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Product Alerts
Keep current on the latest products, new suppliers, and technical articles of interest to you. (See Topics) |
RF filters and microwave filters are devices that pass or reject signals by frequency. Basic types include bandpass filters, band reject filters, low pass filters, and high pass filters. Search by Specification | Learn More about RF Filters and Microwave Filters
Active filters are electronic filers that use active components such as voltage amplifiers or operational amplifiers. The amplifier shapes and stabilizes the behavior of the filter, and serves as a buffer interface to the driven component. Search by Specification | Learn More about Active Filters
Active low pass filters pass signals from low frequencies and reject signals from high frequencies. Search by Specification | Learn More about Active Low Pass Filters
RF band pass filters are active or passive circuits that pass signals from a specific frequency band and reject signals from out-of-band frequencies. Surface acoustic wave (SAW) filters, crystal filters, and cavity filters are types of band pass filters. Search by Specification | Learn More about RF Band Pass Filters
Active high pass filters pass signals from high frequencies and reject signals from low frequencies. Learn More about Active High Pass Filters
RF low pass filters pass signals from low frequencies and reject signals from high frequencies. Search by Specification | Learn More about RF Low Pass Filters
...filters or line/load reactors. There are two choices for filter type: passive and active. Passive harmonic filters are built with a series of passive components such as resistors, inductors and capacitors. These devices are the most common type... Search by Specification | Learn More about Harmonic Filters
Electromagnetic (EMI) filters and radio frequency interference (RFI) filters purify signals by attenuating the high-frequency RFI (typically 150kHz and up) and passing the low frequency EMI. Search by Specification | Learn More about EMI Filters and RFI Filters
IC electronic filters are frequency-selective circuits that consist of devices such resistors, capacitors, inductors, transistors, or operational amplifiers coupled with reactive components. Search by Specification | Learn More about IC Electronic Filters
Industrial air filters reduce the number of particles in the air that passes through them. Search by Specification | Learn More about Industrial Air Filters
Active band pass filters are used to attenuate frequencies below and above a range of frequencies (i.e., the bandwidth or passband of the filter). Learn More about Active Band Pass Filters
Optical bandpass filters are designed to transmit a specific waveband. They are composed of many thin layers of dielectric materials, which have differing refractive indices to produce constructive and destructive interference Search by Specification | Learn More about Optical Bandpass Filters
RF high pass filters pass signals from high frequencies and reject signals from low frequencies. Search by Specification | Learn More about RF High Pass Filters
RF band reject filters are tuned circuits that prevent the passage of signals within a specified band of frequencies. These devices are also known as bandstop or notch filters. Search by Specification | Learn More about RF Band Reject Filters
Active band reject filters are tuned circuits that prevent the passage of signals within a specified band of frequencies. These devices are also known as bandstop or notch filters. Learn More about Active Band Reject Filters
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SAW Filter 942.5MHz Tai-Saw Technology Co., Ltd.
SAW Filter 821.5MHz Tai-Saw Technology Co., Ltd.
SAW Filter 1747.5MHz for PCN Tai-Saw Technology Co., Ltd.
70 MHz IF SAW Filter(SMD 19X6.5mm) Tai-Saw Technology Co., Ltd.
µFILTER™ NuWaves Ltd.
Voltage Tuned Filters... Anatech Electronics, Inc.
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Low voltage/high frequency noise is caused by everyday events such as turning on machinery, motors, or equipment. Although noise is less dramatic than high voltage transients, the long term effects of these frequent disturbances can be as damaging. Filtering systems such as SolaHD Active Tracking Filters provide clean AC power by eliminating lower voltage noise. (read more)
Liebert Interceptor ATF Series active tracking filter offers the highest level of facility-wide surge protection with the lowest UL 1449 clamping ratings available. (read more)
The BHS-Autopress can be used for separating moderate to poor filtering suspensions efficiently. Media that need to be treated in closed machines for reasons of sterility, toxicity and workplace hygiene are separated safely and reliably. (read more)
The KH Model 3380 Filter Series are one, two or four channel filters providing ease of operation and the reliability Krohn-Hite has been known for since 1949; along with a price that will fit any budget. (read more)
FX20 Series, Active, Low Noise FET Frequency Doubler (read more)
FX30 Series, Active, Low Noise FET Frequency Tripler (read more)
FX40 Series, Active, Low Noise FET Frequency Quadrupler (read more)
If You Don't Prepare, You Could Face Dead Air.
Don't let AC power line spikes, transients, and noise put your broadcast operations at risk.
(read more)
The KH 3A, 3B, 3C and 3D Series of continuous-time fixed-frequency precision active filter modules from Krohn-Hite provide filtering in a 1 to 16-pole compact package, with the choice of cutoff frequencies selectable within the frequency range from 1Hz to 2MHz low-pass and 1Hz to 600kHz high-pass. (read more)
This IDTechEx report comprehensively analyzes the technologies, players and markets with detailed ten year forecasts, including tag numbers, unit prices and interrogator numbers and prices. Details of over 75 active RFID implementations are given along with over 100 suppliers and full technology analysis - from printed batteries to Wi-Fi RFID to UWB tags. (read more)
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Untitled OA-27: Low-Sensitivity, Lowpass Filter Design OA-28: Low-Sensitivity, Bypass Filter Design with Turning Method |
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An Analysis and Performance Evaluation of a Passive Filter... See National Semiconductor Information |
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Microwave Product Digest - August 2009 Ultra Low Noise MMIC Amp The PMA-545+ is a E-PHEMT based ultra low noise MMIC amplifier operating from 100 MHz to 6 GHz with a unique combination of See Microwave Product Digest Information |
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MAX2023 High-Dynamic-Range, Direct Up-/Downconversion 1500MHz... The MAX2023 low-noise, high-linearity, direct upconversion/ downconversion quadrature modulator/demodulator is designed for single and multicarrier See Maxim Integrated Products, Inc. Information |
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Wireless-Modem Power for Hand-Held Devices - Maxim While this active-low PG output is high-Z, the two resistive dividers (R6/R7, which normally monitors the secondary-battery voltage by means of a See Maxim Integrated Products, Inc. Information |
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802.16d/e RF Chipset Solution - 5.8G Band Chipset - TRF2436 -... TRF2436 Status: ACTIVE Dual Band RF Front-End Fully Integrated Up/Down Converters, LNAs, PAs and T/R Switches |
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High-Power Dual-Band (2.4-GHz to 2.5-GHz and 4.9-GHz to... ? REVISED MAY 2007 RECEIVER CHARACTERISTICS (continued) TR = Low, 2 dB base band filter loss in RX band, MIN, TYP, and MAX rating are at 25?C and V |
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STMicroelectronics | Filter-free flip-chip stereo 2 x 2.5 W... Filter-free flip-chip stereo 2 x 2.5 W class D audio power amplifer Active See STMicroelectronics, Inc. Information |
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ST7538Q power line FSK transceiver dual channel reference... Measured frequency response of the Rx active filter for 72 kHz channel (typical) . . . . . . . 27 Figure 19. See STMicroelectronics, Inc. Information |
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Dynamic Power Supply Design for High-Efficiency Wireless... 36 3.5 Filter Design and Switching Frequency............................................................ 38 3.5.1 LC filter |