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Topic: Analog sampled filter

	Analog sampled filter - Wikipedia, the free encyclopedia
		An analog sampled filter an electronic filter that is a hybrid between an analog and a digital filter.
		Distinct analog samples are shifted through an array of holding capacitors as in a bucket brigade.
		The analog sampled filter will in its turn need yet another anti-aliasing filter, but this can often be implemented as a simple 1st order low-pass analog filter consisting of one series resistor and one capacitor to ground.
	en.wikipedia.org /wiki/Analog_sampled_filter (222 words)

	Filter design - Wikipedia, the free encyclopedia
		The design of linear analog filters is for the most part covered in the linear filter section.
		The complexity (i.e., steepness) of such filters depends on the required signal to noise ratio and the ratio between the sampling rate and the highest frequency of the signal.
		FIR filters are generally easier to design: The Remez exchange algorithm is one suitable method for designing quite good filters semi-automatically.
	en.wikipedia.org /wiki/Filter_design (498 words)

	Electronic filter - Wikipedia, the free encyclopedia
		A filter in which the signal passes through an inductor, or in which a capacitor provides a path to earth, therefore presents less attenuation to low-frequency signals than high-frequency signals and is a low-pass filter.
		Active filters are implemented using a combination of passive and active (amplifying) components.
		Another method of filtering, at frequencies from 800MHz to about 5GHz, is to use a synthetic single-crystal garnet sphere made of a chemical combination of titanium, iron and nitrogen.
	en.wikipedia.org /wiki/Electronic_filter (1014 words)

	Sampled data analog multiplier apparatus - Patent 4084256 (Site not responding. Last check: 2007-10-15)
		A sample of charge is transferred to the floated diffused region causing a change in potential thereof which is representative of the quantity of charge transferred to the diffused region.
		During a first period of time quantities or packets of charge representing samples of analog signal are introduced into the shift register and are clocked along from stage to stage until each packet is located in the respective stage or cell in which processing is to be carried out thereon.
		The same analog signals are applied to input circuit 86 of channel A and input circuit 88 of channel B. The same bias voltage is applied from bias voltage source 32 to the input circuits 88 and 89 and also to the lateral drain 34.
	www.freepatentsonline.com /4084256.html (7245 words)

	Analog sampled filter -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-15)
		Distinct analog samples are shifted through an array of holding capacitors as in a (Click link for more info and facts about bucket brigade) bucket brigade.
		Analog summers and amplifiers do the arithmetic in the signal domain, just as in an (A computer that represents information by variable quantities (e.g., positions or voltages)) analog computer.
		Filters up to the 8th order may be implemented using a single (Electronic equipment consisting of a small crystal of a silicon semiconductor fabricated to carry out a number of electronic functions in an integrated circuit) chip.
	www.absoluteastronomy.com /encyclopedia/a/an/analog_sampled_filter.htm (303 words)

	FDI Online Design Guide
		For active filters, the THD is usually specified in dBc (dB relative to the amplitude of the fundamental frequency component) and at a specific frequency and amplitude (ex.
		Since a switched-capacitor filter is a sampling device, it experiences aliasing errors, frequency components near the sampling frequency that must be eliminated to ensure accuracy.
		Analog filters beyond 10 poles are very difficult to realize and tend to be noisy.
	www.freqdev.com /guide/fullguide.html (8801 words)

	FIR Filter
		FIR, or Finite Impulse Response, filters have the distinctive trait that their impulse response lasts for a finite duration of time as opposed to IIR, or Infinite Impulse Response, filters whose impulse response is infinite in duration.
		Filter Solutions offers 1st, 2nd, and 3rd order compensations that maintain the FIR characteristic of the filter and approximate X/Sin(X) that are valid for frequencies up to half the sample rate.
		The purpose of the Matched Filter is to maximize the signal to noise ratio and to minimize the probability of undetected errors received from a signal.
	www.filter-solutions.com /FIR.html (1770 words)

