Active Filters
Require power to operate, using active devices and passive components in a frequency-selective network, only passing certain frequencies.
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Active Filters
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Analog Devices’ specially designed active filter products can accommodate any frequency response (low-pass, high-pass, or band-pass) and a wide range of frequencies. Our line of continuous time and switched capacitor filters provides simple, flexible frequency discrimination solutions.
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Active Filters
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Power electronic devices used to enhance power quality by actively compensating for current/voltage harmonics, reactive power, and voltage imbalances.
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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.
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Wideband Active Filters
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Analog Devices’ family of fixed and tunable wideband active filters operating up to 28 MHz bandwidth support a wide range of wireless communications, signal conditioning, and RFID applications. Single-channel and dual-channel options are available.
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Low-Noise Filter, 210 V / 3 A
N1298C
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The N1298 Series power source accessories are a collection of low noise filters for the Keysight B2960 Series precision source / measure units (SMUs).
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Filters
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In order to minimize filter roll-off, we start with a quality, highly polished substrate and apply layers of metallization within tight tolerances. Our highly anisotropic ion beam etching process enables us to produce features down to 10 microns. Furthermore, the milling process yields a high consistency from circuit to circuit meaning that whether we produce 1 or 100,000 filters, each one will have consistent filter roll-off characteristics.
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Active Splitters
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Macom Technology Solutions Holdings Inc.
MACOM's active splitters available in 2, 3, 4, 5, 6 and 8-way splits, are designed for todays advanced CATV, FTTx, and direct broadcast satellite (DBS) subscriber equipment. Typical applications include high-definition flat screen TVs, set top boxes (STBs), embedded multimedia terminal adapter (eMTAs), cable modems, and PCTV cards. Ranging from 50 MHz to 1100 MHz and available in surface mount PDFN and PQFN plastic packages
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Active Optics
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Radiall designs and manufactures end-to-end optical links for massive data transfers in harsh environments.
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Notch Filters
Power-Pole Notch Series
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POWER-POLE® Notch Filters offer improved performance and power handling over our MINI and MAXI Notch Filters.
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Analog Filter
SIM965
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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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Dual Filter
Trig-TekTM 550D
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Two channels with variable high pass and low pass filters in a module 7" high x 2.6" wide
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Water Activity
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Water activity defines the energy status of water in a substance or a system. It describes the amount of water available for hydration of materials.
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High-Power Filters
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Beehive Electronics designs custom high power RF filters used in vacuum coating systems. Our experience spans from kilohertz to gigahertz and power levels up to 50 kilowatts. We provide a turnkey solution: we design, build, and test the filters to the customer's specification.
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Water Activity Meter
LD-LWTM-A10
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Water Activity MeterLD-LWTM-A10is a real portable water activity meter, with a weight of only 1.5 kg, lighter than a mobile phone. It has 0 to 1.0 aw range and offers operating temperature range from 0 to 50˚C. Designed with 6 bit backlight LCD digital display and integrated nonconductive humidity sensor. It measures fast activity of water within 5 minutes and under-voltage alarm indication function. It is easy to measure water activity anytime and anywhere also used in free water in the state of food balance.
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Broadcast Filters FM
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RFS bandpass filters are primarily used as part of multi-channel combiner facilities but can also be used to eliminate spurious emissions and increase isolation between co-sited services.
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RF Filters
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RF Filters block unwanted frequencies when testing electronic devices for emissions during EMC testing. They attenuate unwanted frequencies and allow the desired signals through. The RF filters isolate the device under test from external RF noise, this increases the reliability and accuracy of the EMC testing by preventing out-of-band noise and harmonics.
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High-Power Tunable Filter
CB503
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The need for tunable filter technology originates from the fact that high power communication systems and IED Jammer transmitters severely limit the use of tactical radio communication systems on the battlefield.This clash within the radio’s spectrum during tactical missions is often de-conflicted using fixed high Q, high power RF bandpass and bandstop filters installed prior to mission. This can limit operational effectiveness due to the potentially large number of fixed filters required within the allocated radio communication channels, which need be transported, stored in the field, and fitted by trained personnel. Many of these fixed filters centred within the octave wide tuning range could be replaced by a single high-Q tunable filter.
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Active Probe
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This probe is designed to help auto-technicians in troubleshooting electrical circuits. Apart from using the normal multi-tester, this probe can be used in conjunction with it by providing additional functions to assist in diagnosing electrical or components faults or failures in the vehicle.
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Noise Activated Warning Sign
SoundSign
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The SoundSign Noise Activated Warning Sign is a visible, effective way to warn workers and staff of high noise levels.
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Active Antennas
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Is an antenna that contains active electronic components such as transistors, as opposed to most antennas which only consist of passive components such as metal rods, capacitors and inductors.
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Harmonic Filter Resistors
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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.
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Active Optical Connectors
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Panasonic Industrial Devices Sales Company of America
All-In-One Design, Integrated Fiber Cable for High-Speed Transmission.Panasonic, a worldwide leader in Connector Products, offers the V Series Active Optical Connectors. Featuring a built-in Laser Diode and Photodiode along with an electrical/optical conversion function, the V Series is an all-in-one optical transceiver capable of transmission rates up to 8 Gbps.
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High Impedance Active Probes
35
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The Picoprobe Model 35 has been engineered to meet the stringent demands of advanced high frequency circuit designers.
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Active biconical Antennas
BicoLOG X Series
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Only a single broadband test antenna for the complete frequency range from 20MHz up to 3GHz. Optimal for usage with spectrum analysers for EMC measurement. Active Antennas with high gain up to 41dBi.
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Lowpass Filters
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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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Optical Filters
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Alnair Laboratories Corporation
The filter exhibits an ultra-sharp roll-off of 1500dB/nm(12dB/GHz), without compromising the flexibility ofbandwidth- and wavelength-tuning. Ideal for DWDMchannel selection and removing ASE noise.
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SIM Filter
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The CFL SIMF, Cable Fault Secondary Impulse Filter from SCOPE is the ultimate solution for locating underground cable faults in minimum time. It uses advanced technology for fault distance measurement which helps even an unskilled operator to locate the fault accurately.
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Nemo Active Probe
NTP10010A
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Keysight’s Nemo Active Probe is an ideal solution for performing automated, unattended large-scale measurements in key locations where people are using their smartphones and where it is critical to ensure excellent network service. Nemo Active Probes can be deployed discreetly in hotspots, vehicles, and fixed locations, such as airports, offices, campuses, and shopping malls as well as in moving vehicles, such as trains, taxis, delivery trucks, and ships.
