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
General Purpose Waveguide Directional Coupler -- QDC 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...
Flange Adapter -- QFA 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...
Waveguide Flange -- QFF 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...
Waveguide Custom High Powered Termination -- QTZ
Waveguide High Powered Termination -- QTW
Waveguide Standard Termination -- QWN
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...
Amplifier Subsystem -- QBP 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...
Custom Horn Antenna -- QRR 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...
Circular Waveguide Sections and Flange -- QCW 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...
Multi-Output Power Divider -- QMD 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...
Precision Bi-Directional Coupler -- QJB
Precision Dual-Directional Coupler -- QJD
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...
Full Waveguide Band Orthomode -- QOT 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...
Motorized Programmable Phase Shifter -- QMP 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...
Band Reject and Notch Filter -- QNF 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...
Low Pass Filter -- QFL 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...
Matched Hybrid Tees and Power Divider -- QJH 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...
E & H Plane Waveguide Tee -- QUH 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...
Direct Reading Attenuator -- QAD 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...
Fixed Attenuator -- QAF 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...
Micrometer Type Level Set Attenuator -- QAL 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...
Open Waveguide Probe -- QAP Series 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...
Variable Phase Shifter -- QAS 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...
Cryogenic Circulator -- QCY Series
Cryogenic Isolator -- QCI Series
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...
Dial Type Level Set Attenuator -- QDA
Variable Phase Shifter -- QDP
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...
Bandpass Filter -- QFB 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%...
Precision Crossguide Coupler -- QJC 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...
Fullband Junction Circulators & Isolator -- QJE / QJF Series 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...
Precision High Directivity Coupler -- QJR 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...
General Purpose Crossguide Coupler -- QJX 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...
Precision Junction Circulator -- QJY
Precision Junction Isolator -- QJI Series
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...
Motorized Programmable Attenuator -- QPA 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...
Direct Reading Phase Shifter -- QPS 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...
Circular Waveguide Termination -- QTC 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...
Waveguide to Coax Adapter -- QWA 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...
Waveguide Bend -- QWB 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°,...
Circular-to-Rectangular Waveguide Transition -- QWC 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...
Linear-to-Circular Fixed Polarizer -- QWL 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...
Linear-to-Circular Switchable Polarizer -- QWQ 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...
Waveguide Raw -- QWR
Waveguide Straight Section -- QWS
Waveguide Tapered Transition -- QWP
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...
Waveguide Twist -- QWT 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.
Tunable Short -- QAT 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.
Bulkhead Waveguide Adapter -- QBA 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...
Microwave Broadband General Purpose Amplifier -- QGJ Series 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...
Millimeter-Wave General Purpose Amplifier -- QGN Series 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...
Millimeter-Wave Broadband Amplifier -- QGW Series 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...
Millimeter-Wave Broadband Low Noise Amplifier -- QLW Series 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...
Millimeter-Wave Full Waveguide Band Power Amplifier -- QPI Series 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...
Microwave Broadband Power Amplifier -- QPJ Series 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...
Millimeter-Wave High Power Amplifier -- QPN Series 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...
Coaxial PIN Attenuator -- QVA 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...
Tunable Load -- QWG 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.
Manual Waveguide Switch -- QWM 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...
E-H Tuner -- QWU 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.
Electromechanical Waveguide Switch -- QWZ 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...
Short Slot Hybrid Power Divider -- QSP 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...
Cryogenic Isolator Array -- QCC Series 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...
General-purpose Pyramidal Standard Gain Horn -- QGH Series 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...
Premium Standard Gain Horn -- QWH Series 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...
Millimeter-Wave Broadband Power Amplifier -- QPW Series 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...
High Pass Filter -- QFH 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...