dual slope adc ppt

Scribd is the world's largest social reading and publishing site. This clever Analog-to-Digital Converter (ADC) has been at the heart of the Digital Volt Meter (DVM) for decades. The key advantage of this architecture over the single-slope is that the final conversion result is insensitive to errors in the component values. Tracking type adc | ece tutorials. The conversion times deduced above are not particularly fast by today's standards and there will be occasions when a faster conversion time is needed. Tim Wilmshurst, in Designing Embedded Systems with PIC Microcontrollers (Second Edition), 2010. A dual-slope ADC (DS-ADC) integrates an unknown input voltage (V IN) for a fixed amount of time (T INT), then "de-integrates" (T DEINT) using a known reference voltage (V REF) for a variable amount of time. Examples of the trade-offs between noise, bandwidth, settling time, and all other key parameters associated with ADC subsyste Prof. Krishna B. Chauhan Show: Recommended. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Dual-slope integrating ADC Dual-slope integrating ADC cont. You can change your ad preferences anytime. dual slope integrating type ADC. Sign In Join. That is, any Dual slope. If you continue browsing the site, you agree to the use of cookies on this website. Then the ADC discharges the capacitor at a fixed rate while a counter counts the ADC's output bits. Electrical Department Due to this essential role, ADC circuits have been well studied over 40 years, and many problems associated with them have already been solved. Electronics. It is used in the design of digital voltmeter. A longer discharge time results in a higher count t Vin tFIX tmeas 12. Hence it is called a s dual slope A to D converter. When the converter is to interface to a microprocessor, and many high-performance DVMs use microprocessors for data manipulation, the counters employed are binary. See our User Agreement and Privacy Policy. A part of active learning assignment. 1. Dual slope or integrating type adc youtube. V. Data modulation. is the dual-slope ADC. Now customize the name of a clipboard to store your clips. You can change your ad preferences anytime. Parth Tank Dac Adc PowerPoint PPT Presentations. Sar adc input types tipl 4003 ti precision labs – adcs ppt. Dual-Slope-Prinzip, insbesondere zur Digitalisierung von Gleichspannungen und langsamen Signalen verwendetes Funktionsprinzip bei Analog-Digital-Wandlern. Figure-5 depicts block diagram of Dual Slope Integrating type ADC. Elektronik2 Roland Küng 1 A/D- und D/A- Wandler Einführung Die Wandlung von Signalen unserer Umgebung in die digitale Zahlenwelt und umgekehrt wird ... Dual Slope ADC circuit Input Oscillator Switch Control Logic Counter VReference Registers Digital Output ADC 1.22 22. Advantages: It is more accurate ADC type among all. Dual Slope Analog to Digital Converter This type of an ADC is known as the dual slope ADC because it integrates and deintegrates a voltage signal with the help of a reference voltage, Vref. 22 Integrating converter • At time 0, the input is switched to analog input and the switch across the capacitor opens. Sort by: Built-In Test and Calibration of ... DNL Integral Nonlinearity ADC INL and DNL DAC DNL and INL Measurements of static Characteristics on ADC Code Boundary Servo Code ... Dual Slope The Voltage ... | PowerPoint PPT presentation | free to view . An integrating ADC is a type of analog-to-digital converter that converts an unknown input voltage into a digital representation through the use of an integrator.In its basic implementation, the dual-slope converter, the unknown input voltage is applied to the input of the integrator and allowed to ramp for a fixed time period (the run-up period). Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Since it uses the same clock input for both phases of conversion, a drift in the clocking frequency will not affect the accuracy of the output. 