Microwave rotary joints are electromechanical components employed to transmit radio-frequency signals between the movable and stationary parts of a radar or microwave communication system. Microwave rotary joints are used in those aviation radar systems in which one terminal of the rotary joint is connected to the rotating radar antenna and the other terminal is connected to the stationary ground system through a cable. This type of connection is possible by using microwave rotary joints, as they offer minimal variation in performance and low insertion loss during rotation in aviation radar systems.
Microwave rotary joints are of three types: coaxial, waveguide, and hybrid. In case of coaxial rotary joints, power handling capacity and frequency range of the joint are restricted by frequency limits of connectors. In case of waveguide rotary joints, operating frequency of the joint is restricted by size of the waveguide. In hybrid rotary joints, one terminal has coaxial interface and the other has waveguide interface. Here, the power is limited by the coaxial part and the operating frequency is limited by size of the waveguide. Microwave rotary joints are used in military and commercial radar systems and anti-missile defense applications.
Global Microwave Rotary Joints Market – Competition Landscape
SPINNER GmbH is located in Munich, Germany. The company is engaged in the manufacture of electronic components such as switches, antennas, and waveguides. In May 2018, the company expanded its range of rotary joints for space applications. The company has developed rotary joints operating in S-band units for antenna-pointing mechanisms. The move is aimed to strengthen its position in the global microwave rotary joints market.
API Technologies Corp
Founded in 1981, API Technologies Corp is headquartered in Marlborough, Massachusetts, the U.S. The company is a global manufacturer of radio-frequency and microwave components, systems, and sub-systems. The company offers rotary joints with low insertion loss for use in military and commercial applications. These rotary joints are used in air traffic control systems, ship-based and airborne radar systems, and medical and industrial applications.
Some of the other key players operating in the global microwave rotary joints market are API Technologies Corp, Pasternack, SPINNER GmbH, Diamond Antenna and Microwave Corporation, Quasar Microwave Technology Ltd., Millitech, Cobham, A-Info, Magneto, RF Com, Apollo Microwaves, Mega Industries, Microtech, MI-WAVE, Vector Telecom, Space Machine & Engineering, and Sylatech.
Global Microwave Rotary Joints Market – Dynamics
Increasing Use of Microwave Rotary Joints in Radar Systems
Increasing use of microwave rotary joints in radar systems is a major driving factor for the global microwave rotary joints market. Microwave rotary joints are deployed in radar systems such as shipboard, air traffic control, land-based and airborne systems to transmit radio-frequency signals between the stationary and movable parts of a radar system. Microwave rotary joints are employed in air traffic control applications and for navigation and weather monitoring carried out with the help of radar systems.
Microwave rotary joints are also applied in satellite communication radar systems to transmit communication signals between the satellite and the ground station. Microwave rotary joints are used in radar systems, as they are compact in size and they offer low insertion loss, excellent voltage standing wave ratio, and minimal fluctuation in transmission characteristics during rotation. Moreover, microwave rotary joints are used in military applications for recognition of obstacles and objects on the road during rainy seasons and winters when light visibility is poor. Thus, microwave rotary joints are increasingly being used in radar systems, which is anticipated to propel the global market for microwave rotary joints during the forecast period.