QuinStar Technology, Inc. Datasheets for RF Waveguide Components

RF waveguide components are circular, elliptical or rectangular metal tubes or pipes through which electromagnetic waves are propagated in microwave and RF communications. The wave passing through the medium is forced to follow the path determined by the physical structure of the guide.
RF Waveguide Components: Learn more

Product Name Notes
QuinStar products QDC series broadband directional couplers are multi-hole waveguide couplers. The QDC series couplers are offered in 7 waveguide sizes from 18.0 to 110 GHz. Nominal coupling of 10...
QuinStar series QFA Flange Adapters are used to facilitate connection between different types or formats of flanges used for the same waveguide size. These are produced in various waveguide bands...
QuinStar series QFF precision machined waveguide flanges are offered for virtually any waveguide size and flange style in 12.4 to 220 GHz range covering waveguide bands WR-62 (KU) to WR-5...
QuinStar Technology offers a broad line of waveguide terminations in a variety of shapes and style, wide range of power handling capacities and cooling methods to suit both typical and...
QuinStar Technology offers a complete line of amplifier subsystems for use in virtually any millimeter-wave subsystem for communication, radars, sensors and specialized instruments. In addition to many standardized models, customized...
QuinStar Technology offers a wide range of custom horns available in the 18-140 GHz frequency range. Products include conical and scalar (corrugated) horns and very wide beam pyramidal and sectoral...
QuinStar Technology offers circular waveguides (flanged and unflanged) for operation in the TE11 mode for frequencies from 12 to 220 GHz in all standard and many custom internal diameters ranging...
QuinStar Technology offers compact multi-output power dividers for frequencies in the 18 to 140 GHz range as standard and customized products to suit specific application and assembly needs. Typical configuration...
QuinStar Technology offers QJB and QJD series Precision Bi-directional and Dual-directional High Directivity Couplers, which cover a frequency range of 18 to 220 GHz in twelve waveguide bands. Coupling values...
QuinStar Technology offers QOT Series orthomode transducers covering full waveguide bands from K band through W band covering 18 to 110 GHz in seven bands. These orthomode transducers (OMT) are...
QuinStar Technology offers series QMP Motorized Rotary Vane Phase Shifters in all waveguide bands from 18.0 to 110 GHz. The QMP series is a motorized, computer controllable version of QuinStar’s...
QuinStar Technology offers Series QNF Band-Reject and Notch Filters at any rejection frequency in the 18-185 GHz range. The performance of these filters is custom-tailored to suit the specific attenuation...
QuinStar Technology series QFL Low Pass filters provide high rejection level and steep skirt selectivity for frequencies above the band edge or corner frequency. Their pass band has low insertion...
QuinStar Technology’s QJH series of matched hybrid tees (magic tees) cover the frequency range of 18 to 170 GHz in nine waveguide bands. These four-port devices are used for balanced...
QuinStar Technology’s E-plane tees consist of a length of standard flanged waveguide with a perpendicular E-plane coupling arm symmetrically located on the broad waveguide wall. Input power is divided equally...
QuinStar Technology’s QAD series of direct reading attenuators are designed and built for precision millimeter-wave measurements. These instruments cover the range of 26.5-170 GHz in eight waveguide bands. Series QAD...
QuinStar Technology’s QAF series fixed attenuators are available in seven waveguide bands covering the frequency range of 18 to 110 GHz. The fixed attenuators feature low VSWR in five standard...
QuinStar Technology’s QAL series level set attenuators are available in seven waveguide bands covering the frequency range of 18 to 110 GHz. The level set attenuators incorporate a micrometer which...
QuinStar Technology’s QAP series open waveguide probes have been carefully designed to perform near-field measurements. These probes are compatible with many standard waveguide sizes and can operate over a large...
QuinStar Technology’s QAS series variable phase shifters are available in seven waveguide bands covering the frequency range of 18 to 110 GHz. The phase shifters incorporate a micrometer which enables...
QuinStar Technology’s QCY series Cryogenic Circulators and QCI series Cryogenic Isolators are custom-designed field-displacement devices with exceptional broadband performance. These are often used in conjunction with QuinStar’s series QCA Cryogenic...
QuinStar Technology’s QDA and QDP series Level Set Attenuators and Phase Shifters operate over the full waveguide band, and are offered in 7 waveguide bands covering the frequency range of...
QuinStar Technology’s QFB series waveguide bandpass filters are available in ten waveguide bands covering the frequency range of 18 to 220 GHz. Bandwidths may be specified from 2% to 20%...
QuinStar Technology’s QJC series of compact precision crossguide directional couplers cover the frequency range of 18 to 170 GHz in nine waveguide bands. Three-and four-port configurations are available for standard...
QuinStar Technology’s QJE series fullband junction circulators and QJF series fullband junction isolators are available in two waveguide bands covering the frequency range of 18 to 40 GHz. These H-plane...
QuinStar Technology’s QJR series precision high directivity couplers cover the frequency range of 18 to 170 GHz in nine waveguide bands. They are available in 3 port configurations with coupling...
QuinStar Technology’s QJX series of compact general purpose 3-port crossguide directional couplers cover the frequency range of 18 to 60 GHz in four waveguide bands with midband nominal coupling values...
QuinStar Technology’s QJY series precision junction circulators and QJI series precision junction isolators are available in seven waveguide bands covering the frequency range of 18 to 110 GHz. Single-junction isolators...
QuinStar Technology’s QPA series precision Motorized Programmable Rotary Vane Attenuators are available in full waveguide bands from 7.0 to 170.0 GHz. Attenuation control can be either manual via a front...
