Matches 251 - 300 out of 449 < 1 2 3 4 5 6 7 8 9 >
Match Document Document Title
3599118 VARACTOR TUNED NEGATIVE RESISTANCE DIODE MICROWAVE OSCILLATORS  
A varactor tuned oscillator circuit comprising an outer conductor of a TEM line and an inner conductor comprised of varactor means in series with an active two terminal solid state power generation...
3594667 MICROWAVE WINDOW HAVING DIELECTRIC VARIATIONS FOR TUNING OF RESONANCES  
A high-power microwave window structure is disclosed. The window structure includes a hollow waveguide having a dielectric wave permeable gastight partition sealed thereacross to form the window...
3582842 RESISTIVE FILM CARD ATTENUATOR FOR MICROWAVE FREQUENCIES  
A microstrip attenuator includes a ground plane and a signal conductor supported on a dielectric material above the ground plane. The signal conductor is interrupted for a portion of its length. A...
3582813 NEGATIVE-RESISTANCE MULTIPLE-ELEMENT COMBINER  
This invention relates to microwave networks in which radio frequency energy from a multiplicity of sources may be combined into a single transmission line when these sources are of the same...
3571651 LOG PERIODIC ELECTRON DISCHARGE DEVICE  
A log periodic electron discharge device is disclosed which, in one form, is an RF amplifier including a conical slow-wave circuit defining an electron beam path therethrough. The slow-wave circuit...
3569871 WAVEGUIDE TAPER OF MINIMUM LENGTH  
A low-cost waveguide taper for interconnecting two circular waveguides which differ substantially in size is constructed from a plurality of reinforced, thin-walled conical sections having...
3546604 PHASE SHIFTERS  
3539951 HIGH FREQUENCY DEVICE COMPENSATION  
3538461 BROADBAND WAVE GUIDE WATERLOAD OF THE TYPE EMPLOYING A QUARTER WAVE WINDOW TRANSFORMER  
3528038 TAPERED LINE DIRECTIONAL COUPLER  
3527976 LOG PERIODIC ELECTRON DISCHARGE DEVICE  
3528041 BROADBAND DOUBLE RIDGED WAVEGUIDE BALUN  
3525937 MATCHED IMPEDANCE TEST PROBE FIXTURE  
3525057 IMPEDANCE-MATCHING DEVICE  
3523260 MICROSTRIP BALUN  
3521180 ACTIVE TRANSMISSION LINE DEVICE  
3518691 TRANSITION STRUCTURE FOR BROADBAND COUPLING OF DIELECTRIC ROD ANTENNA TO COAXIAL FEED  
3514725 COAXIAL TYPE HELICAL STRIP SLOW WAVE STRUCTURE  
3509495 STRIP TRANSMISSION LINE TERMINATION DEVICE  
3508175 CONTIGUOUS SLOTTED AND UNSLOTTED WAVEGUIDE PORTIONS HAVING SUBSTANTIALLY THE SAME CHARACTERISTIC IMPEDANCE  
3506935 NONREFLECTING COAXIAL LINE SECTION  
3495191 MICROWAVE PHASE SHIFTER  
3478282 COUPLINGS BETWEEN WAVEGUIDES AND COAXIAL LINES  
3478281 TEM MODE DIRECTIONAL COUPLER HAVING DIELECTRIC COMPENSATING MEANS  
3457418 OPTICAL IMAGE AMPLIFIER UTILIZING ELECTRON AVALANCHES IN A GAS  
3452302 COUPLING OF DIELECTRIC TO METALLIC WAVEGUIDES  
3450990 FREQUENCY INDICATION SYSTEM  
3445790 FERRITE WAVEGUIDE DEVICE HAVING MAGNETIC RETURN PATH WITHIN THE WAVEGUIDE  
3443030 PULSE TRANSMISSION CABLES  
3419813 Wide-band transistor power amplifier using a short impedance matching section  
3418601 Waveguide phase-locked oscillators  
3414756 Impedance matched periodic microwave circuits and tubes using same  
3411112 Ferrimagnetic couplers employing a transition from air dielectric waveguide to solid dielectric waveguide  
3393384 Radio frequency coaxial high pass filter  
3390356 Tem mode coupler having an exponentially varying coefficient of coupling  
3376520 Thin magnetic film impedance transformer  
3372331 Gyromagnetic spectrometer having a tapered dielectric transition between a coaxial line and a helix structure  
3370257 Wide band impedance transformer  
3359452 Resonator for supporting non-sinus-oidal preiodic waveforms  
3354412 Stripline termination device having a resistor that is shorter than one quarter wavelength  
3340482 Variable parameter x-band oscillator with temperature compensation  
3336495 Ceramic loaded buncher for linear accelerators  
3334349 Electromagnetic wave transmissive metal walls utilizing dielectric rods  
3325671 Klystron device having fluid cooled tunable cavities and output window mode suppression means  
3325752 Microwave connector  
3324426 Variable impedance transmission line  
3323082 Cosinusoidally distributed microwave impedance transformer  
3320556 Impedance transformer  
3300728 Quadrupole parametric amplifier with gradual pump transition  
3296457 Matched single pole single throw diode microwave switch  
Matches 251 - 300 out of 449 < 1 2 3 4 5 6 7 8 9 >