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Test & Measuring Instruments -> Instrumentation I & O Devices -> Noise Rejection Filters

Noise Rejection Filters

(Showing headlines 1 - 14)   

Common Mode Filters combine EMI filtering, ESD protection.

ON Semiconductor, LLC    Phoenix, AZ 85008
May 31, 2011 Supporting data speeds to 3.4 Gbps, silicon-based EMI2121 (single pair), EMI4182, (dual pair) and EMI4183 (triple pair) offer common mode rejection of 15 dB typ at 500 MHz and insertion loss of 1.0 dB typ at 500 MHz. Integrated ESD protection, which meets peak discharge of 15 kV per IEC61000-4-2, and differential mode bandwidth cutoff frequency optimize signal integrity. CMFs protect high-speed differential ports using MIPI DSI/CSI2, USB 2.0, and HDMI interface standards.

Clock IC filters jitter from networking systems.

Silicon Laboratories Inc    Austin, TX 78727
Jul 29, 2010 Designed to remove unwanted noise on any clock frequency from 1-710 MHz, pin-controlled Si5317 produces 2 ultra-low jitter output clocks at same frequency as input. Unit delivers jitter performance of 0.29 ps rms, optimizing BER and SNR in jitter-sensitive applications. Integrating single supply voltage regulator, IC eliminates need for multiple supply rails and discrete ferrite beads. On-chip DSPLL technology eliminates need for charge pump and/or loop filter.

Thin Film Low Pass Filter suits high frequency applications.

Thin Film Low Pass Filter suits high frequency applications.

AVX Corp.    Myrtle Beach, SC 29578
May 28, 2010 Available in miniature 0402 case sizes with LGA termination for frequencies from 787 MHz to 5.5 GHz, LP0402N Series enhances harmonic performance for WiMAX, WiBro, and W-LAN applications. Products are based on thin film multi-layer technology and provide minimal insertion loss and optimal attenuation at second and third harmonics in 0402 case size. Filters are designed specifically to improve signal-to-noise ratio in wireless communication systems.

DSL NanoFilter optimizes 600 ohm telephone quality.

Pulse Engineering, Inc.    San Diego, CA 92128
Mar 26, 2010 Measuring 36 x 16.6 x 18 mm, Z-321NF in-line DSL customer premises equipment micro-filter is designed for Southeast Asia, India, and Eastern European markets with 600 ohm telephones. It offers voice and data protection by isolating DSL-band frequencies from voice-band equipment and telephone impedance changes from DSL equipment. Furthermore, DSL band attenuation prevents intermodulation distortion, resulting in optimal voice band quality and DSL data rates.

IEC Inlet Filters are offered in high attenuation versions.

Schaffner EMC, Inc.    Edison, NJ 08837
Jan 21, 2009 Models FN9244 and FN9244E, featuring integrated choke for additional EMI suppression on earth line, carry current rating up to 15 A with inductance up to 59.5 mH. With integrated filter and IEC inlet, single-stage products reduce the number of required system components and conserve time when seeking EMI approval ratings or replacing system components. Each RoHS-compliant model is UL-, CSA-, and ENEC-approved and available with multiple mounting options.

Miniature Filter cuts cellular noise on music phones.

STMicroelectronics    Lexington, MA 02421
Jan 08, 2009 Occupying 0.89 x 1.26 mm of handset PCB space, Model EMIF02-SPK02F2 provides filtering for handset's built-in speaker or stereo handset output. Device can also be connected to microphone input to isolate handset from external sources of noise, such as other cellphones. For ESD protection, IC features double-clamping structure, which clamps ESD spike to just 12 V. Filter is also suitable for notebook and desktop PCs, car audio systems, and MP3 players.

Miniature Filters cut cellular noise on music phones.

Miniature Filters cut cellular noise on music phones.

STMicroelectronics    Lexington, MA 02421
Dec 24, 2008 Occupying 0.89 x 1.26 mm footprint on PCB, EMIF02-SPK02F2 provides noise filtering for handset's built-in speaker or stereo headset output. One EMIF02-SPK02F2 can also be connected to microphone input to isolate handset from external noise sources. Product has double-clamping structure, able to clamp ESD spike to 12 V, and is suited for use in cellular handsets with MP3 capability as well as notebook/desktop PCs, car audio systems, and MP3 players.

