Analog to digital converter

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Topic: Analog to digital converter

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	Analog to Digital Conversion
		It is typical for an ADC to use a digital-to-analog converter (DAC) to determine one of the inputs to the comparator.
		Conversion from analog to digital form inherently involves comparator action where the value of the analog voltage at some point in time is compared with some standard.
		The successive approximation ADC is much faster than the digital ramp ADC because it uses digital logic to converge on the value closest to the input voltage.
	hyperphysics.phy-astr.gsu.edu /hbase/electronic/adc.html (336 words)

	Digital-to-analog converter - Wikipedia, the free encyclopedia
		In electronics, a digital-to-analog converter (DAC or D-to-A) is a device for converting a digital (usually binary) code to an analog signal (current, voltage or charges).
		Video signals from a digital source, such as a computer, must be converted to analog form if they are to be displayed on an analog monitor.
		A device that is distantly related to the DAC is the digitally-controlled potentiometer, used to control an analog signal digitally.
	en.wikipedia.org /wiki/Digital-to-analog_converter (1405 words)

	Howstuffworks "How Analog and Digital Recording Works"
		The analog wave produced by the DAC will also be very similar to the original analog wave if the analog-to-digital converter sampled at a high rate and produced accurate numbers.
		To accomplish these two goals, digital recording converts the analog wave into a stream of numbers and records the numbers instead of the wave.
		The analog wave produced by the DAC is amplified and fed to the speakers to produce the sound.
	electronics.howstuffworks.com /analog-digital3.htm (542 words)

	EE Times UK - Understanding analog to digital converter specifications
		ADC measurements deviate from the ideal due to variations in the manufacturing process common to all integrated circuits (ICs) and through various sources of inaccuracy in the analog-to-digital conversion process.
		ADCs convert an analog signal input to a digital output code.
		The transfer function of an ADC is a plot of the voltage input to the ADC versus the code's output by the ADC.
	www.eetuk.com /tech/news/jb/showArticle.jhtml?articleID=159905282 (2636 words)

	Two-stage pipelined recycling analog-to-digital converter (ADC) (US6195032)
		The ADC element converts the analog voltage input to the sub-stage into B digital bits, where B is a low number such as 1, 1.5, or 2.
		These digital bits are re-converted back to an analog DAC voltage by the DAC element.
		The analog output from the last sub-stage is recycled back to the first sub-stage for the next clock and another 2B bits are converted in the next clock period.
	www.delphion.com /details?pn=US06195032__ (603 words)

	Using Sine Wave Histograms to Estimate Analog-to-Digital Converter Dynamic Error Functions (ResearchIndex)
		Dynamic Compensation of Digital to Analog Converters - Riley Hummels Irons (1998)
		0.4: Dynamic Compensation of Digital to Analog Converters - Riley Hummels Irons (1998)
		The error models may be used to digitally compensate for nonlinearities introduced by the converter.
	citeseer.ist.psu.edu /352802.html (404 words)

	AD Converter: Camera System: Glossary: Learn: Digital Photography Review
		This 8 bit Analog to Digital Converter (ADC) "samples" the analog voltages into 256 discrete levels which are assigned a binary label consisting of zeros and ones.
		That electrical charge is converted to a voltage which is amplified to a level at which it can be processed further by the Analog to Digital Converter (ADC).
		The ADC classifies ("samples") the analog voltages of the pixels into a number of discrete levels of brightness and assigns each level a binary label consisting of zeros and ones.
	www.dpreview.com /learn/key=AD_Converter (502 words)

	Analog Devices: Press Releases: New Analog Devices Analog-To-Digital Converter Packs Speed And Precision Into Industry’s Smallest 18-Bit Device
		Celebrating 40 years as a leading global manufacturer of high-performance integrated circuits used in analog and digital signal processing applications, Analog Devices is headquartered in Norwood, Massachusetts, with design and manufacturing facilities throughout the world.
		Analog Devices' common stock is listed on the New York Stock Exchange under the ticker “ADI” and is included in the S&P 500 Index.
		ADI’s data converters are used widely in consumer electronics, broadband and wireless communications, automotive systems, industrial equipment and medical electronics, as well as a host of other emerging market applications.
	www.analog.com /en/press/0,2890,3__87583,00.html (833 words)

