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Millimeter-Wave Technology & DesignMODEL PRODUCT NAME PERFORMANCE/CAPABILITY SUMMARYFBI Fullband Isolator The series FBI full waveguide band isolator is a Faraday rotation ferritedevice. This isolator is offered from 18 to 220 GHz in ten waveguidebands. The isolator consists of a section of waveguide containing lowloss ferrite material and impedance matching elements. The isolatorhas a maximum insertion loss of 1.5 dB in K-Band and 4.5 dB in G-Band. The corresponding isolation is 25 and 20 dB.JFDFerrite Isolator andCirculatorFerrite and Filter ProductsThe series JFD junction ferrite isolator and circulator covers the frequencyrange from 18 to 100 GHz in seven waveguide bands. Theisolator and circulator provide high isolation and low insertion in arelatively small package. These units are available in twoconfigurations: single-junction and triple-junction.WBI Wide Band Isolator The series WBI wide band isolators provide an ideal solution forapplications in broadband instruments and systems, swept frequencyapplications and cryogenically cooled radio telescopes. These isolatorsfeature low insertion loss and high isolation in a compact size. Theyare also ideal for applications where space is at a premium.FLP Low Pass Filter The series FLP low pass filter provides high rejection and excellentselectivity for frequencies above the corner frequency. The filter covers18 to 110 GHz in seven waveguide bands. The insertion loss is 1 dB inK-Band and increases to 1.6 dB (max) in W-Band. The waveguide cutofffrequency determines the rejection at the lower band edge. Thisfilter has a wide stopband, rejecting up to three times the highestpassband frequency.FIB Iris Bandpass Filter The series FIB narrow bandpass filter has a passband bandwidth inthe range of 1% to 25% of center frequency. The filter offers lowinsertion loss in the passband and a high degree of selectivity. Forexample, the typical insertion loss for a filter with 2% passbandbandwidth in Ka-Band is 1.5 dB. Characteristics can be tailored to suitspecific rejection requirements. The series FIB is available in ninewaveguide bands from 18 to 220 GHz.FNP Narrow Bandpass Filter The series FNP narrow bandpass filter has a passband bandwidth inthe range of 2% to 5% of center frequency. The filter offers lowinsertion loss in the passband and a high degree of selectivity. Forexample, the typical insertion loss for a filter with 2% passbandbandwidth in Ka-Band is 1.8 dB. Characteristics can be tailored to suitspecific rejection requirements. The series FNP is available in eightwaveguide bands from 18 to 140 GHz.FHP High Pass Filter The series FHP high pass filter is designed and constructed to providea sharp skirt selectivity of low frequency with minimum insertion loss inthe passband. The typical insertion loss is 0.7 dB in K-Band, andincreases to about 1.5 dB in W-Band. The insertion loss is determinedby the corner frequency and selectivity. This filter is available in eightwaveguide bands from 18 to 140 GHz. The filter characteristics can betailored to meet specific rejection requirements.HPC High Power Circulator Millitech series HPC junction ferrite devices (circulators) cover thefrequency range from 18 to 110 GHz. The circulator is a four-port,differential phase shift device which can be configured as an isolatorby terminating two of the ports. The high isolation, low insertion loss,low VSWR (high return loss), and high power handling typical of theseferrite devices make them ideal for use with frequency sources,amplifiers, and receivers.30Millitech, Inc. •Tel: (413) 582-9620 • Fax: (413) 582-9622 • Email: info@millitech.com