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Butterworth Filters
Refine signal, providing the flattest possible frequency in the passband, with a monotonic response.
See Also: Bessel Filters
- Frequency Devices Inc.
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Low-Pass Filters
Is a filter that passes signals with a frequency lower than a selected cutoff frequency and attenuates signals with frequencies higher than the cutoff frequency. The exact frequency response of the filter depends on the filter design.
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NI-9252, ±10 V, 50 kS/s/ch, 24-Bit, 8-Channel C Series Voltage Input Module
786783-01
±10 V, 50 kS/s/ch, 24-Bit, 8-Channel C Series Voltage Input Module - The NI-9252 is an 8-channel analog input module for CompactDAQ and CompactRIO systems. Each channel provides a ±10 V measurement range and 24 bits of resolution at a 50 kS/s sample rate. The NI-9252 features a number of programmable hardware filters. By choosing the specific Butterworth and comb filters for your application, you can significantly reduce the noise in your system.
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NI-9253, 50 kS/s/ch, ±20 mA, 24-Bit, 8-Channel C Series Current Input Module
785989-02
50 kS/s/ch, ±20 mA, 24-Bit, 8-Channel C Series Current Input Module - The NI-9253 is an 8-channel analog input module for ComapctDAQ and CompactRIO systems. Each channel provides a ±20 mA input range and 24 bits of resolution at a 50 kS/s sample rate. The NI-9253 has several diagnostic features to ensure your system is operating nominally at all times with open channel detection, power supply detection, and configurable thresholds. The NI-9253 has eight LEDs to indicate the status of each channel and the power supply so that a user in the field can easily validate that the system is operating normally. The NI-9253 also features a number of programmable hardware filters. By choosing the specific Butterworth and comb filters for your application, you can significantly reduce the noise in your system.
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Filtered Analog Input Expansion Board
MSXB 048
The MSXB 048 Filtered Analog Input Expansion Board has a four-pole low-pass Butterworth filter on each of its 16 single-ended channels. For DAP applications that require analog filters to take out all above-Nyquist frequencies before signal conversion, it simply replaces the MSXB 037 Analog Input Expansion board. Signal inputs normally connect to the MSXB 048 through a panel-mount DB-37 connector.
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Filter Building Blocks
Analog Devices offers an extensive line of continuous time and clock tunable (switched capacitor) filter building blocks. These devices were designed to simplify the implementation of band-pass, high-pass, low-pass, notch, or all-pass filters using classical filter realizations (such as Butterworth, Cauer, Bessel, and Chebyshev).
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NI-5783, 40 MHz Bandwidth Transceiver Adapter Module for FlexRIO
784364-02
The NI‑5783 has DC‑coupled inputs with two variants: an elliptic filter variant optimized for frequency-domain applications and a Butterworth filter variant optimized for time-domain applications. The NI‑5783 is particularly well suited for applications in software defined radio, electronic warfare, high-performance machine control, and medical imaging. The NI‑5783 is compatible only with the PXI FPGA Module for FlexRIO modules that have a Kintex‑7 FPGA and the stand-alone Controller for FlexRIO.
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NI-9326, 6-Channel, 150 V, 128 kHz C Series Frequency Input Module
786999-01
6-Channel, 150 V, 128 kHz C Series Frequency Input Module - The NI-9326 is a channel-to-channel isolated frequency input module for CompactDAQ and CompactRIO systems. This module includes six differential input channels with a 0 Vrms to 150 Vrms input range. The NI-9326 also features configurable thresholds for connection to a variety of variable reluctance sensors, single channel encoders, and hall-effect sensors. You can use the included embedded counters to perform frequency measurements or edge-counting for tracking total counts on a periodic signal. Additionally, the NI-9326 supports configurable Butterworth filters to help you perform low-noise frequency measurements.
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NI-5783, 40 MHz Bandwidth Transceiver Adapter Module for FlexRIO
784364-01
The NI‑5783 has DC‑coupled inputs with two variants: an elliptic filter variant optimized for frequency-domain applications and a Butterworth filter variant optimized for time-domain applications. The NI‑5783 is particularly well suited for applications in software defined radio, electronic warfare, high-performance machine control, and medical imaging. The NI‑5783 is compatible only with the PXI FPGA Module for FlexRIO modules that have a Kintex‑7 FPGA and the stand-alone Controller for FlexRIO.