	HC11 Analog to Digital Converter (ADC)
		The user can convert to digital, analog voltages ranging from 0 volts to 5 volts in magnitude.
		Analog voltages are infinite but the ADC can only see 256 values from the infinite gamma.
		If on the other hand, the values need to be read as they are converted (each 32 E clock cycles instead of waiting for the CCF to set), the user could use the timer to account for the time lapsed from the sequence issue to the desired conversion and read the respective Data Register (i.e.
	www.mcumaster.com /hc11/Block/ADC/adc.html (1019 words)

	dbx 386 Dual Tube Mic Preamp Analog-to-Digital Converter
		By going balanced analog into the line in of the 386, and going out digitally into the DAT recorder, I was able to record a hotter, more friendly sounding mix.
		Despite the fact that, as of the last time I checked, our ears and vocal cords are analog, audio consumers are now able to buy "digital microphones," "digital speakers," "digital power amplifiers" and "digital microphone preamplifiers." While sometimes it makes sense, other times you just have to scratch your head.
		Control over the analog and digital output level is accomplished via separate knobs, and a 12-stage LED output meter is selectable between the two outputs.
	www.proaudioreview.com /par/october00/dbx-Web.shtml (1483 words)

	Analog-to-Digital Converter - Model 8715 - CANBERRA, An AREVA Group Company
		The 8715 ADC is fully compatible with all current CANBERRA MCAs (with external ADC interface options), Digital Stabilizer and Analog Multiplexers.
		Concentric Gain and Range controls together with Digital Offset allow the user to maximize the use of limited MCA memory by selecting only the specific energy range of interest.
		This highly linear, 8K ADC contributes no system dead time to spectroscopy systems using traditional Gaussian or Triangular Shaping amplifiers.
	www.canberra.com /products/1109.asp (380 words)

	analog-to-digital converter
		the output signal is sent to a digital-to-analog converter.
		The input signal is directly taken from an analog-to-digital converter, and
		and one or more digital signal processors that are used to process the signals
	www.faqs.org /docs/sp/sp-160.html (294 words)

	Linux Analog to Digital Converter LG #118
		Figure 1 below shows a simple circuit diagram that converts the analog signal produced by the thermistor to a digital BCD signal, which is read by the computer via the parallel port.
		We only needed to use one ADC, which converted the analog voltage signals from the temperature and light variable resistors to digital signals.
		It can be a little expensive to read analog signals, for example temperature readings or light levels, into your computer.
	linuxgazette.net /118/chong.html (1742 words)

	Analog to Digital Converter with 16 bits and 448000 Samples per second based in the Bt878A
		When Brooktree (now Conexant) designed this new device, they included a build-in low frequency ADC, with the objective of digitalize the sound signals (and audio sub carriers) coming from the tuner to be later on demodulated by software (obtaining the FM Stereo, TV Stereo, RDS, MTS, etc.) using the operating system driver.
		Since the audio data path operates in continuous transfer mode (no sync gaps), both the analog and the digital audio inputs can be used for other data capture applications.
		If your board does not use the ADC inputs (they are not connected to any copper track) I suggest not to use it, because it's very difficult to solder in a SMD chip and you will need tools that are hard to find.
	www.domenech.org /bt878a-adc/index-e.htm (2173 words)

	Analog-to-Digital Converter optimizes receiver performance., Linear Technology Corp
		Linear Technology products include high performance amplifiers, comparators, voltage references, monolithic filters, linear regulators, DC-DC converters, battery chargers, data converters, communications interface circuits, RF signal conditioning circuits, and many other analog functions.
		The second feature is a digital output randomizer that dramatically reduces unwanted tones caused by digital feedback.
		The LTC2208 family innovates ADC technology for digital receivers by incorporating two unique features that simplify receiver design and improve system performance.
	news.thomasnet.com /fullstory/467810 (1030 words)

	eBay - analog ..., Watches, Networking items on eBay.com
		INTEGRATED ELECTRONICS Analog and Digital Circuits and syst
		Shock Resistant DIGITAL Analog PINK G Baby WATCH AMX11
		Analog Maytag Clamp on Ammeter Meter 50 amp 300v
	search-desc.ebay.com /search/search.dll?query=analog+...&newu=1&krd=1 (512 words)

	New Analog To Digital Video Converter Available The Mac Observer
		The new converter allows users to take advantage of the ultra-fast speeds of their FireWire ports to convert digital movies for recording on an analog device.
		Miglia Technology Limited today announced that it is shipping a PAL/NTSC analogue to digital video (and reverse) converter, Miglia DirectorÍs Cut.
		The Director's cut will also enable Digital Video editors to export their finished movies to any analogue video device, such as VHS tape for easy distribution to friends, family and even business partners.
	www.macobserver.com /article/2001/06/14.10.shtml (770 words)

	Digital phone system - Amazon.com: Konexx Konference - Connect Conference Unit To Digital
		Unlike analog, digital phones transmit their sound/information in a binary "The main reason for buying a digital system is that these systems tend to be
		Seller of analog and digital phone systems, voice processing systems and key service units.
		An American standard for digital mobile telephony that evolved from the AMPS analog mobile telephony system.
	ip-phones.allinfosites.com /q/ip-phones-digital-phone-system.htm (819 words)

