Low Pass Filters
Refine signal, allowing the transmission of signal below a specific corner frequency, while attenuating the frequencies above.
See Also: Filters, Filter / Amplifiers, EMI Filters, Programmable Filters
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Product
Low-Pass Filters
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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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Product
0.1Hz-3.7GHz Frequency Counter
FC-3000
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Features:*Frequency measuring range: 0.1Hz to 100MHz in A input, 80 MHz to 3.0GHz in C input.*Period,Total and RPM measurement for input A*9 Digit display with 0.01mHz resolution in 1 Sec (By Ext.Reference signal).*RS-232C serial interface function for communication with computer.*High sensitivity Extemal reference input function(>=1.5Vrms).*Peciprocal technique for high resolution at low counting frequencies .*Self check function executed to perform a automatic self diagnosis of various counter function.*Push-scanning for selecting Function and Gate time.*Low-pass filter(100KHz,-3dB)installed for removing noise signsl in low frequency measuring.*AC/DC coupling function(Selectable AC/CD Coupling)*10:1 Input Attenuation(Selectable×1/×10 Attenuator)*Data hold function
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Low Voltage DC / Battery Powered HV Amplifiers
WMA-02 And WMA-02LF
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The Falco Systems WMA-02 is a high voltage amplifier that runs from an 24 - 30V DC power supply and can be battery powered if required, e.g. for use in a Faraday cage. Its internal high voltage generator is inductor-free and hence does not spread magnetic interference in sensitive experimental setups. The output noise is impressively low at 4mVrms. For extremely low noise applications where bandwidth is not an issue, a dedicated WMA-02LF version is available that contains an output low pass filter capacitor which reduces the bandwidth to 50Hz, but makes the noise drop to below 0.2mVrms. This bandwidth-limited amplifier is ideal for MEMS or piezo positioning with manual voltage adjustment.
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8-Channel Amplifier and Low-Pass Filter Module
SCS-814
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The SCS-814 and SCS-815 amplifier/filter module provides eight 8-pole low-pass filters that can be individually configured for a cutoff-frequency from 0.5Hz to 70kHz(SCS-814) and 0.5Hz to 60kHz(SCS-815). Each of the SCS-814/SCS-815's eight channels features an instrumentation amplifier with software-selectable gains of 1 to 1000 in 1-2-5 steps.
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16-Channel Anti-Alias Low-Pass Filter Card
AAF-16
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The AAF-16 is a 16-channel anti-alias low-pass filter card series for front-end signal conditioning in PC-based data acquisition systems.
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Handheld Digital Multimeter, 4.5 digit, up to 800 hours battery life
U1282A
Digital Multimeter
60,000 counts resolution on dual display0.025% basic DC voltage accuracy Longer battery life up to 800 hours Certified to IP 67 for dust and water protection Tested to withstand a 3-meter (10-ft) drop Programmable via USB (Download Programming Guide here)CAT III 1000 V/ CAT IV 600 V overvoltage protection Vsense for non-contact voltage detection Square wave output for generating pulse width modulation (PWM) signal Frequency counter Low pass filter
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PXIe-4300, 16-Bit, 8-Channel, 250 kS/s, 300 V, Ch-Ch Isolated PXI Analog Input Module
781337-01
Analog Input Module
16-Bit, 8-Channel, 250 kS/s, 300 V, Ch-Ch Isolated PXI Analog Input Module—The PXIe‑4300 provides integrated data acquisition and signal conditioning for high-voltage measurements. It provides increased accuracy, simultaneous sampling, and synchronization features for scalable measurement systems. The PXIe‑4300 includes 300 Vrms channel‑to‑channel CAT II isolation and 3,300 Vrms channel‑to‑earth 5 second withstand isolation to protect users and equipment from hazardous voltages. This module offers programmable lowpass filtering, DC input coupling, and two PFI lines for digital input triggering. The included NI‑DAQmx driver simplifies hardware and configuration and measurement.
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Lowpass / Bandpass / Highpass Filter
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Corech Microwav’s RF Filers frequency ranges from dc to 67 GHz, band pass/high pass/low pass designs, narrow-band/wide-band types to meet customers various needs. These low pass filters(LPF), high pass filters (HPF), and band pass filters (BPF) offer very low insertion loss, outstanding VSWR and long-term performance.
