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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ICP® Accelerometers With Excellent Thermal Stability
The single and triaxial ICP® accelerometers are designed with a low temperature coefficient, wide operating temperature range, and good broadband measurement resolution, making them ideal for any vibration measurement requiring tight control of amplitude sensitivity over a wide thermal gradient. To alleviate the effects of high frequency overloads caused by metal-to-metal inputs, a low pass filter has been incorporated in all models, ensuring accurate data in the frequency range of interest.
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Industrial Clamp Meters
*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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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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ACDC
ES Series
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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16-Channel Anti-Alias Low-Pass Filter Card
AAF-16
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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Low Voltage DC / Battery Powered HV Amplifiers
WMA-02 And WMA-02LF
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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Handheld Digital Multimeter, 4 digit, Water and Dust Resistant
U1271A
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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Programmable Anti-Alias Low-Pass Filter and Instrumentation Amplifier
USBPGF-S1
Single Channel USB Programmable Anti-Alias Low-Pass Filter and Instrumentation Amplifier for Signal Conditioning in Data Acquisition Systems. Differential or single ended input. 10Vmax Signal Input and Output with input protection up to 40V. Software-programmable instrumentation amplifier gains of 1 to 1000.
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High-speed USB DAQ System
Model DI-4208
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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Dual 10th Order Lowpass Filter
64-VBF
The 64-VBF 10th order Lowpass Filter is a dual channel filter with independent switch settable Cutoff Frequency (Fc). The filter has a linear phase DC accurate root raised cosine response. The unit’s differential inputs are built to withstand high DC over-voltages up to ±50 VDC and greater than ±100 V transients. Gain of the unit is 1 allowing for minimal insertion issues. The output can drive a high speed DAQ multiplexer with its fast settle and capacitive drive capability.
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Analog to Digital Converter
7418/7419
Supports thermocouples, RTD's, strain gauges, voltage in, 4-20 mA, 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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Dual Channel 180 MS/s Digitizer PXI / PXIe Card
GX2482
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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Active Filter
J2190A
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.
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1 MHz Bandwidth Voltage Preamplifier with Bandpass Filter
EC6081 mk2 - preamplifier
The EC6081 mk2 (VP2000) is a 1MHz bandwidth voltage preamplifier with bandpass filter that is designed for uses in conjunction with piezoelectric hydrophones. VP2000 offers excellent low-noise performance over the entire frequency range; and adjustable gain selection. A range of 12 high-pass and 12 low-pass filters are available, these allow ideal band pass filter settings.
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Programmable, 2-Channel Low-Pass Filter Module
AAF-2Fe
Programmable, 2-Channel Low-Pass Filter Module. The AAF-2Fe may be used with the AAF-3PCI, AAF-3, AAF-2, or AAF-1 filter boards.
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Low Power Analog to Digital
7430
Smart A/D for thermocouples, thermistors, RTD's, strain and pressure gauges8-channels of 16-bit A/D resolutionEliminates trimpot adjustments by using software calibrationPerforms concurrent 32-bit floating point operations to minimize host computer loadingEach channel is software programmable for sensor type, gain, low-pass filtering, scan rate
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Precision Dual-Channel Compact Filter/ Amplifier System
PFA-2
he PFA-2 is a compact, rugged, and versatile dual-channel precision filter/amplifier. The low-noise, high common-mode rejection balanced differential input with programmable AC/DC input coupling is ideal for conditioning static or dynamic signal inputs. Sharp, programmable 6-pole low-pass precision filters support two response characteristics which are optimized for making time-domain or frequency-domain measurements.
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2 to 8 Channel Anti-Alias Low-Pass Filter Card
AAF-1
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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EMI/EMP Connectors
Filter connector series includes EMI/ EMP/ESD circular, ARINC, D-subminiature and micro-D connector styles. They can be combined with high energy TVS diode technology to achieve lightning and EMP transient protection. Smiths Interconnect's EMI filter connectors use multi-layer ceramic capacitor arrays together with inductive materials to realize robust, high performance low pass filter networks. Where required, transient protection can be combined with EMI /RFI filtering to provide maximum protection. The diodes as well as the EMI filter are packaged separately so the construction of the connector remains modular.
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Smart Analog to Digital
618/619
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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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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Dual Channel Multi-Band FM Tracking/Data Receiver In Modular Style Housing
LS-27-B
The Lumistar LS-27-B Modular Dual Channel Tri-Band Tracking and Data Receiver is Lumistar’s third generation of modular high performance FM Receivers. This wideband designs supports one or two independent channels of PCM with data rates up to 20Mbps. The unit includes both an optional FM demodulated output for PCM data, and standard programmable AM/linear AGC outputs for auto-tracking receivers. The design offers 8 IF Bandwidths and 8 Video Filters per channel for each receiver.AC coupling with a low pass filter is employed to ensure a high quality data link with long strings of NRZ-L ones or zeroes. The unit provides a software selectable 10 MHz reference I/O port forlocking local oscillators to a high precision external source or to arrange multiple units in a master/slave arrangement. The receiver’s control and status is achieved via Ethernet, USB or auto-switched RS-232 (or “4-wire” RS-485 in place of 232). When utilizing the RS-422 interface, multi-drop configurations can be accommodated.
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Handheld Digital Multimeter, 4.5 digit, up to 800 hours battery life
U1282A
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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4 Channels of Strain Gauge Inputs for the SCS-800 Signal Conditioning System
SCS-817
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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Low Voltage DC / Battery Powered HV Amplifiers
WMA-01 And WMA-01LF
The Falco Systems WMA-01 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 3mVrms. For extremely low noise applications where bandwidth is not an issue, a dedicated WMA-01LF version is available that contains an output low pass filter capacitor which reduces the bandwidth to 50Hz, but makes the noise drop to below 0.1mVrms. This bandwidth-limited amplifier is ideal for MEMS or piezo positioning with manual voltage adjustment.
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Precision Low-Loss Multiplexers
Maury’s line of diplexers (DP-series) and triplexers (TP-series) are designed for applications which require combining/ splitting signals at or around harmonic frequencies (nFo) and are connectorized for design-in and test and measurement applications.DP-series diplexers are designed using low-pass and high-pass filters and pass bias between the low-frequency (or Fo) port and the common (or DUT) port.TP-series triplexers are designed using low-pass, bandpass and high-pass filters and pass bias between the low-frequency (or Fo) port and the common (or DUT) port.Power handling is rated at 100W CW (average) and typical insertion loss is better than 0.5dB between the low-pass (Fo) and common ports.DP- and TP-series multiplexers are ideal accessories for passive, active and hybrid-active multi-harmonic load pull systems.
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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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Single Channel USB Programmable Band-Pass Filter
USBPBP-S1
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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Low Noise Dual Band VCO
This custom oscillator subassembly consists of two low noise oscillators covering 1.5 to 2.5 GHz, a power combiner, a standard Teledyne RF & Microwave amplifier, and a lowpass microstrip filter. Teledyne RF & Microwave designed both oscillators for low phase noise and linear tuning. The output frequency bands are switched using standard TTL control.
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6.5-Digit Low Noise Power Source, 32 W, 210 V, 3 A, 2-Channel
B2962B
The Keysight B2961B Series 6.5-digit low noise source power supplies provide a power supply and source solution that meets the difficult measurement challenges researchers, designers, and developers face working on advanced components, circuits, and materials.