	Find in a Library: A 12-b 50Msample/s pipeline analog to digital converter.
		A 12-b 50Msample/s pipeline analog to digital converter.
		Find in a Library: A 12-b 50Msample/s pipeline analog to digital converter.
		WorldCat is provided by OCLC Online Computer Library Center, Inc. on behalf of its member libraries.
	worldcatlibraries.org /wcpa/ow/0d11feea96d04638a19afeb4da09e526.html (63 words)

	analog ... digital converter Video Editing/Capture Cards - Compare Prices and Reviews - Shop Smart at Shopzilla!
		digital converter Video Editing/Capture Cards - Compare Prices and Reviews - Shop Smart at Shopzilla!
		Canopus Advanced Digital Video Converter ADVC100 Video conve...
		We help you find the best deals on the biggest selection of products from all of the top-rated stores.
	shopzilla.com /7Y_-_cat_id--423__keyword--analog+...+digital+converter (190 words)

	Analog-Digital Converter analog to digital signals
		2 x RCA analog IN to 1 x optical digital signal OUT plus
		Converter Toslink jack (socket) to RCA jack (socket)
		Toslink cable plug to plug, 2.2mm and 4.0mm
	www.amabilidade2002.com /toslink2.htm (77 words)

	RedOrbit Store - Canopus ANALOG TO DIGITAL CONVERTER : CANOPUS : 77010138100
		ADVC55 is a compact and easy to use digital video converter compatible with Windows and Mac OS computers.
		Use ADVC55 to connect VHS, Hi8 and other analog video equipment to a DV camera, deck or editing system.
		ADVC55 is ideal for capturing analog video into FireWire-equipped notebook and desktop editing computers.
	shopping.redorbit.com /product.php?productid=7581748 (349 words)

	Analog Video Digital Converter - Compare Prices, Reviews and Buy at NexTag - Price - Review
		related searches:digital to analog converters,digital video converter,analog to digital video converter,analog converter,advc canopus,canopus,advc110,analog video capture card,digital converters,digital to analog adapter,analog digital timex watch,analog digital clock,vga to s video converter,converter pal ntsc video,digital converter tv box,s-video/composite video to vga converter with tuner,digital video mixer,digital video cameras,camera digital dxg video,digital video creator
		Aja D10AD Analog to Digital Video Converter (Encoder), Component and Composite Ana...
		Aja D5D Analog to Digital Video Converter (Encoder), Composite / S-Video NTSC PAL...
	www.nextag.com /analog-video-digital-converter/search-html (190 words)

	ADS PYRO A/V Link Analog to digital converter
		The PYRO A/V Link analog to DV converter features a High-Quality Digitizing Chip and Advanced Audio Lock Technology allowing you to bring analog video into your computer as high quality DV.
		Just connect the unit to your FireWire port and use your Digital Video editing software to capture and edit analog video!
		PYRO A/V Link - Analog to DV Converter from ADS Technologies
	www.cwol.com /firewire/pyro-av-link.htm (211 words)

	Buy.com - The Internet Superstore
		With Digital Answering System and Caller ID Our Price:
		PRIVACY DRIVE - 1GB High Speed USB Flash Drive 2.0 W/Portable Vault Software
	buy.com /prod/Xitel_INport_Analog_to_Digital_Converter_Box/q/loc/101... (107 words)

	Tutorial - Experiment 9 - Analog To Digital Conversion
		The ADC0809 analog to digital converter's clock input is connected to pins 6 and 13, where the stages are connected together and where the input is divided by 16.
		The compliment to the digital to analog converter is the analog to digital converter.
		It is useful to note that the digital data produced by an analog to digital converter is only approximately proportional to the analog input.
	www.learn-c.com /experiment9.htm (4200 words)

	Analogue-to-digital converters, digital-to-analogue converters, and digital modulators - Patent 5341135
		Sigma-delta A-D converters include quantizing means for producing a digital output, oversampled relative to the signal bandwidth, and a feedback loop for feeding back a signal derived from the digital output to be combined with the analog input for input to filter means, the output of the filter means being connected to the quantizing means.
		An analog-to-digital converter as claimed in claim 1, wherein the output of the error filter means is connected to an amplifier, the output of the amplifier being connected to the second quantizing means.
		The analog outputs of digital-to-analog converters 132, 133 are added in adder 135 after the output of converter 132 is attenuated by an amount equal to the combined gain of error filter 110 and amplifier 111 in attenuator 134.
	www.freepatentsonline.com /5341135.html (3669 words)

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In the News (Fri 5 Sep 08)