Contents List

Notes:

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The term "Microwave" (MW) is generally interpreted as frequencies below 18 GHz, and "Millimeter-Wave" (MMW) as frequencies of 18 Ghz or above.

Amplifier Products

	Microwave Broadband Low Noise Amplifiers (QLJ Series)
	Microwave Broadband General Purpose Amplifiers (QGJ Series)
	Microwave Broadband Power Amplifiers (QPJ Series)
	Millimeter Wave Broadband Amplifiers (QGW Series)
	Millimeter Wave Broadband Low Noise Amplifiers (QLW Series)
	Millimeter Wave Broadband Power Amplifiers (QPW Series)
	Millimeter Wave General Purpose Amplifiers (QGN Series)
	Millimeter Wave Full Waveguide Band Power Amplifiers (QPI Series)
	Millimeter Wave Low Noise Amplifiers (QLN Series)
	Millimeter Wave Narrowband Power Amplifiers (QPN Series)
	Cryogenically Cooled Amplifiers and Systems (QCA Series)
	CW Injection-Locked Gunn Amplifiers (QTI Series)
-	Amplifier Outline Drawings

Receiver Products

	Broadband Detectors (QEA Series)
	Balanced Phase Detectors (QEP Series)
	Harmonic Mixers and Diplexers (QMH Series)
	Spectrum Analyzer Mixers (QMA Series)
	Single Ended Mixers (QMS Series)
	Balanced Mixers (QMB Series)
	Upconverters (QMU Series)
	Ultra Broadband Coaxial Mixers (QMC Series)
-	Subharmonic Mixers (QHS Series)
-	Active Mixers/Receivers (QAM Series)
-	Coaxial Mixers (QCM Series)
-	Image-reject and Single Sideband Mixers - Single Sideband Upconverters (QSM Series)
-	I-Q Mixers (QMI Series)
-	Bi-phase Modulator (QBP Series)

Sources and Frequency Multipliers

	Mechanically-Tunable Gunn Oscillators (QTM Series)
	Varactor-Tunable Gunn Oscillators (QTV Series)
	Gunn Regulators/Modulators (QCR Series)
	High Power IMPATT Diodes (QID Series)
	Stable Millimeter Wave Sources (QSO Series)
	Phase Locked Oscillators (QPL Series)
	Active Frequency Multipliers (QMM Series)
	Passive Frequency Multipliers (QPM Series)
	Noise Sources (QNS Series)
	Frequency Extenders (QBE Series)
	Up-converters, Wide Band SSB, Ka-W Bands (QBU-series) New!

Control Components and Ferrite Products

	Precision Junction Circulators and Isolators (QJY/QJI Series)
	Fullband Junction Circulators and Isolators (QJE/QJF Series)
	Fullband Isolators and Modulators (QIF/QIM Series)
	Broadband Cryogenic Circulators and Isolators (QCY/QCI Series)
	Variable PIN Attenuators (QSA Series)
	PIN Switches (QSS/QSD/QSn Series)
	Coax PIN Switches (QSC Series)

Test Equipment and Instrumentation Products

	Manual Waveguide Switches (QWM Series)
	Electromechanical Waveguide Switches (QWZ Series)
	Micrometer Type Level Set Attenuators and Variable Phase Shifters, Fixed Attenuators (QAF/QAL/QAS Series)
	Dial Type Level Set Attenuators and Variable Phase Shifters (QDA/QDP Series)
	Direct Reading Attenuators and Phase Shifters (QAD/QPS Series)
	Motorized Programmable Attenuators (QPA Series)
	Motorized Programmable Phase Shifter (QMP Series)

Systems, Subsystems and Assemblies

	Systems Products Capability
	Assemblies and Subsystem Experience
	Cryogenically Coolable Products & Capabilities

Waveguide Products and Filters

	Emergency Expedited Custom Waveguide Service
	Precision General Purpose Couplers (QJG Series)
	Precision High Directivity Couplers (QJR Series)
	Precision Bi-directional and Dual-directional Waveguide Couplers (QJB/QJD Series)
	Bi-directional and Dual-directional Waveguide Couplers (QBC Series)
	Broadband Waveguide Directional Couplers (QDC Series)
	Precision Crossguide Couplers (QJC Series)
	General Purpose Crossguide Couplers (QJX Series)
	Matched Hybrid Tees (QJH Series)
	E and H Plane Waveguide Tees (QUH Series)
	Short Slot Hybrid Power Divider (QSP Series)
	Single and Triple Ring Hybrid Power Divider (QHR Series)
	Multi-Output Power Divider (QMD Series)
	Bandpass Filters (QFB Series)
	High Pass and Low Pass Filters (QFL/QFH Series)
	Band Reject and Notch Filters (QNF Series)
	Waveguide Straight Sections, Bends, Twists and Custom Waveguide Assemblies (QWS/QWR/QWB/QWT/QAC Series)
	Waveguide Terminations, Standard and Custom (QWN/QTW/QTZ Series)
	Waveguide Tapered Transitions (QWP Series)
	Circular Waveguide Sections and Flanges (QCW Series)
	Tunable Loads, Tunable Shorts, and E-H Tuners (QWG/QAT/QWU Series)
	Waveguide Bulkhead Adapters (QBA Series)
	Waveguide Flange Adapters (QFA Series)
	Waveguide Flanges (QFF Series)
	Waveguide Dowel Pins (QDP Series)
	Waveguide Captivated Flange Screws (QFS Series)
	Precision Waveguide Drill Jigs (QDJ Series)
	Waveguide Stands (QVS Series)
-	Waveguide Pressurizing Unit (QPU Series)
	Waveguide to Coax Adapters (QWA Series)
	Waveguide Switches: see Test Equipment & Instrumentation Products
-	Variable Attenuators: see Test Equipment & Instrumentation Products
-	Phase shifters: see Test Equipment & Instrumentation Products

Antenna Products

	Standard Gain Horn Antennas (QWH Series)
	Custom Feed Horn Antennas (QRR Series)
	Narrow Beam Scalar Feed Horns (QSH Series)
	Wide Beam Scalar Feed Horns (QSW Series)
	Sectoral Horn Antennas (QSF Series)
	Omnidirectional Antennas (QOD Series)
	Lens Antennas (QLA Series)
	Cassegrain Reflector Antennas (QRC Series)
	Orthomode Transducers (QWO Series)
	Orthomode Transducers, Full Band (QOT Series)
	Linear-to-Circular Fixed and Switchable Polarizers (QWL/QWQ Series)
	Circular-to-Rectangular Waveguide Transitions (QWC Series)
	Mode Transitions, TE01 to TE10 (QMT Series)
	Mode Filters (QMF Series)
-	Circular Waveguide Terminations (QTC Series)
-	TE01 Circular Waveguide Sections and Flanges (QCL/QCF Series)
	Rotary Joints (QRJ Series)
	Custom Antenna Design and Manufacturing
-	Antenna Selection Guide (Catalog Appendix O)

References & Supplemental Information

	About Our Company
	ISO Certification (pdf)
	New Products
	News Releases
	Advertisement Archives
	MPI-to-QuinStar Product Number Cross-Reference
	Application Notes
	Amplifier Outline Drawings
	Technical Reference
	Waveguide FAQ: E Plane vs. H Plane Bend & Flange Keying
	Warranty
	Download QuinStar Catalog (pdf, 6.8m)
	Catalog Changes List
	Catalog Appendix A-N
	Catalog Appendix O (Antenna Selection Guide)
	Catalog Request
	Quote Request
	Industry Links