QuinStar Technology’s QPS series of direct reading phase shifters are designed and built for precision millimeter-wave measurements. These instruments cover the range of 26.5-110 GHz in six waveguide bands. Series...
QuinStar Technology’s QTC series termination is a section of circular waveguide with an integral conical load made from a dielectric absorber material. The long precise taper allows optimum absorption of...
QuinStar Technology’s QWA series waveguide to coax adapters allow an efficient method of transition from rectangular waveguide to a coaxial connector. Full waveguide band adapters are available from 12.4 to...
QuinStar Technology’s QWB series waveguide bends cover the frequency range of 18 to 220 GHz in ten waveguide bands. E-Plane and H-Plane formed bends are available with angles of 30°,...
QuinStar Technology’s QWC series circular-to-rectangular waveguide transitions cover the frequency range of 18 to 220 GHz in ten waveguide bands. The waveguide transitions are used to connect standard rectangular waveguide...
QuinStar Technology’s QWL series linear-to¬-circular fixed polarizers cover the frequency range of 12.4 to 110 GHz in eight waveguide bands. Fixed polarizers are sections of circular waveguide with a built-in...
QuinStar Technology’s QWQ series linear-to¬-circular switchable polarizers cover the frequency range of 12.4 to 170 GHz in ten waveguide bands. Series QWQ switchable polarizers have an internal polarizing card that...
QuinStar Technology’s QWS, QWR and QWP series waveguide straight sections, raw waveguide and tapered transitions cover the frequency range of 18 to 220 GHz in ten waveguide bands. Straight waveguide...
QuinStar Technology’s QWT series waveguide twists cover the frequency range of 18 to 220 GHz in ten waveguide bands. The twists allow a change of orientation in a waveguide assembly.
QuinStar Technology’s series QAT tunable shorts are available in nine waveguide bands. They provide full waveguide band coverage and are ideally suited for precision measurements, experimental testing and developmental tuning.
QuinStar Technology’s series QBA waveguide bulkhead adapter was developed for use as panel feed-through in assemblies and equipment packaging. These adapters operate over the full waveguide bandwidth in waveguide bands...
QuinStar Technology’s series QGJ broadband high gain general purpose amplifiers are ideally suited for very wide band amplification. The amplifiers are offered with nominal gains in 13-40 dB range, and...
QuinStar Technology’s series QGN amplifiers are ideally suited for most common applications requiring high RF gain over a relatively narrow bandwidth. The amplifiers are offered with nominal gains of 20...
QuinStar Technology’s series QGW broadband general purpose, high gain-amplifiers are ideally suited for power amplification over a wide bandwidth with gain and output power to suit virtually any application in...
QuinStar Technology’s series QLW low noise amplifiers utilize advanced MMICs and discrete devices for state-of-the-art noise performance in the 2-110 GHz frequency range. The majority of these amplifiers offer greater...
QuinStar Technology’s series QPI power amplifiers provide state-of-the-art high power performance in the 18-75 GHz frequency range. The standard amplifier products are offered with either a coaxial connector or waveguide...
QuinStar Technology’s series QPJ power amplifiers offer state of the art power performance in the 0.5-18 GHz frequency range. A wide range of gain values is offered for significantly high...
QuinStar Technology’s series QPN power amplifiers utilize advanced Millimeter wave Monolithic Integrated Circuits (MMICs) and discrete devices for state-of-the-art power performance up to 4 GHz bandwidth in the 18-95 GHz...
QuinStar Technology’s series QVA coaxial variable PIN attenuators cover the frequency range from DC to 50 GHz. They offer a low insertion loss and a large attenuation range, typically up...
QuinStar Technology’s series QWG tunable loads are available in nine waveguide bands. They provide full waveguide band coverage and are ideally suited for precision measurements, experimental testing and developmental tuning.
QuinStar Technology’s series QWM waveguide switches are manual 4-port devices. They have a 3-channel rotor accurately indexed to eight 45 degree positions that allows each port to be connected or...
QuinStar Technology’s series QWU E-H tuners are available in nine waveguide bands. They provide full waveguide band coverage and are ideally suited for precision measurements, experimental testing and developmental tuning.
QuinStar Technology’s series QWZ electromechanical waveguide switches are 4-port mechanical devices that are rotational solenoid driven and electronically controlled. They have a bi-directional rotor accurately indexed to 90 degree positions...
QuinStar Technology’s short slot hybrid is a narrow wall 3 dB coupler, available in standard waveguide sizes from 18 to 110 GHz. This compact, four-port device is inherently matched and...
QuinStar’s QCC series Cryogenic Isolator Arrays are individually tuned, shielded, and packaged in a compact housing. Each channel is designed to have direct conductive heat path for rapid cooling. The...
QuinStar’s QGH series of standard gain horn antennas cover the frequency range of 26.5 to 110 GHz in six waveguide bands with a nominal mid-band gain of 24dB. These horns...
QuinStar’s QWH series of standard gain horn antennas cover the frequency range of 18 to 220 GHz in 10 waveguide bands. They are available with either a rectangular aperture (pyramidal...
QuinStar’s series QPW power amplifiers utilize advanced MMICs and discrete devices for state-of-the-art CW power performance in the 16-95 GHz frequency range with minimum bandwidth of 5 GHz. The standard...
Series QFH High-Pass Filters provide sharp skirt selectivity and high rejection levels for frequencies below their cutoff frequency and have minimum insertion loss in the pass band. Figure 1 shows...