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Provides brick wall type minimalisation of
spurious low frequency phenomena that may
otherwise invalidate data from piezo-electric
sources. Supposed vibration acceleration signals
may contain thermal and strain induced noise
elements, both constrained to the low frequency
end of the spectrum by reason of thermal mass
and the 1/fo
2 relationship between acceleration vs.
displacement respectively.
The filter of course acts as the boundary fo,
between valid data (>fo) and this type of noise.
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This FM rejector filter is used to filter out unwanted excessive FM frequencies in your OATS, or other EMC testing facilities.
These frequencies can interfere with your test set-up, spectrum analyzer bandwidth etc.
Caution should be used if your products emissions are in this filter's frequency range as it will reject them as well.
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Maxim provides a wide range of anti-aliasing and post-DAC filters that improve system performance for frequencies up to 300kHz and complement Maxim's ADC and DAC product lines.
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Prescalers
The high-performance UltraCMOS™ RF Prescaler family offers a fixed divide ratio of 2, 4, or 8 and an operating frequency ranging from DC to 3.5 GHz on a nominal 3 V supply while drawing only 12 mA. Packaged in small 8-lead TSSOP, 8-lead MSOP, or 6-lead SC70, these devices are ideal for microwave PLL synthesis solutions.
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The SP4740 divide 256 prescaler a high speed divider for consumer frequency synthesis and measurement systems. It has a low supply current, giving reduced dissipation and operating temperatures in an 8-pin plastic DIL (DP8) or miniature plastic DIL (MP8) package. Spurious radiation has been reduced from all stages. The SP4740 incorporates an on-chip preamplifier with differential inputs and has a TTL/CMOS compatible output.
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General Description
The FMS6146 Low-Cost Video Filter (LCVF) is intended to replace passive LC filters and drivers with a low-cost integrated device. Six 4th-order filters provide improved image quality compared to typical 2nd or 3rd-order passive solutions.
The FMS6146 may be directly driven by a DC-coupled DAC output or an AC-coupled signal. Internal diode clamps and bias circuitry may be used if AC-coupled inputs are required (see Applications section for details).
The outputs can drive AC- or DC-coupled single (150W) or dual (75W) loads. DC coupling the outputs removes the need for output coupling capacitors. The input DC levels are offset approximately +280mV at the output (see Applications section for details).
Features:
- Six 4th-order 8MHz(SD) filters
- Drives single AC- or DC-coupled, video loads
- Drives dual, AC- or DC-coupled, video loads
- Transparent input clamping
- AC- or DC-coupled inputs
- AC -or DC- coupled outputs
- DC- coupled outputs eliminate AC-coupling capacitors
- 5V only
- Robust 8kV ESD protection
- Lead free TSSOP - 14 package
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This 30MHz filter is recommended for any radiated emissions testing.
The High Pass filter will filter out all frequencies below 30MHz which are in the ambient noise during the pre-compliance or compliance testing.
Radiated signals below 30MHz can be high in magnitude, and can interfere with your testing or spectrum analyzer.
By putting an RF700 in front of your spectrum analyzer's RF input, you will be assured cleaner test results.
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Space saving SIP design.Less than 0.3 dB insertion loss
Available in 3rd order Butterworth and 7th order elliptical alignments
50 Ohm characteristic impedance (75 Ohm also available)
Samples of 12 values are available in Coilcraft Designer's Kit D301
RoHS-compliant. Matte tin over nickel over phos bronze terminations.
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Designed to reduce conducted mains borne EMI, this extensive range provides many solutions to EMI problems. To meet individual design requirements the filters are available with two attenuation options – standard and medical. Current ratings are from 1 to 10 amps with single or twin fused types also available.
The choice of mounting options will suit most applications with flange, snap to panel or base/bulkhead.
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Complementing our premium line of EMI filtered and unfiltered connectors, we offer a variety of specialty filtered connectors, and a wide range of value-added harnessing products and services for all your commercial, industrial and military needs. With a complete line of compact and extended shell filter connectors, Spectrum provides vast design flexibility to reduce the amount of real estate required within a product enclosure.
Our unfiltered connectors are built to meet various environmental and mechanical requirements as well as MIL specifications, providing you with a custom shell to fit your space. Power, signal and coax line combinations are available, each built with integral strain relief to ensure a high quality connector.
To meet the highest workmanship standards, our MIL-STD-2000 certified operators and manufacturing engineers work in well-equipped, modern facilities to build and design tooling and fixturing of the tightest tolerance. By providing interconnect assemblies, our custom harnessing products are in compliance with all requirements. Services include lead wire preparation, soldering and tinning, marking and ribbon cable processing.