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sbRIO-9253, Non-Enclosed, 50 kS/s/ch, 24-Bit, 8-Channel C Series Current Input Module
787433-01
Non-Enclosed, 50 kS/s/ch, 24-Bit, 8-Channel C Series Current Input Module - The sbRIO-9253 is an 8-channel analog input module for CompactRIO Single-Board Controller that provides a ±20 mA input range and 24 bits of resolution at a 50 kS/s sample rate. This module includes diagnostic functionalities to ensure nominal system operations with open-channel detection, power supply detection, and configurable thresholds. You can view the status of each channel and the power supply with eight LEDs. The sbRIO-9253 also features programmable hardware filters for your applications, such as specific Butterworth and comb filters that you can use to reduce the noise in your system.
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NI-9253, 50 kS/s/ch, ±20 mA, 24-Bit, 8-Channel C Series Current Input Module
785989-01
50 kS/s/ch, ±20 mA, 24-Bit, 8-Channel C Series Current Input Module - The NI-9253 is an 8-channel analog input module for ComapctDAQ and CompactRIO systems. Each channel provides a ±20 mA input range and 24 bits of resolution at a 50 kS/s sample rate. The NI-9253 has several diagnostic features to ensure your system is operating nominally at all times with open channel detection, power supply detection, and configurable thresholds. The NI-9253 has eight LEDs to indicate the status of each channel and the power supply so that a user in the field can easily validate that the system is operating normally. The NI-9253 also features a number of programmable hardware filters. By choosing the specific Butterworth and comb filters for your application, you can significantly reduce the noise in your system.
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Analog Filter
SIM965
Stanford Research Systems, Inc.
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
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NI-9326, 6-Channel, 150 V, 128 kHz C Series Frequency Input Module
786999-02
6-Channel, 150 V, 128 kHz C Series Frequency Input Module - The NI-9326 is a channel-to-channel isolated frequency input module for CompactDAQ and CompactRIO systems. This module includes six differential input channels with a 0 Vrms to 150 Vrms input range. The NI-9326 also features configurable thresholds for connection to a variety of variable reluctance sensors, single channel encoders, and hall-effect sensors. You can use the included embedded counters to perform frequency measurements or edge-counting for tracking total counts on a periodic signal. Additionally, the NI-9326 supports configurable Butterworth filters to help you perform low-noise frequency measurements.
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NI-9252 , ±10 V, 50 kS/s/ch, 24-Bit, 8-Channel C Series Voltage Input Module
786782-01
±10 V, 50 kS/s/ch, 24-Bit, 8-Channel C Series Voltage Input Module - The NI-9252 is an 8-channel analog input module for CompactDAQ and CompactRIO systems. Each channel provides a ±10 V measurement range and 24 bits of resolution at a 50 kS/s sample rate. The NI-9252 features a … number of programmable hardware filters. By choosing the specific Butterworth and comb filters for your application, you can significantly reduce the noise in your system.
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6000 Series Analog I/O Modules
Series 6000 analog I/O modules condition, amplify, filter and digitize signals from virtually any transducer. All modules have conditioning & amplifier per channel and nearly all modules allow for setting bridge completion, shunt calibration, transducer power, gain, etc. individually per channel. Following the conditioning/amplifier stage, multi-pole Bessel or Butterworth analog filters are provided on each channel and can be set or bypassed individually by program control. A number of the modules include a high level analog output providing a conditioned/filtered output to a redundant, external A/D system. A 16-Bit Successive Approximation A/D follows the analog filter stage. Some modules use a single A/D with sample and hold while others have an A/D per channel. Sample rates are programmable per channel to easily accommodate mixing high and low speed measurements into a single data stream. Programmable hardware based warnings and alarms are included in the channel-by-channel architecture and are detected by digital output modules in the system, providing an ultra-low latency control capability directly from the data acquisition system.
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YIG Filters
With a 30 year heritage developing leading YIG technologies, Teledyne RF & Microwave has unsurpassed capabilities as your single source for YIG filters. Teledyne has a large, self-contained YIG manufacturing and R&D infrastructure that ensures continuous YIG innovations, including the industry’s only YIG filter that “locks” to a desired signal.
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Bandpass Filters
These bandpass filters utilize a suspended stripline design to obtain a very compact configuration. Applications include wideband receiver input preselection and output filtering of frequency multiplied RF power sources.
