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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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 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 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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Ultra-Low Noise Filter, 42 V / 105 MA, 50 Ω
N1298B
Noise Filter
The N1298 Series is a collection of low noise filters for the Keysight B2960 Series 6.5-digit low noise source.
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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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Parallel Active Multifunction Filter
SINAF 3.0
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Lifasa - International Capacitors, SA
The active filters offer the best possible solution to solve the problems related to the quality in the electrical network, both in industrial three-phase installations, as commercial or service installations. These problems are caused, not only by the harmonics, but also by the consumption of reactive power (generally of capacitive type).
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Filters
ZF
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Antenna Technology Communications, Inc.
ATCi offers a selection of filters designed to reject out-of-band interference.
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Active Probe
Sonic
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PMK Mess- und Kommunikationstechnik GmbH
The Sonic® 4000 active probe offers best-in-class performance and is easy to use to make in-circuit measurements. The DC to >4GHz bandwidth, high input impedance, low noise and ±8V dynamic range make the Sonic 4000 the ideal probe for use with any oscilloscope or other 50Ω measurement system. The Sonic® 4000's ±12V input offset capability extends the probe's input voltage range.
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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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Highpass Filters
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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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High-Pass Filters
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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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Notch Filters
MINI-POLE Notch Series
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MINI-POLE® Notch Filters are optimized for small physical size and low power consumption. Two standard package styles are available (PC-Mount and SMA).
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Highpass Filters
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K&L Microwave provides highpass filters in multiple topologies built to customers' electrical, mechanical, and environmental specifications. The list below contains part numbers meeting existing industry and customer specifications, as well as product families. Use the quote cart to request a quote on a specific design.
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Active Vibration Isolation
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Integrated Dynamics Engineering
This includes Passive and Active vibration isolation modules. Our vast number of advanced solutions – from compact Passive LC series to the TCN Active series expanding to the cutting edge most advanced in vacuum NGI series – provide options for every difficult application issue that exists today. Since seismic vibrations tend to be random, all frequencies need to be addressed.
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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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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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Harmonic Filters
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ENTES Harmonic Filter Reactors are used in serial connection with capacitor banks in power factor correction units. By using these types of detuned reactors it is possible to increase the capacitor impedance against harmonic currents and to keep the resonance frequency under the frequencies in which main harmonic currents occur by shifting the resonance frequency.
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Active Loop Antenna
KH30935
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Beijing KeHuan Century EMC Technology Co,.LTD
KH30935 active loop antenna is used for adjusting, testing, measuring and other receivers. It has many advantages:1. The antenna coverage frequency is wide: 150KHz ~ 30MHz .2. The field strength value is measured according to the correction coefficient within the effective frequency range, which is convenient to use.3. The antenna has a small outer diameter and light weight, which is convenient for outdoor measurement.
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Sine Filters
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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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Tunable Filters
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K&L Microwave offers a variety of Tunable Filter Products to satisfy a broad range of filtering applications. Tunable Bandpass and Bandreject filters provide the best solution for pre-tuning the desired signals while rejecting the interfering signals. The method of tuning can be either mechanical via a tuning knob mounted on the front of the filter, or electro-mechanical via an optional remote digital interface such as GPIB, RS-232, RS-422 or BCD.
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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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MEMS Tunable Filter
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Optoplex’s MEMS Tunable Optical Filter is based on a patented micro-optic design with MEMS tuning technology. It is an integrated module consisting of a MEMS chip, micro-optics and control electronics and interface. When receiving a stream of optical signals of a plurality of wavelengths from the Input-Port (IN), the 2-port tunable optical filter directs a selected channel to the Output-Port (OUT). Wavelength (frequency) tuning is achieved by changing driving voltage applied to the MEMS chip, via the control electronics and the built-in firmware.
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Bandpass Filters
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ISM and RFID bandpass filter PE8700 from Pasternack is part of our extensive in-stock RF components for sale. Our ISM and RFID band pass filter is manufactured with SMA connectors that are female and in a 4 section design. This 4 section SMA bandpass filter for ISM and RFID has an insertion loss of 1.500 dB and a maximum power of 5 Watts.
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Active Probe, 2 GHz
N2796A
General Purpose Probe
The N2796A is a new generation of low-cost, single-ended active probe with the AutoProbe interface. The probe integrates many of the characteristics needed for today’s general-purpose, high-speed probing - especially in digital system design, component design/characterization, and educational research applications. Its 1MΩ input resistance and extremely low input capacitance (1 pF) provide ultra low loading of the DUT. This, accompanied with superior signal fidelity, makes this probe useful for most of today’s digital logic voltages. And with its wide dynamic range (±8 V) and offset range (±12 V), the probe can be used in a wide variety of applications.
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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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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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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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RF Filters - Band Pass
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An electronic component that lets a specific range (band) of radio frequencies pass through while blocking (attenuating) frequencies above and below that band, crucial for isolating desired signals in crowded spectrums for radios, phones, and wireless systems