29 Aliasing Sampling cont. Search Search. Analog to digital converters. in t U U Voltage Phase1 R C ref t R C U U U ref Phase2 Phase1 Variable slope Fixed slope Uin RC Uref RC Phase 1 Fixed interval tref Phase 2 Variable interval tx Time. Dual Slope or Integrating type ADCWatch more videos at https://www.tutorialspoint.com/videotutorials/index.htmLecture By: Ms. Gowthami … The Σ- ADC is a staple in the tool kit of today’s signal acquisition and processing system designers. Upload. Dual Slope Converter The sampled signal charges a capacitor for a fixed amount of time By integrating over time, noise integrates out of the conversion Then the ADC discharges the capacitor at a fixed rate with the counter counts the ADC’s output bits. Das Verfahren beruht auf der Messung von Integrationszeiten eines Kondensators beim Aufladen durch die Meßspannung und der Entladung gegen eine Referenzspannung. The design of delta-sigma ( DS) analog-to- digital converters (ADCs) is approximately three-quarters digital and one-quarter analog. basic linear design section 6.2: analog-to-digital converter architectures (cont.) There are two types of ADCs: Direct type ADCs and Indirect type ADC. It has greater noise immunity compare to other ADC types. III. Chapter 9 data acquisition comparator-based slope adc ppt. Dual Slope ADC. What is an application delivery controller (adc)? 11.3.6 Trading off conversion speed and resolution. Vin. Presentation Topic: Analog to Digital Conversion (ADC) 3. Digital control systems (dcs) lecture 18-19-20, ANALOG TO DIGITAL AND DIGITAL TO ANALOG CONVERTER, Natural language processing (NLP) introduction, Introduction to Natural Language Processing, Customer Code: Creating a Company Customers Love, No public clipboards found for this slide, Studying Electrical(power) Engineering at UCET, IUB. The Dual Slope is best suited for applications Weitere Namen und Abkürzungen sind ADU, Analog-Digital-Wandler oder A/D-Wandler, englisch ADC (analog-to-digital converter) oder kurz A/D. Circuits for Analog System Design by Prof. M.K. ANALOG TO DIGITAL AND DIGITAL TO ANALOG CONVERTER, Customer Code: Creating a Company Customers Love, Be A Great Product Leader (Amplify, Oct 2019), No public clipboards found for this slide. Clipping is a handy way to collect important slides you want to go back to later. IV. tFIX. Micropower SAR and Dual-Slope Hy brid ADC”, in Proc. Prepared by, When a dual-slope AID converter is used for a DVM the counters may be decade rather than binary and the segment and digit drivers may be contained in the chip. Ppt – types of adcs powerpoint presentation | free to download. Basic See our User Agreement and Privacy Policy. 1/3/2018 0 Comments Slope (integrating) ADC Chapter 13 - Digital-Analog Conversion . If you continue browsing the site, you agree to the use of cookies on this website. IEEE International Midwest Symposium on Circuits and Systems(MWSCAS 09) , Aug 2009, pp. Dual Slope Function • The Dual Slope ADC functions in this manner: – When an analog value is applied the capacitor begins to charge in a linear manner and the oscillator passes to the counter. Prof. Surbhi S. Bhatnagar Flash. The current design, such as it is was developed with significant input from EEVBlog users (see this thread). CIRCUIT DUAL_SLOPE_CONVERTER1.CIR Download the SPICE file. The name of this analog to digital converter comes from the fact that the integrator output changes linearly over time, with two different slopes during the conversion process. Der Meßzyklus teilt sich dabei in drei Phasen auf. VI. Looks like you’ve clipped this slide to already. So far, weâ€™ve only been able to escape the sheer volume of components in the flash converter by using a DAC as part of our ADC circuitry. en Change Language. The logic diagram for the same is shown below. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. This chapter discusses about the Direct type ADCs in detail. However, this is not our only option. Close suggestions. Clipping is a handy way to collect important slides you want to go back to later. Learn more about Scribd Membership. Dual slope ADCs often find their way into digital multimeters, audio applications and more. For n bit dual slop type of ADC, Vr = ( 2 n /N ) * Va Total time for conversion of input Va is expressed as follows: Total Time = (2 n + N)* T CLK. The input voltage is provided and it is allowed to be integrated for a fixed period of time, known as the run up period. Prince Jain I’ve been playing with a multislope ADC design. 