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Integral Filter?
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A filter will allow certain signal frequencies to pass while attenuating others. Filters can operate on signal phase also.
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Search Logic:
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"Required" and "Must Not Have" criteria limit returned
matches as specified. Products with optional attributes
will be returned for either choice.
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Filter Architecture:
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Your choices are...
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Analog (RC)
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An analog filter is designed with resistors and capacitors. It is used for analog signals only and is often used in low-noise requirement applications.
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Digital (FIR, IIR)
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A digital filter is designed with solid state components and is used for digital signals and quantized signals from a sample-and-hold amplifier. This category includes Finite Impulse Response (FIR) and Infinite Impulse Response (IIR) filters. Digital filtering can approach ideal bandpass characteristics.
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Search Logic:
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All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Filter Function:
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Your choices are...
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Low Pass
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Low pass filters block or attenuate signals at frequencies above the specified cutoff frequency.
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High Pass
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High pass filters block or attenuate signals at frequencies below the specified cutoff frequency.
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Band Pass
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Band pass filters block or attenuate signals at frequencies outside of the specified low pass and high pass cutoff frequencies. This is frequently done by combining or "cascading" low-pass and high-pass filters.
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Band Stop
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Band stop filters block a portion of the frequency spectrum, allowing lower and higher frequencies to pass.
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All Pass
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All-pass filters allow all frequencies to pass; they can be used to introduce desired phase shifts in signals.
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Other
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Unlisted or specialized form of filter.
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Search Logic:
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All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Low Pass Cutoff Frequency:
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Nominal frequency below which input signal is passed and above which the signal is blocked.
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Search Logic:
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User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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Anti-aliasing Filter?
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Aliasing is the misrepresentation of a signal that comes from an improperly slow sampling of a signal. An anti-aliasing filter generally has a sharper cut-off than a normal low-pass filter to reduce this misrepresentation due to the influence of frequencies higher than desired. It is specified according to the sampling rate of the system and there should be one filter per input signal.
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Search Logic:
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"Required" and "Must Not Have" criteria limit returned
matches as specified. Products with optional attributes
will be returned for either choice.
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Programmable Filter?
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Filter parameters such as cutoff frequencies may be interactively programmed by user.
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Search Logic:
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"Required" and "Must Not Have" criteria limit returned
matches as specified. Products with optional attributes
will be returned for either choice.
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