	Programmable bandpass digital filter of analog signal - Patent 4004236 (Site not responding. Last check: 2007-10-15)
		In the digital filter of the present invention, an analog input signal of a frequency F.sub.A is initially tested for minimum amplitude and is then converted to a binary digital waveform which is edge-detected to provide an edge pulse for every cycle of the analog input signal.
		The special-purpose digital filter of the present invention basically establishes a fixed sample time T.sub.S during which the actual number N.sub.A of cycles or pulses of a binary digital signal that is derived from a sampled analog signal is counted.
		At the end of the sample time the True or False state of the flip-flop is gated into a memory element, the associated True or False output of which enables or disables an AND gate to couple or to not couple the binary digital signal to user equipment.
	www.freepatentsonline.com /4004236.html (2987 words)

	Digital Filter Design
		To achieve a similar slope, an analog filter would have to be a 30th order filter to achieve this performance.
		For the same reason, they exhibit the same or worse nonlinear phase characteristics as their analog counterparts since the equivalent of poles and zeros in linear systems is reproduced with an IIR digital filter.
		Digital filters primarily are used when transfer-function requirements have no counterpart in the analog world or when a DSP already resides on the circuit board to perform other functions.
	www.evaluationengineering.com /archive/articles/1103data.htm (2376 words)

	Analog memory for storing digital information - Patent 4445189 (Site not responding. Last check: 2007-10-15)
		In one embodiment, a digital to analog converter is used to convert digital information from a digital processor to analog signal form for storage in an analog memory and an analog to digital converter is used to convert analog signals stored in the analog memory to digital signal form for processing with the digital processor.
		Analog information from the analog memory can be used with a digital processor by converting the analog information to digital signal form such as with an analog to digital converter.
		Therefore a complete analog parameter may be stored in one CCD memory element in direct contrast to prior art digital memories which merely store one digital bit of one word in a CCD memory element, thereby achieving greater storage density and lower cost per word with the memory arrangement of the present invention.
	www.freepatentsonline.com /4445189.html (17529 words)

	Analog Filter Products
		Samples of these higher frequencies map exactly into their lower frequency aliases.
		For more advanced filter applications and those that require higher and variable cutoff frequencies, choose the iDSC 1816: a specialized DAP with onboard analog filters.
		The iDSC 1816 combines brick-wall anti-aliasing filters on each of 8 simultaneous channels with 16-bit data acquisition all on one board at a throughput of 1.2M samples per second: 153.6k samples per second on each of the 8 channels.
	www.mstarlabs.com /filter.html (247 words)

	Filter design
		Design of analog filters is for the most part covered in the electronic filter section.
		Digital filters are implemented according two one of two basic principles, according to how they respond to an impulse:
		IIR filters are the digital equivalent of analog filters.
	www.brainyencyclopedia.com /encyclopedia/f/fi/filter_design.html (493 words)

	Project Proposal: Analog EEPROMs (Site not responding. Last check: 2007-10-15)
		On-chip filters perform the anti-aliasing during record and smoothing during play to improve the sound of the sampled data system.
		The anti-aliasing and smoothing filters are actually a single filter that is mulitplexed into each circuit function as needed for record and playback.
		It is a 5 pole Chebychev filter with <2dB of ripple.
	www.ee.washington.edu /conselec/CE/sp95reports/farber/proposal.htm (1054 words)

	New Gibraltar Encyclopedia of Progressive Rock PA-PF
		Filter through the remains of Landberk for a guitarist and a bassist.
		Paranoise uses audio samples of people from all over the world, mostly the "Third World", as the backbone for many of their songs.
		By weaving their own melodic lines with these folk songs, rhythmic chantings and prayer calls, Paranoise creates harmonies which were probably never dreamt of by the original singers/chanters, and also creates rhythms which counterpoint and interplay with the original.
	www.gepr.net /pa.html (14362 words)

	Filter Factory MK2 Analog High Order Filter - AUGUST - MIDI Classics
		Run keyboards, samples, and guitar tracks through the FilterFactory and you'll get everything from thick, retro filter sweeps to sub harmonic rumblings or even tweeter-shredding mayhem.
		Run a bass line through the same filtered settings and your rhythm section comes out tight and pumping.
		Breathe some analog life into any gital synth just by running it through the FilterFactory.
	www.midi-classics.com /h/h30890.htm (349 words)