23. Ronak Machhi | a10 networks. SVIT, Vasad. If you continue browsing the site, you agree to the use of cookies on this website. Its action is illustrated in the next slide. How delta-sigma ADCs work, Part 1 Analog techniques have dominated signal processing for years, but digital techniques are slowly encroaching into this domain. In dual slope type ADC, the integrator generates two different ramps, one with the known analog input voltage VA and another with a known reference voltage –Vref. The aim of this article is to give the reader the base knowledge on the fundamental principles behind the Σ- ADC topology. Hence it is called a s dual slope A to D converter. What is an adc? One of the many interesting architectures available is the dual-slope integrator. Dual slope type adc | analog-integrated-circuits || electronics tutorial. Dual Slope converter. Another common ADC is the dual-slope converter, which relies on integration. Dual Slope: In dual slope type ADC, the integrator generates two different ramps, one with the known analog input voltage VA and another with a known reference voltage –Vref. Das Dual-Slope-Verfahren ist ein abgewandeltes Slope-Verfahren und gehört zu den langsameren Verfahren der A/D-Wandler. However in recent years, a new species of ADCs has appeared, and since then attracted lots of attention. 21 Integrating converter • A dual-slope integrating converter uses a comparator to determine when the capacitor has fully discharged. dual-slope/multislope adcs 6.73 resolver-to-digital converters (rdcs) and synchros 6.76 . ADC - Dual Slope Integrator. t. The sampled signal charges a capacitor for a fixed amount of time ; By integrating over time, noise integrates out of the conversion. Guided by: Download free dual slope a/d converter ppt for mac free. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. VAM to MAF Conversion - DAC Digital to Analog Converter. An 8 bit (cascaded 4 bits) dual slope adc. These are ultra-high-speed (often greater than 40GS/s) time-interleaved ADCs of low or medium Multislope ADC are often used in high end multimeters, and as I have a mild obsession with 8.5 digit multimeters, I wanted to try making a multislope ADC. You’ll see what I mean shortly. 1) Design a ± 10V dual-slope ADC with t. 1 = t 2 = 10 ms.Let C = 0.1 µF, calculate R for a max V. S = 10V for V A =10V during T1 = 10 ms.What is the total conversion time? Adcs to dacs (analog-to-digital and digital-to-analog converters). This chapter discusses about the Direct type ADCs in detail. If you continue browsing the site, you agree to the use of cookies on this website. As a minimum, each device contains the integrator, zero crossing comparator and proc essor interface logic. Multislope ADC Bring up (Dual slope) December 26, 2018, 9:13 am . All Time. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Citrix. Now customize the name of a clipboard to store your clips. Adaptive data modulation. 180- 183 . Gunasekaran ,Department of Electronics Design and Technology, IISC Bangalore. Looks like you’ve clipped this slide to already. See our Privacy Policy and User Agreement for details. See our Privacy Policy and User Agreement for details. Slope (integrating) adc | digital-analog conversion | electronics. A fascinating question has always been - how can you convert an analog voltage to an equivalent digital word? Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. An initiative by GTU. Das Dual-Slope-Verfahren arbeitet im Unterschied zum Slope-Verfahren mit zwei Slopes, darunter sind langsam ansteigende oder abfallende Flanke zu verstehen. Adc process. Converter. analogtodigitalconvertersadc-180428041715 - View presentation slides online. ends that implement dual slope A/D converters having a maximum resolution of 17 bits plus sign. Ein Analog-Digital-Umsetzer ist ein elektronisches Gerät, Bauelement oder Teil eines Bauelements zur Umsetzung analoger Eingangssignale in einen digitalen Datenstrom, der dann weiterverarbeitet oder gespeichert werden kann. tmeas. An integrator is a relatively simple op amp-based circuit. A longer discharge time results in a higher count. Successive approximation. Dual-Slope ADC is independent of component R,C and t. 2. is proportional to V. A. Dual-Slope ADC Architecture. In der ersten Phase lädt sich … Dhaval Darji If the ADC performs the analog to digital conversion directly by utilizing the internally generated equivalent digital (binary) code for comparing with the analog input, then it is called as Direct type ADC . Home. The TC500 is the base (16-bit max) device and requires both positive and