QUINSTAR TECHNOLOGY

Telecommunications and electronic equipment and subsystems, namely, circular to rectangular waveguide and flange adapters for electronic equipment; Alignment pins sold as a component part of telecommunications transmitters; General purpose and broadband amplifiers; antennas, namely, Cassegrain offset feed, cassegrain reflector, dielectric horn, gaussian optics lens, horn lens, horns standard gain conical and pyramidal, monopulse, omnidirectional, prime feed, printed circuit and scalar and conical horn antennas; electrical signal attenuators, namely, direct reading precision, general purpose fixed, high power waveguide, level set, motorized waveguide, pin diode, precision, programmable and voltage-controlled variable attenuators; Circular-to-rectangular waveguide transition adapters for electronic equipment; ferrite y junction circulators in the nature of electronic components; electronic controller for motorized waveguide attenuators; Motorized waveguide phase shifters for communications apparatus; radio frequency receivers, namely, Corner cube harmonic mixers, cube mixers and cube detectors; data processing equipment, namely, high-directivity, directional, 3 and 4-port, magic tee hybrid, bi-directional, 4-port, crossguide, short slot hybrid, broadwall and general purpose couplers; stands for data processing equipment in the nature of couplers; radio frequency receivers, namely, Submillimeter wave quasioptical, tunable, flat broadband, high sensitivity and cube corner, quasioptical, detectors; multipliers, namely, High efficiency frequency and full-band multipliers; Downconverters; Drill fixtures for waveguide flange sold as component parts of telecommunication systems; voltage modulator and pin switch drivers; signal repeaters, namely, Dynamic range extenders for radio frequency receivers; Electrically-tunable oscillators; microwave and millimeter-wave Faraday isolators; Y junction circulators with ferrite components in the nature of electrical components; High pass, band reject, low pass, wide bandpass and narrow bandpass microwave and millimeter-wave frequency filters; Quick disconnect waveguide flanges sold as component parts of telecommunications hardware; Direct reading frequency meters; frequency extenders, namely, radio frequency repeaters; signal processors, namely, sweep and signal generators; Radio frequency modulators and voltage regulators in the nature of Gunn modulators and regulators; high power waveguide for electromagnetic wave delivery; Highpass microwave and millimeter-wave frequency filters; Horn lens antenna; signal splitters for electronic apparatus, namely, E and h and matched hybrid tees; Injection-locked oscillators and amplifiers; RF tuning devices, namely, Leveling loops, fixed, matched and tunable loads sold as component parts of telecommunication systems; Direct reading frequency and electric power meters; radio frequency receiver, namely, analyzer mixers; Monopulse antenna and comparator; power switches in the nature of motorized waveguide switches; electrical signal attenuators in the nature of motorized waveguide attenuators; Multipliers; Noise/gain measurement device, namely, frequency meters; frequency meters, namely, solid-state noise sources; electrical transducers, namely, Orthomode transducers; Oscillators; Pin contact hardware, namely, electronic contacts, sold as component parts of telecommunication systems; electric switches in the nature of multi-throw, high speed, high power waveguide and pin switches; electrical signal attenuators, namely, pin attenuators; microwave and millimeter-wave frequency filters, namely, Switchable, free-standing wire grid and linear-linear/linear-circular polarizers; Portable broadband heterodyne radio receiver; electric power sensors; power splitters, namely, signal splitters for electronic apparatus; electrical Precision instrument controllers; Programmable waveguide phase shifter for communications apparatus; electrical signal attenuators, namely, Programmable waveguide attenuator; radar apparatus, namely, coherent pulsed radar; FMCW and pulsed instrumentation radar apparatus; radiation detectors, namely, portable broadband radiometer and Dicke switch radiometers; Digital and analog radios; full duplex, cellular, fully synthesized 37.5 to 40 ghz pcn/pcs, digital transceivers, full duplex, militarized, and digital transceivers; High speed radios; Miniature radio receivers and transmitters; power meter sensor products, namely, electric sensors; Single sideband upconverters; antennas, namely, Standard gain horns; Straight waveguide sections for electromagnetic wave delivery; radio frequency receivers, namely, subharmonic mixers; Imaging, radiometer and spectrometer systems and contraband detection systems comprising microwave and millimeter-wave imaging systems not for medical use, radiometers in the nature of radiation detectors and spectrometers; tapered transitions sold as a component part of waveguides for electromagnetic wave delivery; signal splitters for electronic apparatus, namely, E-h hybrid, e- and h-plane and magic tees; temperature-compensated thermistor mounts sold as component parts of telecommunication systems

Design and product development of telecommunications equipment for others