −3-dB bandwidth is 900 at.