The waveguide slot array improves the radar beam pointing accuracy by 15 times through ±0.25° tilt tolerance control (military AN/SPY-6 standard) and gradient arrangement algorithm, combined with 0.1mm precision groove engraving by diamond turning tool and 200nm gold-nickel plating process, and achieves ±2° phase consistency in the 94GHz frequency band, power tolerance of 50kW pulse, […]
How Waveguide Slot Arrays Enhance Radar Systems Read More »
The phased array dynamically adjusts the transmission phase of each unit through a digitally controlled phase shifter. In the Ku band (12-18GHz), a 6-bit phase shifter is used to achieve a step accuracy of 5.6°. Combined with a real-time calibration algorithm, it can complete 0.1° precise beam steering within 200ns, meeting satellite communication requirements. Principle
How Phased Arrays Achieve Beam Steering Read More »
The lens horn controls the 94GHz wavefront distortion to <λ/50 through refraction of the PTFE dielectric layer. Combined with the optimization of the Brewster angle of 68.5°±0.3° and ultra-precision machining of Ra<0.8μm, the mode purity is increased to 98.2%. The actual measurement reduces the EIRP fluctuation of the W-band satellite antenna to ±0.35dB (ITU-R S.1327
How Lens Horns Improve W_Band Focusing Read More »
The logarithmic periodic antenna expands the working bandwidth by 37% through the geometric arrangement of τ=0.82 (the traditional solution τ=0.7), and achieves VSWR<1.5:1 at 8-40GHz. The gradient slot line (radiation efficiency increased from 68% to 82%) and dual dielectric substrate (Ku-band Rogers 5880, Ka-band aluminum nitride ceramic) are used to suppress high-frequency leakage, and the
How Do Log Periodic Antennas Optimize Bandwidth Read More »
The blade-shaped antenna adopts a continuous gradient curvature design (radius of curvature > λ/10), and the surface roughness Ra is controlled at 0.05μm through chemical nickel plating process. Combined with the MIL-STD-461G multi-point grounding scheme (grounding impedance < 50mΩ), the surface current density in the 28GHz frequency band is 23 times lower than that of
How Do Blade Antennas Reduce EMI Interference Read More »
Ku-band is cost-effective, supports smaller antennas, and offers 20-30x frequency reuse, boosting satellite capacity to 50Gbps. It also has better rain fade resistance than Ka-band, reducing signal loss and ensuring more stable connectivity in extreme weather. Spot Beam Coverage The signal strength of traditional wide beam technology is usually only 20 to 30 dBW (decibel
What are the benefits of KU band Read More »
Phased array antennas enhance satellite efficiency with over 80% bandwidth utilization, 3x frequency reuse, and 90% lower maintenance costs. They provide flexible, reliable connectivity for remote areas and moving vessels, supporting scalable SATCOM across commercial, public, and private sectors. Flexible Satellite Connectivity According to industry data, among the more than 4,000 satellites in orbit around
Why Use Array Antennas for Satellites Read More »
Satellite frequency bands enable reliable global communications, reduce latency and support high-speed data transmission. They enhance Internet access in remote areas, improve navigation, and ensure real-time connectivity in key industries such as finance, transportation and defense. Global Data Transmission When transmitting data in tropical areas, the attenuation rate of Ka-band signals can reach more than
Why Are Satellite Bands Important Read More »
L-Band is good at mobile navigation and IoT, S-Band dominates weather radar, C-Band is suitable for broadcasting, Ku-Band leads TV and aviation, Ka-Band supports the Internet, and V-Band creates high-capacity future networks. L-Band for Mobile The signal attenuation rate of L-Band remains within 3% in heavy rain, fog, snow or storms. According to the International
Which Satellite Frequency Bands Are Best Read More »
The S Band plays a crucial role in space communications, providing reliable data transmission for satellites, weather monitoring, and scientific research. It is cost-effective, less affected by weather, and supports critical applications such as remote sensing, telecommunication, and emergency communications globally. Band Frequency Range The S Band normally lies within the range from 2 to
What’s the Role of S Band in Space Read More »
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.
FengHuiNan Road NO.34, High-Tech Zone, Xi an, China
Tel/Fax: (+86) 29-8881-0979
E-mail: Sales@dolphmicrowave.com