METHODS AND APPARATUS TO STRUCTURE WAVEGUIDES FOR DELAYS

MULTI-MODE SPIRAL DELAY DEVICE

Multi-mode spiral delay device

Base station antenna feed boards having RF transmission lines of different types for providing different transmission speeds

Slow wave structure for millimeter wave antennas

RF phase shifter comprising a plurality of sections that include first and second transmission lines coupled to mixers configured to output signals with changeable phase gradients responsive to signals of different frequencies

ACTIVE, ELECTRONICALLY SCANNED ARRAY ANTENNA

Liquid crystal phase shifter comprising a liquid crystal cell with first and second substrates separated by a partition plate having first and second microstrips on opposing surfaces of the plate

Slow wave structure for millimeter wave antennas

Wide band radio frequency circulator

Active, electronically scanned array antenna

Wide band radio frequency circulator

METHOD OF AND SYSTEM FOR REDUCING OR SUBSTANTIALLY ZEROING ELECTRICAL POTENTIAL

True time delay module and beam former having plural delay lines selectively connected by plural switching elements including one or more intermediate switching element

Robust waveguide millimeter wave noise source

HIGH POWER PHASE SHIFTER

Active, electronically scanned array antenna

Frequency selective limiter

Serpentine delay line structure

RF phase shift apparatus having an electrically coupled path separated from an electromagnetically coupled path to provide a substantially constant phase difference therebetween

System and method for testing the speed of a microwave photonics system

Phase shift/antenna circuit having a signal line with first and third regions for engaging dielectric members and a second region that does not engage the dielectric members

Delay line having plural open stubs and complementary slots arranged to have parallel portions and non-parallel portions

Frequency selective limiter

Slow wave RF propagation line including a network of nanowires

Tunable delay line arrangement

Power dividing and/or power-combining circuits with isolation

AMPLIFIER IN DOHERTY CONFIGURATION COMPRISING A DEVICE FOR VARYING THE WORKING FREQUENCY AND METHOD THEREOF

Active, electronically scanned array antenna

Spiral surface electromagnetic wave dispersive delay line

Phase shift circuit and antenna device comprised of at least one movable dielectric body overlapping with an intersecting part of a conductor

Filter using a transmission line as a delay line

Microwave photonic true-time-delay

Precision delay line instrument

On-chip variable delay transmission line with fixed characteristic impedance

Configurable filter using a transmission line as a delay line

Microstrip line structures with alternating wide and narrow portions having different thicknesses relative to ground, method of manufacture and design structures

Coplanar waveguide structures with alternating wide and narrow portions having different thicknesses, method of manufacture and design structure

Slow wave structures using twisted waveguides for charged particle applications

TUNABLE DELAY SYSTEM AND CORRESPONDING METHOD

Coplanar waveguide structures with alternating wide and narrow portions, method of manufacture and design structure

Tunable microwave arrangements

Miniaturized DC breaker

Tunable transmission line time delay circuit having conductive floating strip segments connected by switches

Tunable waveguide delay line having a movable ridge for providing continuous delay

On chip slow-wave structure, method of manufacture and design structure

Method and system for a configurable finite impulse response filter using a transmission line as a delay line

Delay element with a perturber displaceable between first and second microstrip circuits

Method of making a waveguide

Structure, structure and method for providing an on-chip variable delay transmission line with fixed characteristic impedance

Delay line

Delay Line

Low loss electrical delay line

Adjustable delay transmission line

Subwavelength waveguide and delay line with fractal cross sections

Tunable delay line using selectively connected grounding means

Method and apparatus for electrically adjusting delay in radio-frequency systems

Adjustable delay transmission line

Semiconductor device having signal line and reference potential planes separated by a vertical gap

Apparatus for delaying radio frequency signals

Method for making a slow-wave ridge waveguide structure

Differential delay-line

Line-doubler delay circuit

Array antenna and radio communication apparatus using the same

Slow-wave structure for ridge waveguide

Adjustable delay transmission lines

Multi-mode spiral delay device

Multi-mode spiral delay device