
Allicdata Part #: | DC4859J5005AHF-ND |
Manufacturer Part#: |
DC4859J5005AHF |
Price: | $ 0.32 |
Product Category: | RF/IF and RFID |
Manufacturer: | |
Short Description: | IC COUPLER RF DIRECTIONAL 0805 |
More Detail: | RF Directional Coupler 4.7GHz ~ 5.9GHz 6dB 5W 080... |
DataSheet: | ![]() |
Quantity: | 1000 |
4000 +: | $ 0.28980 |
Series: | Xinger® |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Coupler Type: | Standard |
Frequency: | 4.7GHz ~ 5.9GHz |
Coupling Factor: | 6dB |
Applications: | -- |
Insertion Loss: | 0.5dB |
Power - Max: | 5W |
Isolation: | -- |
Return Loss: | -20dB |
Package / Case: | 0805 (2012 Metric) |
Supplier Device Package: | 0805 |
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A Radio Frequency (RF) directional coupler is an important measurement component in electronics, primarily used to sample the power level of an electric signal without interrupting the circuit. The DC4859J5005AHF Directional Coupler is a highly sensitive component, designed to measure the power of an incoming radio frequency signal, usually at microwave frequencies up to 18GHz, and non-resonant frequencies up to 70GHz. This precision coupler is a wideband coupler and can be used for various applications in numerous industries.
Features and Benefits
- Wide bandwidth with excellent linearity of 60-80dB
- Excellent isolation of greater than 25dB
- Low insertion loss of less than 1dB
- Excellent compact size with surface mounts
- Can be used in a wide range of applications
Applications
The DC4859J5005AHF Directional Coupler has a wide range of applications in various industries, including:
- Instrumentation and telecommunication equipment, to measure the power of transmitted signals.
- Data and communication systems, to monitor the power of the data streams.
- Medical and industrial imaging systems, to measure the power of the imaging signals.
- Space research, to measure the power of the transmitted signals in various space-born systems.
- Radio systems, for measuring of the power of the transmitted signals.
- Radar systems, for measuring the power of the transmitted signals, and for communication of radar signals.
Working Principle
The DC4859J5005AHF Directional Coupler works by measuring the forward-traveling power within an electrical signal while discarding any backward-traveling power. It is capable of doing this while allowing the signals to continue to pass through the circuit. This is done through the use of electromagnetic coupling, which involves the use of two coils positioned close together, which cause a proportion of the power in the line to be “coupled” into a separate circuit.
The coupler contains two input ports, two output ports, and two coupling ports. The signal first enters the input port and then passes through the two coupling elements, which cause a proportion of the signal to be “coupled” and sent through the coupling port. The rest of the signal continues to the output port, which then sends the signal to the next stage in the circuit. The coupling element can be adjusted to decide what proportion of the signal is sent through the coupling port.
Conclusion
The DC4859J5005AHF Directional Coupler is a versatile and highly sensitive RF component that is capable of measuring the power of a transmitted or received radio frequency signal. It is suitable for use in a wide range of applications, such as in instrumentation and telecommunication equipment, data and communication systems, medical and industrial imaging systems, space research, radio systems, and radar systems. The working principle of the directional coupler involves the use of two coupled coils to extract a portion of the signal and send it to the coupling port, while allowing the rest of the signal to pass through to the output port.
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