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Handheld Digital Multimeter, 4 digit, Water and Dust Resistant
U1271A
Digital Multimeter
Feature sets that meet traditional industrial requirements and improve productivity and safety Improved accuracy and resolution to meet traditional industrial requirements (30,000 counts resolution with 0.7% for ACV accuracy)Intelligent features to improve productivity and safety (selectable Low Pass Filter LPF and quick signal type identification Qik-V)Better grip Both visual and audible continuity indication in noisy environments Easy access to fuse for simplified maintenance Easy connectivity to PC and internal memory (up to 200) for data logging Large rotary switch and buttons that are easy to operate Dust and water resistant casing (IP 54 compliant)Compatible with U1177A/U1117A IR-Bluetooth adapter for remote monitoring & datalogging Altitude: 3000 meters
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Multi-channel low-pass filter board
AAF-2
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The AAF-2 is a multi-channel low-pass filter board designed for use in front of A/D converters with resolution up to 16-bits. It is ideal for filtering applications in sound and vibration testing, ultrasonics, acoustics, structural analysis, industrial, test, scientific and laboratory data collection and applied mechanical applications in electronics, aerospace, field research, automotive, and process control industries.
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Single Channel USB Programmable Band-Pass Filter
USBPBP-S1
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The USBPBP-S1 stand alone USB controllable module provides a single channel of high and low-pass filtering and high-quality instrumentation amplifier for front-end signal conditioning compatible with all popular A/D converter devices. The USBPBP-S1 is powered with 9 to 12VDC so it can be connected to a battery voltage source or the supplied 115-220VAC adapter may be used for operation with wall power anywhere in the world. When programmed from the USB port, the USBPBP-S1 will remember all of the programmed properties between power cycles. Program once and operate as a stand- alone signal conditioner without having to reprogram for every use. This is perfect for turn-key applications. It's easy to connect the USBPBP-S1 into the data collection system. Input and output signals can be routed through BNC connection or using the detachable screw terminal connectors. Optional SMA type adapters are also available.
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Programmable, 2-Channel Low-Pass Filter Module
AAF-3F
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Programmable, 2-Channel Low-Pass Filter Module. The AAF-3F is designed for use with the AAF-3M and AAF-3PCI filter boards.
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Amplifier/Filter Module
SCS-815
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The SCS-814 and SCS-815 amplifier/filter module provides eight 8-pole low-pass filters that can be individually configured for a cutoff-frequency from 0.5Hz to 70kHz(SCS-814) and 0.5Hz to 60kHz(SCS-815). Each of the SCS-814/SCS-815's eight channels features an instrumentation amplifier with software-selectable gains of 1 to 1000 in 1-2-5 steps.
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2 to 8 Channel Anti-Alias Low-Pass Filter Card
AAF-1
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The AAF-1 is a multi-channel anti-alias low-pass filter board designed for front-end signal conditioning in PC-based or stand-alone 12-bit A/D conversion systems.
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High Speed Data Acquisition Board
MS 1800
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*Bus Interface:- 64 Bit PCI Bus with PMC Interface*Virtex-4 FPGA based design*32 channel digital I/O signal*RS232 & RS485 Interface*32MB Flash*2MB Static RAM for data storage*Analog Inputs:- 2 Channel*Input Resolution:- 14 Bits*Sampling rate up to 80MSPS*Filter:- Low Pass Filter for all channels*Two Analog Outputs*14 bit Resolution*Driver interface for Windows2000/XP/VISTA and LINUX OS*Self Test future
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Flexible Leakage/Line Current Tester
RLM-10+
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MULTI MEASURING INSTRUMENTS Co., Ltd.
●Low-pass filter equipped, it can be cut the noise which is over 150Hz frequency.●Even Coreless Coil but Least Influence from External Magnetic Field and Residual Current●Superior Flexible CT enables Leakage Current Measurement●Backlight Function useful for measurement in the dark place
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Dual Matched, High Frequency Bandpass/Lowpass Filters
LTC6602
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The LTC6602 is a dual, matched, programmable bandpass or lowpass filter and differential driver. The selectivity of the LTC6602, combined with its phase matching and dynamic range, make it ideal for filtering in RFID systems. With two degree phase matching between channels, the LTC6602 can be used in applications requiring highly matched filters, such as transceiver I and Q channels. Gain programmability, and the fully differential inputs and outputs, simplify implementation in most systems.
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Smart Analog to Digital
618/619
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Supports thermocouples, RTD's, strain gauges, voltage in, 4-20mA, thermistors, and resistorsUp to 16 differential input channels plus sensor excitationEach channel is software programmable for sensor type, gain, low-pass filtering, scan rateAuto-calibration eliminates trimpotsLow power consumption
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ACDC
EA Series
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The EA Series of line operated power supplies features near constant efficiency over theentire rated input voltage range. These electrically identical families employ a highly efficient, closed loop ripple regulation circuit, which contains a low pass filter. Each stage, transformer, filter and regulator is engineered for maximum efficiency.
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Low-Pass Filters
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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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Dual Adjustable Lowpass Filter
LTC6603
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The LTC6603 is a dual, matched, programmable lowpass filter for communications receivers and transmitters. The selectivity of the LTC6603, combined with its linear phase, phase matching and dynamic range, make it suitable for filtering in many communications systems. With 1.5° phase matching between channels, the LTC6603 can be used in applications requiring pairs of matched filters, such as transceiver I and Q channels. Furthermore, the differential inputs and outputs provide a simple interface for most communications systems.
