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Dolph Microwave Designs And Manufactures For Precision Waveguide Components, Earth Station Antennas And Sub-Assemblies For Wireless, Satellite, Aerospace, Defence And Scientific Research

Sectoral Antenna Maintenance | 7 Base Station Fixes
Maintenance of satellite parabolic antenna includes special inspection of WR-15 flange sealing surface (aluminum chips > 50μm will create VSWR > 2.1), substitution of the

What is the difference between horn antenna and parabolic antenna
Horns give 22dBi gain at 12GHz with ±15cm installation tolerance, while parabolic dishes are capable of 38dBi gain but require surface accuracy <λ/16. Parabolics demand

3 Emerging Uses of Sinusoidal Antennas in IoT
Sinusoidal antennas are emerging in IoT for their compact size, high efficiency, and multi-band capabilities. They enable reliable communication in wearable devices, smart sensors, and

3 Cost Saving Features of Open Waveguide Antennas
Open waveguide antennas offer cost-saving features such as reduced material expenses, simplified manufacturing processes, and lower maintenance costs. Their design eliminates the need for complex

How Dual Polarized Horn Antennas Enhance Satellite Comms
Dual-polarized horn antennas enhance satellite communications by supporting simultaneous transmission and reception of signals in two orthogonal polarizations, improving spectral efficiency by up to 30%.

How Spiral Antennas Reduce EMI 3 Critical Factors
Spiral antennas reduce EMI through three factors: broadband operation (1–18 GHz range), circular polarization (reducing cross-talk by 40%), and low radiation resistance. Their self-complementary design

5 Key Differences Horn vs Conical Antennas
Horn antennas have a flared waveguide shape, offering high directivity (10–20 dBi) and narrow beamwidth, ideal for radar. Conical antennas are broadband, with a wide

5 Metrics to Test Circularly Polarized Antenna Efficiency
Circularly polarized antenna efficiency is tested using axial ratio (ideally below 1.5 dB), voltage standing wave ratio (VSWR < 2:1), gain (typically 5–10 dBi), radiation

7 Blade Antenna Applications in Modern Radar Systems
7 blade antenna applications in modern radar systems include weather monitoring, airborne surveillance, missile guidance, ground-penetrating radar, automotive radar, electronic warfare, and satellite communications. These

3 Surprising Uses of Sinuous Antennas in Military Tech
Sinuous antennas are used in military tech for their wide bandwidth and directional sensitivity. They enable stealth communication at frequencies from 2 to 40 GHz.

How to Choose Log Periodic Antennas in 5 Steps
Choosing log periodic antennas involves assessing your frequency range needs, typically spanning 200 MHz to 1 GHz, ensuring compatibility with your equipment. Measure the space

What Makes Quad Ridged Horn Antennas Weatherproof
Quad ridged horn antennas are weatherproof due to their robust construction, incorporating materials like UV-resistant plastics and waterproof seals that meet IP67 standards. This design

Why Low PIM Antennas Boost 5G Performance
Low PIM antennas enhance 5G performance by reducing Passive Intermodulation (PIM), a critical issue for signal clarity. By ensuring PIM levels below -150 dBc, these

Why UHF Horn Antennas Dominate Broadcast Systems
UHF horn antennas dominate broadcast systems due to their high gain and efficiency, critical for clear signal transmission over long distances. Specifically, they offer gains

4 Step Guide to Installing Waveguide Slot Arrays
A 4-step guide to installing waveguide slot arrays includes: 1) Positioning the waveguide with ±0.5 mm precision using laser alignment tools; 2) Mounting slots at

Why Phased Array Antennas Improve Signal by 40
Phased array antennas improve signal strength by up to 40% through precise beamforming, which directs energy toward intended users. By using multiple antenna elements and

Why Material Choice Matters for Flange Shims
Material choice for flange shims affects sealing performance, corrosion resistance, and durability. Stainless steel (e.g., 316 SS) offers high strength and withstands temperatures up to

How Do Waveguide Bandpass Filters Work
Waveguide bandpass filters allow frequencies within a specific range, typically 1-10% bandwidth, to pass while rejecting others by over 40 dB. They use resonant cavities

How Long Can Waveguide Straight Sections Be
Waveguide straight sections can vary in length depending on the application, but typical lengths are from 25 cm to 2 meters. For optimal performance, ensure

How Does a Waveguide Magic Tee Function
A waveguide magic tee functions by splitting or combining microwave signals with minimal loss. It features four ports: two collinear and two side (difference) ports.

How to Design Waveguide Transitions Efficiently
Design waveguide transitions efficiently by maintaining impedance matching, critical for minimizing loss; aim for less than 0.05 dB insertion loss. Use electromagnetic simulation software to