What are The electronic products that uses chebyshev low pass filter?
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Digital imaging device, like a digital camera.
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you need to download the audio codec..you can go to http://www.free-codecs.com/download/AC3_Filter.htm they have a great codec.  I used it
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Check Radio Shack, they have all that stuff.
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There are many, I personally prefer Sony Vega, but if you want a different (perhaps more affordable) option, try searching in ZDNet:
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Yes.  Convert the discrete time signal to a series of impulses.  Send the impulses through a digital to analog converter.  Send the output of the D/A through a low pass filter.  \n\nOppenheim describes the characteristics of an ideal reconstruction filter.  See pages 197-201.
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In no particular order ..... \n\nAt low frequencies the necessarily high values of L and C can result in an inconveniently large size.  \n\nAn active filter, which can be designed to exhibit and work with higher impedance values means that smaller values of C can be used.\n\nAdditionally the use of a gyrator configuration can eliminate the need for L.\n\nA passive filter is inherently lossy, at least to some extent.\nAn active filter can have gain.\n\nAn active filter is usually smaller than a passive one.\n\nA passive filter doesn't require a power source.
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Check RF cafe and quizzes under the site map. Also check out the free tests on ETA international these are geared for electronic technicians but should give a good review of fundamental electronic components. \n\nEnjoy.
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try the pioneer DEH-P7700mp. it's expensive ($300) but it has a 200w mosfet amp & 3 preouts & an OEL deep blue display
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you can use a fm modulator
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Need to have common mode noise rejection on the front end. \n\nLeads should have a ferrite bead or torus around a cable to prevent radio frequency interference from being transmitted down the wire.\n\nAliasing:\nTo avoid aliasing, the input to an ADC must be low-pass filtered to remove frequencies above half the sampling rate. This filter is called an anti-aliasing filter, and is essential for a practical ADC system.\n\nDither:\nIn A to D converters, performance can be improved using dither. This is a very small amount of random noise (white noise) which is added to the input before conversion. Its amplitude is set to be about half of the least significant bit. Its effect is to cause the state of the LSB to randomly oscillate between 0 and 1 in the presence of very low levels of input, rather than sticking at a fixed value. Rather than the signal simply getting cut off altogether at this low level (which is only being quantized to a resolution of 1 bit), it extends the effective range of signals that the A to D converter can convert, at the expense of a slight increase in noise - effectively the quantization error is diffused across a series of noise values which is far less objectionable than a hard cutoff. The result is an accurate representation of the signal over time. A suitable filter at the output of the system can thus recover this small signal variation.\n\nSampling Rate:\nSince a practical ADC cannot make an instantaneous conversion, the input value must necessarily be held constant during the time that the converter performs a conversion (called the conversion time). An input circuit called a sample and hold performs this task—in most cases by using a capacitor to store the analogue voltage at the input, and using an electronic switch or gate to disconnect the capacitor from the input.
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What kind of I.V. machines?
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http://www.ramelectronics.net/html/midi.html\ncheck this out
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Best Buy sells them. They are like a miniature satellite dish that beams the signal. I have never tried one but I hear they work well.
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Not big things like iPods or XBox.. But free samples and such..\nI like looking in the freebie forums in slickdeals.net\n\nhttp://forums.slickdeals.net/forumdisplay.php?sduid=0&f=4
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http://www.discovercircuits.com/list.htm
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Check out Radio Shack
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www.electronicsforyou.com \nor go to www.howstuffworks.com