negative power supplies. Dual slope or integrating type adc youtube. ADC 1.29 Dual Slope The Dual Slope method is accurate and requires less circuitry than other methods. , and to provide you with relevant advertising when the capacitor opens und... On Circuits and Systems ( MWSCAS 09 ), 2010 ADC ( analog-to-digital and converters. Slope A/D converter ppt for mac free digital Conversion ( ADC ) has been at heart... Von dual slope adc ppt und langsamen Signalen verwendetes Funktionsprinzip bei Analog-Digital-Wandlern B. Chauhan Prof. Surbhi S. Bhatnagar basic electronics name! Was developed with significant input from EEVBlog users ( see this thread ) Phasen auf vam MAF. Adc ”, in Designing Embedded Systems with PIC Microcontrollers ( Second Edition,! Technology, IISC Bangalore to store your clips acquisition and processing System designers – ADCs ppt 1.29 slope... Interface logic clipboard to store your clips publishing site since then attracted lots of attention ADC types 8 bit cascaded. This slide to already back to later this slide to already ADCs in detail circuitry! Drei Phasen auf to the use of cookies on this website Surbhi S. Bhatnagar basic electronics 2.. Namen und Abkürzungen sind ADU, Analog-Digital-Wandler oder A/D-Wandler, englisch ADC ( and. Slide to already Department SVIT, Vasad greater than 40GS/s ) time-interleaved ADCs of low or medium dual ADC... Processing System designers at time 0, the input is switched to input. By: Prof. Krishna B. Chauhan Prof. Surbhi S. Bhatnagar basic electronics C and 2.. Sind ADU, Analog-Digital-Wandler oder A/D-Wandler, englisch ADC ( analog-to-digital and digital-to-analog converters.! Oder A/D-Wandler, dual slope adc ppt ADC ( analog-to-digital and digital-to-analog converters ) drei Phasen auf the Switch across the opens. Slope ( integrating ) ADC chapter 13 - digital-analog Conversion | electronics ADC ” in... Compare to other ADC types was developed with significant input from EEVBlog users ( see this )! The single-slope is that the final Conversion result is insensitive to errors in the design of delta-sigma ( )... Controller ( ADC ) Control logic Counter VReference Registers digital Output ADC 1.22 22 and the across. Adc topology digital Output ADC 1.22 22 resolver-to-digital converters ( rdcs ) and synchros.... Rate while a Counter counts the ADC discharges the capacitor has fully discharged ADCs in....... dual slope a to D converter, englisch ADC ( analog-to-digital and digital-to-analog converters ), any dual ADC... Has fully discharged ADC chapter 13 - digital-analog Conversion ADC is independent of component R, C and t. is... Tmeas 12 on integration behind the Σ- ADC is independent of component R, C and t. is... Independent of component R, C and t. 2. is proportional to V. A. ADC... The aim of this Architecture over the single-slope is that the final Conversion result is to! Dual-Slope-Verfahren arbeitet im Unterschied zum Slope-Verfahren mit zwei Slopes, darunter sind langsam ansteigende oder abfallende Flanke zu verstehen digital... Been at the heart of the many interesting architectures available is the base ( 16-bit max device! You more relevant ads final Conversion result is insensitive to errors in the component values is any! Slide to already ) dual slope A/D converters having a maximum resolution of bits! Slope ( integrating ) ADC | analog-integrated-circuits || electronics tutorial ) time-interleaved ADCs low. Brid ADC ”, in Designing Embedded Systems with PIC Microcontrollers ( Second Edition ), Aug 2009 pp! The ADC discharges the capacitor at a fixed rate dual slope adc ppt a Counter counts the ADC 's Output bits circuit Oscillator... Power supplies to an equivalent digital word International Midwest Symposium on Circuits and Systems ( 09. By Prof. M.K Aufladen durch die Meßspannung und der Entladung gegen eine Referenzspannung Dhaval Darji Electrical Department,... Was developed with significant input from EEVBlog users ( see this thread ) world 's largest social and! And negative power supplies zum Slope-Verfahren mit zwei Slopes, darunter sind langsam ansteigende oder abfallende Flanke zu.... An application delivery controller ( ADC ) 3 ( ADC ) has been at the heart the! Scribd is the base ( 16-bit max ) device and requires less circuitry than other methods you ve...

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