Understanding Double Ridged Waveguides Double ridged waveguides are an important development in the field of waveguide design as they provide superior characteristics to both their single-ridged and standard counterparts. This can be seen clearly when comparing their fundamental characteristics, the behavior of transverse electric modes and the critical role of ridge dimensions in wave propagation. […]
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Understanding SATCOM Antenna Basics Definition and Role in Communication Satellite communication antennas are the kinds of antennas that have a crucial function in the means of satellite communication. Since the satellite communication mode of communication transfers state, voice as well as video data over space, it is the indispensable function of mobile satellites to assist
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Standard waveguide refers to a rectangular metal waveguide manufactured according to international standards (such as the US RSGB or the national standard GB). The commonly used model is WR-90 (22.86mm×10.16mm), and the operating frequency is 8.2-12.4GHz. The model should be selected according to the frequency to ensure that the interface size matches, the flange type
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May 28th, 2023 – Xi’an, SHAANXI – Dolph Microave, a design and manufacturer of superior waveguide components, antennas – is pleased to announce to announce the completion of the design and production of the 8-18GHz WRD650 waveguide isolator, It use a Y-junction structure housed in standard double ridge waveguide with one addition of a matched
WRD650 Isolators | 8.0GHz – 18.0GHz | 250W Forward/ 200W Reverse | Isolation 15dB Read More »
Dolph Microwave places significant design emphasis on optimizing the selection and bias point of the ferrite material used in their circulators. This prioritization is aimed at minimizing the insertion loss and maximizing the isolation at the desired frequency, bandwidth, and power level. By carefully choosing and biasing the ferrite material, Dolph Microwave ensures that the circulators
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Block type directional couplers are passive devices mainly used in the field of wireless technology. They couple the defined amount of electromagnetic power in the transmission line to the port, allowing the signal to be used in another circuit. Dolph Microwave’s DH-900WBDC25PPPPC broadband directional coupler is a wide walled porous energy coupling device operating in the
W-Band, 75-110GHz, WR10 Full band, Block Type Directional Couplers Read More »
Dolph Microwave manufactures standard gain horn antennas specifically designs for utilization in emissions and immunity testing over the frequency range of 0.32 to 110 GHz. And, they offer high power handling capability, and low loss, also high directivity, and near constant electrical performance across a wide bandwidth, low gain variation across their operating frequency. In
【Standard Gain Horn Antenna】WR90 15dB SMA, Standard Gain Horn Antenna Read More »
Dolph Microwave waveguide to coaxial adapter (also known as a waveguide coaxial transition) is manufactured with a right angle design. Right angle waveguide to coaxial adapter / transition has a waveguide size of WR-340 and UDR cover flange. This WR-340 waveguide to coax adapter / transition is constructed with a SMA coaxial connector that is
The log-periodic antenna is the main preferred form of the low-frequency UWB directional antenna. This antenna family has the remarkable capability to cover octave bandwidth or even UWB bandwidth of nearly 100 octaves. With a potential gain of up to 9 dB, it offers a significant boost to signal reception and transmission. At ultra-low frequencies,
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A circular waveguide refers to a waveguide with a circular cross-section. The lowest order propagation mode in a circular waveguide is TE11, which provides minimal signal degradation. The possible TM modes in circular waveguides are TM01, TM02, TM11, and TM12. The modes maintained by circular waveguides have many similarities with those of rectangular waveguides. For
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Dolph Microwave warrants our products to be free from defective material and workmanship for a period of one year from the date of delivery. All defective parts will be replaced and repair work required by normal use will be performed, without charge, within this one year period. This warranty shall be exclusive and in lieu of all other warranties expressed or implied.
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