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Wavange Compatibility, Fast Assembly, Signal Integrity

A waveguide quick disconnect should not be selected only because it can be opened without conventional flange bolts. A reliable assembly must perform three functions at the same time: match the existing waveguide interface, create consistent mechanical contact, and preserve the required RF and environmental performance after repeated connections. The word “quick” describes the locking […]

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Waveguide Pressure Inlet Selection | Gas Connection, Pressure Control, Moisture Protection<

A waveguide pressure inlet should be selected as part of a complete pressurization system, not as an isolated threaded port. The inlet must match the pressurizing gas connection, waveguide size, flange interface, seal arrangement, operating pressure, relief path, tubing capacity, and moisture-control method. For most microwave transmission systems, “gas connection” refers to a connection for

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Waveguide Bulkhead Feedthrough Selection | Barrier Mounting, Pressure Sealing, Flange Alignment

A waveguide bulkhead feedthrough should not be selected by waveguide size alone. It is simultaneously an RF transmission interface, a mechanical penetration through a wall or enclosure, and—in many installations—a controlled pressure boundary. A feedthrough that fits the nominal WR size can still fail in service if the wall thickness is wrong, the cutout interferes

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Manual vs Electric Waveguide Switches | Control, Speed, Reliability

Mechanical Positioning Power-Off Operation Project Context The internal linkage mechanism positions the waveguide channel at the selected port. This mechanical switching action does not depend on electronic control and remains operable when power is unavailable. I participated in a commissioning project for a shipborne satellite communication system that used manual waveguide switches in a humid,

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Waveguide Power Handling | Continuous Wave Power and Peak Power, Breakdown Limits, Cooling

Waveguide power handling capability is the primary indicator for the selection of microwave systems. Exceeding the power limit causes breakdown discharge inside the waveguide, leading to system failure. Continuous Wave (CW) Power Peak Power Breakdown Limit Cooling Sustained thermal and electrical limits Instantaneous electric-field limit Gas, pressure, geometry, and surface-condition limit Heat-removal method and thermal

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Waveguide Frequency Bands Chart | WR Sizes, Cutoff Frequency, Applications

Waveguides provide low-loss and high-power signal transmission for microwave and millimeter-wave systems. A waveguide frequency bands chart helps engineers compare WR sizes, operating frequency ranges, cutoff frequencies, flange interfaces, and application suitability before selecting components for radar systems, satellite communications, test equipment, antenna feeds, and custom RF assemblies. Correct selection should not rely on frequency

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Waveguide Flange Size Guide | EIA Standard, IEC Types, Gasket Fit

When selecting waveguide flanges, the biggest pitfall I’ve encountered is that for the same WR model, the EIA and IEC systems share nearly identical inner widths but differ completely in bolt hole patterns, sealing grooves, and fit classes. Once, when sourcing parts for a satellite ground station, the client specified IEC standard UG-385/U, but I

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Ku-Band Satellite Antenna Selection | Weather Fade, High Throughput, Dish Size

Ku-band procurement should lock onto 1.2-meter antennas to reserve a 5dB rain fade margin. HTS requires LNBs with a 0.2dB low noise figure. Utilizing AGC technology for compensation and fine-tuning polarization angles can withstand heavy rainfall of 30mm/h, ensuring 99.9% availability for high-throughput systems. Weather Fade Operating in the 12-18 GHz range, Ku-band wavelengths are

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Flat Panel Satellite Antenna Technology | Metamaterials, Electronic Steering, LEO

Flat-panel satellite antennas utilize metamaterials for electronically controlled scanning, with a thickness of only 5cm and millisecond-level switching, perfectly adapted for LEO. Its ±60° wide-angle tracking and Ku/Ka band coverage ensure high-speed “Comms-on-the-move” (COTM). It requires software-defined beam orientation to achieve a gain of over 35dBi, reducing wind resistance and maintenance costs by 40% compared

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Log Periodic Antenna Working Principle Explained | Broadband, Self-Similar Structure

Log-periodic antennas rely on self-similar structures to achieve extremely wideband coverage, such as from 30MHz to 3GHz. During fabrication, multiple dipoles must be arranged proportionally, and the scaling factor for the length and spacing of adjacent elements is usually set to 0.85. In operation, the signal is fed into the shortest element at the very

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