Company Details


  •  [Sichuan,China]
  • Business Type:Manufacturer
  • Main Mark: Americas , Asia , East Europe , Europe , North Europe , West Europe , Worldwide
  • Exporter:81% - 90%
  • Certs:ISO9001, FDA, RoHS
  • Description:Rf Circulator,Passive Device Circulator,High Isolation Circulator,High Power Circulator,Waveguide Circulator,Optical Circulator
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Rf Circulator,Passive Device Circulator,High Isolation Circulator,High Power Circulator,Waveguide Circulator,Optical Circulator

RF Circulator

Product categories of RF Circulator, we are specialized manufacturers from China, Rf Circulator, Passive Device Circulator suppliers/factory, wholesale high-quality products of High Isolation Circulator R & D and manufacturing, we have the perfect after-sales service and technical support. Look forward to your cooperation!
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145-155MHz VHF Passive Circulator

Model No. : JX-TC

Jingxin supplys Circulators and isolators which are very handy (and necessary) devices for use when it is essential to keep RF signal flow in one direction only. Think of them loosely as a steering diode array that directs energy from one port to a...

China Rf Circulator of with CE
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Passive Microwave Wireless 500MHz High Power Circulator

Model No. : JX-TC

Microwave Communication Passive Microwave Wireless 500MHz High Power Circulator An RF isolatoris a two-port ferromagnetic passive device which is used to protect other RF components from excessive signal reflection. Isolators are common place in...

China Manufacturer of Passive Device Circulator
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Passive Microwave Wireless Stripline Circulators

Model No. : JX-TC

we offer the widest range and best performance Stripline, Microstrip, Coaxial and Waveguide circulators & Isolators Description: 1. Mobile Communication Network Optimization and In-door distribution system. 2. Cluster communication, satellite...

Customized High Isolation Circulator Made in China
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China RF Circulator Suppliers

A circulator is a passive non-reciprocal three- or four-port device, in which a microwave or radio frequency signal entering any port is transmitted to the next port in rotation (only).



When one port of a three-port circulator is terminated in a matched load, it can be used as an isolator, since a signal can travel in only one direction between the remaining ports.[12] An isolator is used to shield equipment on its input side from the effects of conditions on its output side; for example, to prevent a microwave source being detuned by a mismatched load.


In radar, circulators are used as a type of duplexer, to route signals from the transmitter to the antenna and from the antenna to the receiver, without allowing signals to pass directly from transmitter to receiver. The alternative type of duplexer is a transmit-receive switch (TR switch) that alternates between connecting the antenna to the transmitter and to the receiver. The use of chirped pulses and a high dynamic range may lead to temporal overlap of the sent and received pulses, however, requiring a circulator for this function.

In the future-generation cellular communication, people talk about full-duplex radios, where signals can be simultaneously transmitted and received at the same frequency. Given the currently limited, crowded spectrum resource, full-duplexing can directly benefit the wireless communication by twice of the data throughput speed. Currently, the wireless communication is still performed with "half-duplex", where either the signals are transmitted or received at different time frames, if at the same frequency (typically in radar), or the signals are simultaneously transmitted and received at different frequencies (realized by a set of filters called a diplexer).

Reflection amplifier

A reflection amplifier is a type of microwave amplifier circuit utilizing negative differential resistance diodes such as tunnel diodes and Gunn diodes. Negative differential resistance diodes can amplify signals, and often perform better at microwave frequencies than two-port devices. However, since the diode is a one-port (two terminal) device, a nonreciprocal component is needed to separate the outgoing amplified signal from the incoming input signal. By using a 3-port circulator with the signal input connected to one port, the biased diode connected to a second, and the output load connected to the third, the output and input can be uncoupled.

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