• 

  Microstrip

  Developing a microstrip 3 port directional coupler with strong directivity has been a significant problem for microwave frequency applications. The combination of strong directivity and tiny size has proven to be an effective response to this problem. However, attaining a small size is not simple.

  The etched gap between the conductor and substrate is one of the most important parameters for producing a directional coupler with good directivity. The carved gap decreases the substrate's relative dielectric constant and raises its effective series inductance.

  The directivity of the line segments is another crucial component of a microstrip three-port directional coupler. To achieve optimal directivity, the even-mode phase velocities are matched with the odd-mode phase velocities. These phase velocities are measurable in practice but cannot be measured directly in the lab.

  A good directional coupler combines high directivity with excellent coupling. Increasing the etched area of the coupler is one approach to accomplish this. This enhances coupling and increases effective series inductance.

• 

  Stripline

  A directional coupler is typically a four-port passive network. Each of the four ports can be narrowband or broadband. In both instances, they are utilized to pair electricity. Electronic countermeasures, electronic warfare, and instrumentation are some of the many applications for these components.

  Several varieties of high directivity coupler exist. They are intended for use with microwave energy. The coupler's features are crucial, and the device must adhere to a number of international and U.S. requirements.

  Directional couplers are frequently used to evaluate incident and reflected waves. In most cases, the coupler samples the reflected power using the dispersed features of microwave circuits. Each port of a typical directional coupler is matched to the impedance characteristics of the feed line. When an impedance mismatch occurs, the measured forward coupled power fluctuates. This variance is known as the VSWR.

  A typical directional coupler consists of three transmission lines, each with an output port and an input port. While the output port is always set to zero, the input port is always matched to the characteristic impedance of a feed line.

• 

  Coax

  Typical applications for a three-port directional coupler include measuring transmission line incident power. Typically, its output is connected to a peak detector, which generates a baseband signal proportional to the power levels. Additionally, it can be used to monitor power flow.

  Coupling coefficient is a primary property of directional couplers. It is the ratio between input power and output power at the isolated port. It is also measured in decibels.

  MIL-STD-810, usually referred to as MIL-SPEC, is one of the most prevalent coupler standards. The United States Department of Defense has approved it. This standard includes tests for solar radiation, temperature, and environmental variables, among others.

  Directional couplers can be utilized in a variety of contexts. They can be utilized for test and measurement, communications, and monitoring power flow. Typically, they are utilized alongside a spectrum analyzer. There are single, double, and four port variants available. Also available in coaxial load and adjustable configurations.

Why choose Hefei Topwave 3 port directional coupler?

• Topwave Telecom, Global Leading passives Designer

  Hefei Topwave Telecom Co., Ltd. is an internationally famous manufacturer and designer of RF passive devices. Topwave Telecom offers power tappers and power splitters, in addition to directional couplers and hybrid couplers that can be ordered with a specific frequency. We adhere to stringent quality control from the conception of raw materials, through assembly, and throughout production. Our ongoing objective is to achieve a high level of excellence.

   

  
  

  
  

• Professional Wireless communication Equipment Producer

  Topwave Telecom's VHF, UHF, and PS700/800MHz frequency band components are widely utilized in a vast array of vital communication networks to provide emergency and secure communication service in public safety fields like Fire, Medical, Police, and other government agencies. In situations where speed is of the essence, law enforcement organizations require dependable communications equipment. Topwave acknowledges the significance of dependability in the development of public safety equipment.

   

  
  

  
  

• High Lever, Superior Quality Manufacturer

  Topwave, a globally famous manufacturer of RF-related products and Telecom, offers networking communications solutions and services to clients worldwide. We manufacture and sell cutting-edge antennas and other devices that provide end-to-end solutions for exceptional performance. We are one of the leading suppliers of 5G communications products in Hefei, China. Topwave has been a prominent innovator in the telecommunications industry by implementing a revolutionary technology change. Our competence rests in design, production, trade, and the provision of services that unlock the full potential of connectivity.

   

  
  

  
  

• OEM and ODM service Provider

  Hefei Topwave Telecom Co., Ltd. also produces base stations with antennas and other radio components. We are convinced that we can satisfy all of your needs in order to assist you with the maintenance of these sophisticated building communication systems. We can deploy DASs both indoors and outside for services requiring restricted coverage. Topwave Telecom is your reliable strategic business partner as well as your RF communications expert.

Related product categories

• 3 port directional coupler

Not finding what you're looking for? Contact our consultants for more available products.