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October 2024

Why is the efficiency of a corrugated horn antenna higher than the convention horn antenna

The efficiency of a corrugated horn antenna is higher than that of a conventional horn due to its reduced back reflection, achieving levels of -20 dB compared to -10 dB in conventional designs. This allows for up to 99% of input power to be effectively radiated, enhancing performance in applications like satellite communications and radar

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What is the difference between a load bank and a dummy load

A load bank simulates real-world conditions by applying controlled loads to power systems, typically ranging from 100 kW to 2 MW, allowing detailed performance testing. In contrast, a dummy load absorbs power without measurement capabilities, usually rated at 50 to 1,000 watts, used primarily for RF applications. Load banks provide critical data, while dummy loads

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What is an RF termination

An RF termination is a passive component designed to absorb excess signal power in RF systems, typically with an impedance of 50 ohms. For example, a 100-watt RF termination can manage signals up to 18 GHz while maintaining a return loss greater than 20 dB, ensuring only 1% of the signal reflects back for optimal

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How do RF rotary joints work

RF rotary joints enable signal transfer between stationary and rotating parts, typically handling frequencies from 1 GHz to 40 GHz with insertion loss under 0.5 dB. They ensure efficient communication in systems like radar and satellite, often supporting power up to 5 kW at lower frequencies. Transmission Path At the Ku-band, 12-18 GHz; an RF

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Which type of antenna is typically used for long distance communication

Parabolic dish antennas are ideal for long-distance communication, providing a gain of up to 47 dBi. For example, a 2.4-meter dish operates efficiently at 12 GHz, enabling satellite communication over 35,786 kilometers with power outputs of 1 to 10 kilowatts. Parabolic (Dish) Antennas Parabolic or Dish Antennas in Satellite Communications The parabolic dish antennas play

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