	Encyclopedia: Analog sampled filter (Site not responding. Last check: 2007-10-15)
		People who viewed "Analog sampled filter" also viewed:
		Updated 273 days 17 hours 57 minutes ago.
		Click for other authoritative sources for this topic (summarised at Factbites.com).
	www.nationmaster.com /encyclopedia/Analog-sampled-filter (250 words)

	SIM965 - Analog Filter (Site not responding. Last check: 2007-10-15)
		The SIM965 Analog Filter is ideal for signal conditioning applications where Bessel or Butterworth filters are needed.
		Bessel filters offer clean step response (negligible overshoot) and linear phase response, while Butterworth filters provide excellent pass-band flatness with some overshoot.
		A choice of high-pass or low-pass filtering is selected from the front panel.
	www.srsys.com /products/SIM965.htm (265 words)

	Precision Filters — Home
		You can rely on a single source for analog signal conditioning and switching—a complete range of instrumentation—products optimized to work together to provide high performance at reasonable cost.
		Precision Filters' precision product solutions include a complete family of Analog Signal Conditioning/Filtering Systems, Signal Switching Systems, Compact Mini-Active Filter Modules, and Filter and Amplifier cards for the VMEbus.
		Precision Filters, Inc. is pleased to announce the opening of your new Western Region Office based in Southern California.
	www.pfinc.com (384 words)

	sampled - OneLook Dictionary Search
		Tip: Click on the first link on a line below to go directly to a page where "sampled" is defined.
		Phrases that include sampled: analog sampled filter, sampled audio, sampled sound
		Words similar to sampled: sample, tasted, tested, more...
	www.onelook.com /?w=sampled&ls=a (167 words)

	Publications
		"Improvements in Sampled Analog Filter," applied for by BNR, March 1978, in Canada, U.S. and Japan.
		Kwan and K. Martin, "An Adaptive Analog Continuous-Time CMOS Biquadratic Filter," IEEE J. Solid-State Circuits, June 1991.
		Martin and M.T. Sun, "Adaptive Filters Suitable for Real-Time Spectral Analysis," IEEE Trans.
	www.eecg.toronto.edu /~martin/nobots/papers/publications.html (2181 words)

	LinuxAudio
		It uses a phase measurements on a set of tones to measure the delay from the output to the input.
		The frequency of the allpass filter can be controlled by an external modulation signal.
		The 2nd order resonant filters are implemented using a Mitra-Regalia style lattice filter, which has the nice property of being stable even while parameters are being changed.
	users.skynet.be /solaris/linuxaudio (712 words)

Analog sampled filter (Site not responding. Last check: 2007-10-15)

Analog sampled filter

Analog sampled filter
article at Free Euro Online Encyclopedia

It uses material from the wikipedia article Analog sampled filter.

www.eurofreehost.com /an/Analog_sampled_filter.html.txt (267 words)

	Sonic Studios HRTF Baffled/Headworn Ambient Stereo & Surround Microphone Systems
		+ any portable deck with analog mic/line input is all you need to start making VERY professional quality live recordings.
		Effortlessly RECORD the full rich sounds of: Guitar, Piano, Cello, Drum Kit, Vocal Groups of all styles, Live Performances of any kind, 2-Channel studio mix tracks, and collect Keyboard samples of anything anywhere with any portable DAT/ MD, solid-state CF / Hard Disk deck, laptop external soundcard or camcorder with line/mic inputs.
		for remote location ambient recording using MD, DAT, Compact Flash, Hard Disk, or most deck's analog LINE input for up to 24bit/192kbps digital recording requirement.
	www.sonicstudios.com (1427 words)

	Analog Integrated Filter Design (Site not responding. Last check: 2007-10-15)
		Schaumann, Ghausi, Laker, Design of analog filters: passive, active RC, and switched capacitor, Prentice Hall, 1990.
		Gregorian and Temes, Analog MOS integrated circuits for signal processing, Wiley, 1986, TK7868.S88G74
		Mitra, Sanjit K., and Kurth, Carl F., editors, Miniaturized and integrated filters," Wiley, 1989, TK7872.F5M55
	www.doe.carleton.ca /~cp/filters/filter.html (138 words)

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Topic: Analog sampled filter

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