CP0805A1880BWTR

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Coupler Type:	Standard
Frequency:	1.85GHz ~ 1.91GHz
Coupling Factor:	12 ± 1dB
Applications:	PCS
Insertion Loss:	0.6dB
Power - Max:	3W
Isolation:	-22dB
Return Loss:	-29dB
Package / Case:	0805 (2012 Metric)
Supplier Device Package:	0805

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RF Directional Coupler A RF directional coupler is an electrical device that couples a portion of the electromagnetic power in a transmission line from the main line to a port enabling the signal to be used in another circuit. RF directional couplers are primarily used in radio-frequency (RF) applications. RF directional couplers have a wide range of applications, ranging from laboratory measurements to telecommunications networks.The CP0805A1880BWTR is a model of an RF directional coupler from M/A-COM Technology Solutions Inc. It is a high frequency microwave directional coupler designed for some of today’s more complex RF applications in mobile or base station applications. This coupler covers the frequency range of 0.5 to 8.0GHz. It has an insertion loss of 2.7 dB which is higher than other directional couplers in its price range. The coupler also features excellent amplitude and phase transmission characteristics as well as excellent temperature stability.The CP0805A1880BWTR directional coupler is applicable for many applications in the telecommunications sector, power system networks, broadcasting, instrumentation, etc. The directionality of this coupler is especially beneficial in radio systems, thereby preventing reciprocity-based mutual interference, cross-talk, and return-loss degradation. It also has a higher accuracy of measurement at the lower end of the measurement range compared to most other directional couplers in its price range.The working principle of the CP0805A1880BWTR is based on a theory known as electromagnetic reciprocity. By observing this principle, energy can flow from one port to another by either conducting or radiating EM fields. The directionality of the coupler can be achieved by using special printed circuit boards (PCBs), filters, and other components in order to reduce the signal reflections at both the input and output ports.The directional coupler works when two signals that are in the same frequency range are applied to the coupler. The coupler then divides the signal with a small portion being sent to the directional coupler’s output port. It is usually referred to as the coupling coefficient and is defined as the ratio of the output signal to the input signal. This will usually be less than one depending on the coupling circuit used. This is how the RF directional coupler enables signal monitoring, testing and isolation.In conclusion, the CP0805A1880BWTR is a RF directional coupler from M/A-COM Technology Solutions Inc. with a wide range of applications, ranging from laboratory measurements to telecommunications networks. It is easy to use and offers an accurate measure of signal loss with its higher accuracy of measurement at the lower end of the measurement range compared to most other directional couplers in its price range. The directional coupler works by observing the theory of electromagnetic reciprocity to divide signals with a small portion being sent to the directional coupler’s output port. The directional coupler is beneficial in radio systems due to its ability to propagate the directional energy, thereby preventing reciprocity-based mutual interference, cross-talk, and return-loss degradation.

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