• Custom configurations of filtered MIL-STD connectors available
• Specialty EMI filtered and unfiltered connectors
• Tubular and planar filtered arrays using Pi, LC, T and C circuits with TVS protection available
• Effective insertion loss from 1MHz to 18GHz with proper installation
• Connector temperature range of -55°C to +125°C
• All harnessing built in accordance with IPC-A-610 and J-Std-001
• Harnessing temperature range of -55°C to +200°C
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Pasternack's DC Blocks are primarily used to protect DC-sensitive RF circuitry in applications where DC power might exist on a transmission line or where a DC power spike might be generated. The DC Blocks operate to 18 GHz and are available in inner-only, outer-only and inner/outer DC block configurations.
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A specialized range of I/O connectors equipped with capacitive filter elements enabling engineers to design network and communications equipment to meet FCC and other national standards governing the level of emissions of RFI and EMI energy.
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Eliminates the problem of conducted EMI in data line applications
Provide common- and differential-mode noise attenuation.Reduce noise by a factor of 32 from 15 MHz to 300 MHz.High current (500 mA) versions available.300 Vrms isolation.Excellent environmental stability and low cost Available in 4, 3 and 2 line versions
Consider our CCDLF series for 10 and 8 line applications
RoHS-compliant. 260°C compatible. Tin-silver-copper over tin over nickel over phos bronze terminations.
Samples of all values plus samples of CCDLF and through-hole versions are available in Coilcraft Designer's Kit D303
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Amphenol EMI / EMP Protection connectors offer the versatility of standard connectors with EMI / EMP protection for sensitive circuits. Internal housing of the EMI / EMP devices eliminates costly and bulky exterior discrete protection devices.
Virtually all major MIL-Spec cylindricals can be incorporated with filter devices :
- MIL-DTL-38999 - MIL-DTL-5015
- MIL-C-26482 - MIL-C-27599
- MIL-C-83723 - MIL-C-26500
Amphenol offers filter connectors that include :
- EMP protection using diodes
- EMP protection utilizing metal oxide varistors (MOV’s)
- Filtered plug connectors
- Filtered hermetic connectors
- Programmable filtered connectors with rear removable and rear insertable crimp contacts
- Filter connectors with ESD protection
- Combinations of filtering devices within one connector package
Advantages of Filter Connectors :
- Reduction in overall weight and space with the elimination of external filter circuits
- Reduction of solder junctions
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We offer a filter adapter set that has a variety of sizes and capacitance values for use in testing and evaluation of equipment.
The adapter set consists of our filter adapters with a capacitance range of 370 pF to 1300 pF, from 9 to 50 positions.
These adapters utilize our patented planar filter technology and high reliability gold plated precision screw machine contacts, which are available in three quality classes.
Our adapters are supplied with screw locking hardware with 4-40 UNC or M 3 thread. The adapters can be mounted on the panel or inline with cable assemblies.
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The Camfil Farr Pharmaseal provides cleanroom level air filtration for pharmaceutical or biotechnology facilities as well as any oterh facility where clean space ia a manufacturing or health-related requirement.
Housing is leak tested at 3.0" w.g. to ensure the housing will not leak under normal operating conditions. The housing is also visually inspected and tested for filter fit.
Is manufactured in various configurations from 0.63 aluminum or 16-gauge stainless steel.
May be installed in a T-bar ceiling or flush mounted in a solid ceiling.
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The Defensor PH15 and PH 27 generate humidity on the basis of the evaporator principle: Air absorbs moisture when passing through the damp mat and is then released into the room air through the air cleansing filter set, practically free of bacteria. Dust and other particles greater than 0.05 micrometers are filtered out. Environment gases and odours are filtered out.
• Automatic mode for energy saving
• Easy and convenient handling
• Air-purifying with Quattro filter system
• Direct connection for water supply
• Low running noise
• Turnkey unit, no installation outlay
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HOOD-IT
Terminal Filtration Unit designed for installation in the most common prefabricated false ceilings, ideal for the creation of small/medium controlled contamination areas.
Applications:
Clean Rooms for the Electronic, Optical, Mechanical, Aerospace, Pharmaceutical, Medical industries and Hospitals.
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AIR-1-HT
Independent filter fan units designed for large Sterile Rooms and/or Laminated Airflow Systems, where the levels of cleanliness, noise and absorption are extremely strict.
The AIR-1-HT series Filter Fan Units offer cutting edge technology for modern Sterile Rooms.
Appliances:
Sterile Rooms and Laminar Airflow Systems for the Microelectronic, Electronic, Optical, Mechanical, Aerospace, Pharmaceutical, Medical industries and Hospitals.
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