Allicdata Part #: | 76000954-2-ND |
Manufacturer Part#: |
76000954-2 |
Price: | $ 0.00 |
Product Category: | RF/IF and RFID |
Manufacturer: | Digi International |
Short Description: | 76000954 2-PACK |
More Detail: | N/A |
DataSheet: | 76000954-2 Datasheet/PDF |
Quantity: | 1000 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
1 +: | 0.00000 |
Series: | -- |
Part Status: | Obsolete |
Lead Free Status / RoHS Status: | -- |
Accessory Type: | Antenna Mounting Base |
Moisture Sensitivity Level (MSL): | -- |
For Use With/Related Products: | -- |
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76000954-2 Application Field and Working Principle
RF accessories such as 76000954-2 microwave circulators have applications in a variety of industries including military, automotive, aerospace, and telecommunications. Circulators are passive devices used to manage the flow of a signal, acting as a three-port junction that keeps the signal traveling in one direction. They are mainly used in RF system transmit/receive applications to form the basis of a duplex system. When signal travels in one direction, it is accepted by port 1 and is transmitted to port 2, and the port 3 is left open.
Working Principle
76000954-2 microwave circulators arrange three to four ports, many of which are ferrite-based components. Each port is connected by a short path in a clockwise or counterclockwise direction. The waves that enter into port 1 are then sent out of port 2, experiencing a total of 180-degree phase shift. The port 3 remains continuously blocked as the waves reaching it doesn’t experience the same 180-degree phase shift. Both forward and reverse power levels are very low as most of the energy is transferred in one direction.
A ferrite-based circulator is constructed from slabs of ferrite material, which is a magnetic material that allows waves to pass freely, but also forms a permanent magnetic field when a static current is applied. As an electromagnetic wave passes through the ferrite material, it experiences a 90-degree phase shift. Due to the phase shift experienced by the wave, a set of permanent magnets is usually mounted around the perimeter of the circulator.
Applications
76000954-2 microwave circulators are used for systems such as communication systems, radar systems, satellite systems, and antenna systems. They are also frequently used in medical systems and X-ray equipment. In satellite systems, circulators are used to direct signals into away from the antenna array and into the LNA. This helps prevent the LNA from being overloaded by too much input power, reduces the noise figure of the system, and ensures that no signals are radiated back into outer space.
In radar systems, circulators are used to create a receive-only path that operates at microwave frequencies. They are also employed in medical imaging systems to keep the electromagnetic radiation from reflecting back to the patient. In antenna systems, circulators are used to redirect the wave energy from the antenna. This helps to reduce the thermal and electrical noise created by the antenna itself.
76000954-2 microwave circulators are also used in communication systems to differentiate a receive path from the transmit path. This helps to reduce the amount of power that is radiated out of the antenna, which helps to conserve energy and also improves the efficiency of the system. Furthermore, these devices can be used to create a duplexer, which allows two signals to share the same antenna.
Conclusion
76000954-2 microwave circulators are used in a variety of applications including communication, radar, medical, and antenna systems. This type of circulator utilizes ferrite-based components to affect a 90-degree phase shift on an electromagnetic wave. As a result, the waves experience a total of 180-degree phase shift when entering port 1 and exiting port 3, while port 2 remains blocked. This directional behavior is what makes these components uniquely qualified to create duplexing systems and manage signal flow.
The specific data is subject to PDF, and the above content is for reference
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