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8-Channel Amplifier and Low-Pass Filter Module
SCS-816
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The SCS-816 and SCS-817 amplifier/filter module provides eight 8-pole low-pass filters that can be individually configured for a cutoff-frequency from 0.5Hz to 70kHz(SCS-816) and 0.5Hz to 60kHz(SCS-817). Each of the SCS-816/SCS-817's eight channels features an instrumentation amplifier with software-selectable gains of 1 to 1000 in 1-2-5 steps.
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4 Channels of Strain Gauge Inputs for the SCS-800 Signal Conditioning System
SCS-817
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The SCS-816 and SCS-817 amplifier/filter module provides eight 8-pole low-pass filters that can be individually configured for a cutoff-frequency from 0.5Hz to 70kHz(SCS-816) and 0.5Hz to 60kHz(SCS-817). Each of the SCS-816/SCS-817's eight channels features an instrumentation amplifier with software-selectable gains of 1 to 1000 in 1-2-5 steps.
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ACDC
ES Series
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The ES Series of line operated power supplies features near constant efficiency over theentire rated input voltage range. These electrically identical families employ a highly efficient, closed loop ripple regulation circuit, which contains a low pass filter. Each stage, transformer, filter and regulator is engineered for maximum efficiency.
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DIN-Rail Wiring Terminal Board With CJC Circuit
PCLD-8710
Terminal Board
Low-cost screw-terminal with 68-pin SCSI-II connectorOnboard CJC (Cold Junction Compensation) circuits for direct thermocouple measurementReserved space for signal-conditioning circuits such as low-pass filter, voltage attenuator and current shuntIndustrial-grade screw-clamp terminal blocks for heavy-duty and reliable connectionsDIN-rail mounting case for easy mountingSupports PCI-1710U/UL, PCI-1710HGU, PCI-1711U/UL, PCI-1716/L
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RF Filters
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CTS develops and manufactures high-end radio frequency (RF) filters used by various technologies to block out or filter certain signal frequencies. In 1982, CTS invented the ceramic monoblock, and ever since, our ceramic RF filters have been setting the industry standard in terms of lowest insertion loss, attenuation /rejection/isolation, Q-factor, size, power handling, and transition slope. Our portfolio includes band-pass filters, notch filters, low-pass filters, delay line filters, diplexers, duplexers, and triplexers/multiplexers.
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Dual Channel 180 MS/s Digitizer PXI / PXIe Card
GX2482
Digitizer
The GX2482 series are a high performance, dual differential channel, 16-bit digitizer offering high dynamic range and excellent SFDR. The module’s differential inputs, coupled with its low distortion makes it an ideal instrument for analyzing high performance or low level analog signals. Each channel offers 3 selectable low pass filters, a 16 bit, 180 MS/s ADC, and 64 M words of memory for each channel.
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High-speed USB DAQ System
Model DI-4208
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USB Data Acquisition (DAQ) System. Eight armored analog differential inputs*. Programmable range per channel: ±2, 5, 10, 20, 50 100 V full scale. Up to 120 V rms without damage. 50 dB common mode rejection. Supports ChannelStretch™ multi-unit synchronization*. Adaptable low-pass filter per channel. Corner frequency set as a function of sampling rate. 16-bit analog-to-digital resolution. 160 kHz analog sample throughput rate. Seven digital ports*. Programmable per port as input or switch. Support for rate measurements to 50 kHz. Support for 16-bit counter.
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Industrial Clamp Meters
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*Measures AC+DC current*AC and AC+DC voltage measurements with digital low pass filter for accurate readings on variable frequency drives*Also measures DC voltage, resistance, capacitance and frequency*Tests continuity and diodes*Flashlight inside clamp jaw for easier work in dark locations*Backlight & relative mode for added versatility*Peak-RMS measures motor inrush current*AmpTip™ increases accuracy on small wires and low current*Two voltage detection modes - non-contact or using a single test lead*Data hold*Recording of Maximum, Minimum, and Average readings*Crest (peak hold) feature captures current or voltage peaks as short as 5 milliseconds
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Active Filter
J2190A
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The J2190A active filter presents a high impedance (approximately 150kOhms) minimizing the loading of the circuit being tested. The output impedance is 50 Ohms allowing low noise coaxial connections to all typical test equipment. The 0.1Hz-10Hz noise band is common for opamp measurements, voltage regulators and voltage references. Many application notes offer schematics of such a filter for test purposes. An engineer’s time is much too valuable to be spent building test equipment. We have created a 4th order high pass and 4th order low pass filter with an optimally flat response and 0dB gain. Additional filters can be cascaded for even sharper cutoff.
