3 - impulse response
... Discretization is made at 16 bit. Nyquist frequency is 24 kHz, the antialiasing filter starts at 20 kHz, so that at 24 kHz the signal is already attenuated by at least 80 dB. Now the filter is less steep, and the timedomain artifacts are almost gone. ...
... Discretization is made at 16 bit. Nyquist frequency is 24 kHz, the antialiasing filter starts at 20 kHz, so that at 24 kHz the signal is already attenuated by at least 80 dB. Now the filter is less steep, and the timedomain artifacts are almost gone. ...
data acquistion and signal processing
... An equivalent roll of in terms of octaves is: Roll-off = 6n dB/octave In Chebyshav approximation ripples are present in passband, but its roll off rate is greater than 20dB/decade for a single pole. The number of ripples in the passband of a Chebyshav filter are equals to the half of the filter orde ...
... An equivalent roll of in terms of octaves is: Roll-off = 6n dB/octave In Chebyshav approximation ripples are present in passband, but its roll off rate is greater than 20dB/decade for a single pole. The number of ripples in the passband of a Chebyshav filter are equals to the half of the filter orde ...
High Output Impedance Current-mode Multifuntions Filter Using
... considerable attention due to their potential advantages such as inherently wide bandwidth, higher slew-rate, greater linearity, wider dynamic range, simpler circuitry and lower power consumption [1]. With this potential, a number of papers have been published dealing with the realization of current ...
... considerable attention due to their potential advantages such as inherently wide bandwidth, higher slew-rate, greater linearity, wider dynamic range, simpler circuitry and lower power consumption [1]. With this potential, a number of papers have been published dealing with the realization of current ...
Operational Amplifiers in Chemical Instrumentation
... Op amps are easily used to generate constant-potential or constantcurrent signals. Constant-voltage sources include several instrumental methods that require a dc power source whose potential is precisely known and from which reasonable currents can be obtained without alteration of this potential. ...
... Op amps are easily used to generate constant-potential or constantcurrent signals. Constant-voltage sources include several instrumental methods that require a dc power source whose potential is precisely known and from which reasonable currents can be obtained without alteration of this potential. ...
Lab-05 Spectrum Analyzer Introduction
... Cables and Connectors: Used to connect the voltage source (input) to the analysis equipment (the spectrum analyzer). For this lab, one particular type of unique connecter is used: a Bayonet Neill-Concelman (BNC) (also known, most sources agree erroneously, as a British Naval ...
... Cables and Connectors: Used to connect the voltage source (input) to the analysis equipment (the spectrum analyzer). For this lab, one particular type of unique connecter is used: a Bayonet Neill-Concelman (BNC) (also known, most sources agree erroneously, as a British Naval ...
Band pass filtration and amplification
... Band-pass section of our design: The band pass filter, which is used, will consist of the combination of a high and low pass filter. What it does is filter out the frequencies higher than 1.5k hertz and lower than 500 hertz. This is done by finding the fo which is the center frequency, fo=1/2RC, a ...
... Band-pass section of our design: The band pass filter, which is used, will consist of the combination of a high and low pass filter. What it does is filter out the frequencies higher than 1.5k hertz and lower than 500 hertz. This is done by finding the fo which is the center frequency, fo=1/2RC, a ...
Chapter 11 Frequency Response
... CH 11conversation Frequency Response differs from face-to-face conversation. ...
... CH 11conversation Frequency Response differs from face-to-face conversation. ...
Determination of the LockIn Filter Bandwidth
... You apply “white noise” to the input of the filter and measure the output power spectrum, e.g. with a spectrum analyzer indicating the spectral power density, S(ω), as a function of frequency. In practice, however, the task is not so easy, especially not with our Virtual LockIn. First, there is gene ...
... You apply “white noise” to the input of the filter and measure the output power spectrum, e.g. with a spectrum analyzer indicating the spectral power density, S(ω), as a function of frequency. In practice, however, the task is not so easy, especially not with our Virtual LockIn. First, there is gene ...
Sinusoidal Steady
... o is also used in frequency domain as the center frequency. The bandwidth and the neper frequency are related by 2 The natural response of a series RLC circuit may be underdamped, overdamped, or critically damped. The transition from overdamped to criticallydamped occurs when o2 .2 The tr ...
... o is also used in frequency domain as the center frequency. The bandwidth and the neper frequency are related by 2 The natural response of a series RLC circuit may be underdamped, overdamped, or critically damped. The transition from overdamped to criticallydamped occurs when o2 .2 The tr ...
Equalization (audio)
Equalization (British: equalisation) is the process of adjusting the balance between frequency components within an electronic signal. The most well known use of equalization is in sound recording and reproduction but there are many other applications in electronics and telecommunications. The circuit or equipment used to achieve equalization is called an equalizer. These devices strengthen (boost) or weaken (cut) the energy of specific frequency bands.In sound recording and reproduction, equalization is the process commonly used to alter the frequency response of an audio system using linear filters. Most hi-fi equipment uses relatively simple filters to make bass and treble adjustments. Graphic and parametric equalizers have much more flexibility in tailoring the frequency content of an audio signal. An equalizer is the circuit or equipment used to achieve equalization. Since equalizers, ""adjust the amplitude of audio signals at particular frequencies,"" they are, ""in other words, frequency-specific volume knobs.""In the field of audio electronics, the term ""equalization"" has come to include the adjustment of frequency responses for practical or aesthetic reasons, often resulting in a net response that is not truly equalized. The term EQ specifically refers to this variant of the term. Stereos typically have adjustable equalizers which boost or cut bass or treble frequencies. Broadcast and recording studios use sophisticated equalizers capable of much more detailed adjustments, such as eliminating unwanted sounds or making certain instruments or voices more prominent.Equalizers are used in recording studios, radio studios and production control rooms, and live sound reinforcement to correct the response of microphones, instrument pick-ups, loudspeakers, and hall acoustics. Equalization may also be used to eliminate unwanted sounds, make certain instruments or voices more prominent, enhance particular aspects of an instrument's tone, or combat feedback (howling) in a public address system. Equalizers are also used in music production to adjust the timbre of individual instruments by adjusting their frequency content and to fit individual instruments within the overall frequency spectrum of the mix.The most common equalizers in music production are parametric, semi-parametric, graphic, peak, and program equalizers. Graphic equalizers are often included in consumer audio equipment and software which plays music on home computers. Parametric equalizers require more expertise than graphic equalizers, and they can provide more specific compensation or alteration around a chosen frequency. This may be used in order to remove (or to create) a resonance, for instance.