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Filter Products
Although a primary building block for duplexers, multicouplers and preselectors, these cavities filters can be used individually or cascaded together to prevent interference or system clean up. Our cavity filter product line consists of four model types.
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Lowpass Filters
Frequency range of this lowpass filter is DC to 100 MHz and the passband is 100 MHz. PE8719 lowpass filter is one of over 40,000 RF, microwave and millimeter wave components supplied by Pasternack. Our 5 section low pass filter can be bought and shipped worldwide the same-day as with our other in-stock RF parts.
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dv/dt Filters
dV/dT Output Filter Modules effectively protect motors against these high voltage spikes due to the use of motor cables between IGBT based motor drives and motors.
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Filters & Switch Filter Banks
PMI offers the highest quality filters, switch filter banks, filter assemblies, diplexers, multiplexers for industrial and military applications in the frequency range of DC to 40 GHz. All PMI’s Switch Filter Banks use PMI’s proprietary Solid-state Switch designs, which offer high speed and improved performance. While there are many standard models, PMI can design and build to meet your specifications.
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Sine Filters
Sine Wave Output Filter Modules provide satisfactorily smoothed sinusoidal waveform with low residual ripple form square waveform with high voltage spikes, present at the output of motor drives.
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Bandwidth-Tunable Filters
Through cascading a low-pass tunable edge filter with a long-pass tunable edge filter, one can achieve a new type of bandwidth-tunable filter whose passband width is variable while its center wavelength is still tunable. With such a device, you can
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Highpass Filters
Frequency range of this band pass filter is 1,000 MHz to 2.5 GHz and the passband is 1.5 GHz. PE8715 highpass filter is one of over 40,000 RF microwave and millimeter wave components supplied by Pasternack. Our 5 section highpass filter can be bought and shipped worldwide the same-day as with our other in-stock RF parts.
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Semrock Optical Filters
IDEX Health & Science offers a comprehensive line of Semrock optical filters. We set the standard in performance, quality, and reliability for the life science, point-of-care, clinical diagnostic, and analytical instrumentation industries. We have applied patented design techniques to create some of the most spectrally sophisticated optical filters on the market. Whether you select from our extensive catalog or we design a custom filter to your exact specifications, you can be confident of our uncompromising quality, reliability, and reproducible results.
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High-Pass Filters
is an electronic filter that passes signals with a frequency higher than a certain cutoff frequency and attenuates signals with frequencies lower than the cutoff frequency.
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Filters and Multiplexers
CAES offers an extensive line of RF filters and multiplexers designed and manufactured using our internal capabilities in machining and component and substrate fabrication.These heritage processes have proven flight pedigree in space, on board Gen 5 aircraft and shipboard platforms. CAES' proprietary plating processes enables industry leading high-Q, low l
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Low-Pass Filters
Low-Pass Filters from Analog Devices are specifically designed to reject higher frequency noise and unwanted signals while allowing desired signals to pass through. Analog Devices offers an extensive line of continuous time and clock tunable (switched capacitor) devices preconfigured for low-pass filtering. These integrated low pass filters feature a wide range of cutoff frequencies and response characteristics.
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Automated Filter Tester
8130A
The Automated Filter Tester Model 8130A continues to be the best solution for testing particulate respirator filters, disposable filtering face pieces, and a wide assortment of filter media. The TSI filter testers have been used in quality control and manufacturing by leading filter and filter media manufacturers and test centers around the world for more than 20 years.
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SWITCHABLE FILTER BANKS
AFS-12WB
Matrix Test Equipment Incorporated
Models AFS-12WB contain banks of Matrix Model FLT-1 filters. Each filter may be individually selected. The Model AFS-12WB retains the manual operation in addition to remote control through the GPIB IEEE-488 interface. Optional internal Post Amplifier PA-20-20 with a gain of 0, 17 and 32dB @ +5dBm max..
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Notch Filters
Power-Pole Notch Series
POWER-POLE® Notch Filters offer improved performance and power handling over our MINI and MAXI Notch Filters.
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Harmonic Filter Resistors
The widespread use of nonlinear loads such as power electronics based equipment and electric arc & ladle melt furnaces all around the world hinder the quality of electric power. One of the most important parameters for defining the power quality is harmonic distortion.