Power Filters are optimized for DC applications.

Schurter, Inc.    Santa Rosa, CA 95403
May 06, 2008 Particularly suited for applications requiring increased attenuation of asymmetric disturbances, FMEB and FMEC series have current rating of 30 A @ 80 Vdc and aluminum housing that is potted and has metal flanges for secure mounting to chassis. Single polarity FMEB filter is designed for max operating voltage of 80 Vdc, while FMEC series offers connections for 2 polarities for 80+ Vdc max. Input side is equipped with screw clamps, and output has 6.3 x 0.8 mm quick connect terminals.

Automotive Clamp Filters negate effects of EM noise.

TDK Corp. of America    Mount Prospect, IL 60056
Jan 30, 2008 Models ZCAT08V-BK and ZCAT12V-BK counter effects of electromagnetic noise on cables that link various onboard electronic control units. Structure consists of vertically split cylindrical ferrite core with integrated resin case for mounting on cables. Resin case and core material are resistant to heat (-40 to +125°C) and shock. Offering 120 and 140 ohms impedance, respectively, ZCAT08V-BK is 33 mm long with 8 mm ID and 18 mm OD and ZCAT12V-BK is 35 mm long with 27 mm OD and 12 mm OD.

Power Filter protects AV environments from surges, noise.

American Power Conversion    West Kingston, RI 02892
Jan 11, 2007 APC AV C3 Power Filter delivers surge protection and isolated noise filtering to help eliminate power anomalies such as surges, spikes, or EMI/RFI that threaten AV component hardware, signal integrity, and system availability. Featuring 8 outlets, unit offers surge protection efficiency with less than 85 V let-through rating. Gold Coax connections and phone jack surge protection provide additional safeguard for incoming signals on dataline.

Filter Arrays suppress noise in mobile phones.

TDK Corp. of America    Mount Prospect, IL 60056
Oct 20, 2006 Measuring 1.6 x 0.8 x 0.5 mm, MEA1608PE series is comprised of 4 filter arrays with capacitance values of 15, 22, 27, or 36 pF that attenuate noise in 470-770 MHz range. These multilayer chip EMI filter arrays are intended for mobile terminals compatible with terrestrial digital television broadcasts as well as other noise countermeasure applications in 470 MHz to 2 GHz range. Each noise countermeasure component is Pb-free and RoHS-compliant.

Dual Filter provides matched response.

Dual Filter provides matched response.

Linear Technology Corp.    Milpitas, CA 95035
May 09, 2003 Model LT1568 ultra low noise (92 dB SNR) filter provides one pair of matched second order filter sections integrated on one chip. Matched filter response, gain, and phase repeatability from channel to channel is suited for I/Q applications. Internal passive and active circuitry is precisely trimmed for predictable and repeatable performance. Offered with single-ended or differential outputs, unit may be used as dual matched 2nd or 3rd order lowpass filter.

Series-Wired Filter suits control cabinet applications.

Series-Wired Filter suits control cabinet applications.

Hubbell Inc. (Delaware) / Wiring Device-Kellems Division    Milford, CT 06460
Jun 18, 2002 SpikeShield™ TDR series-wired noise filter and surge suppressor is available in 5, 15, and 20 A 120 V models as well as one 20 A 230 V 3-wire international model. Dry contacts are available for models rated at 120 V for remote signaling capability. Model rated at 230 V comes standard with dry-contacts. Noise filter and surge suppressor is suitable for protecting sensitive electronics in MRO and OEM control cabinet applications.

Noise Filters suit clock output signal line applications.

Noise Filters suit clock output signal line applications.

Koa Speer Electronics, Inc.    Bradford, PA 16701
Mar 14, 2002 KC series distributed constant circuit type noise filters offer capacitance tolerance of ±30%, inductance tolerance of ±15%, and inductance value of 10nH. Rated voltage is 25V with operating temperature range of -40 to 85° C. Filters are available in case size 1206, and are suitable for flow, reflow or iron soldering. KC series 3-terminal capacitor/inductors are designed for use in applications such as noise reduction and in/out video signal lines.

(Showing headlines 1 - 14)   

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