CP0603A0836CWTR

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Coupler Type:	Standard
Frequency:	824MHz ~ 849MHz
Coupling Factor:	21 ± 1dB
Applications:	AMPS
Insertion Loss:	0.25dB
Power - Max:	3W
Isolation:	-30dB
Return Loss:	--
Package / Case:	0603 (1608 Metric)
Supplier Device Package:	0603

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CP0603A0836CWTR Application Field and Working Principle

RF Directional Coupler is an important component of RF system which can accurately measure the electric and magnetic field parameters of a certain rated frequency. CP0603A0836CWTR is a highly integrated RF directional coupler chip, with remarkable long-term stability, low insertion loss, high return loss, excellent temperature stability, and other characteristics. It is widely used in a variety of wireless communication systems such as military communication, wireless base stations, mobile stations, and so on. This article will discuss the application field and working principle of CP0603A0836CWTR.

Application Field

CP0603A0836CWTR is a highly integrated RF directional coupler chip which consists of a re-source coupled resonator and a series of lumped-element components. It is mainly used for on-chip RF signal measurement, microwave components testing and telecommunication measurement.- Feed-line applications: It can be used in impedance matching for antenna isolation and transmission line protection.- Radio applications: It can be used in microwave filter, amplifier, and tunable filter.- Electronic components applications: It can be used in multi-element networks, time delay lines and implementation of active compatible components.- Instrumentation applications: It can be used in frequency measurement and signal detection.

Working Principle

As a three-port device, CP0603A0836CWTR is usually used in pairs as a tapped line coupler with one port connected to the output of a source, and the other two ports each connected to a load. When working as a double-section directional tap, the CP0603A0836CWTR device is placed between two independent sections of a circuit, the third port being a dummy load. The current fed to the first port is divided equally between the second and third ports, however the voltage provided to the second and third ports are inversely proportional. The output signals from the second and third ports are Phase-shift 180° to each other, and the device has a directivity (or isolation) of at least 10 dB in both directions. The output current of the CP0603A0836CWTR is equal to the sum of the forward and reverse current of the output ports, and the power output is equal to the sum of the forward and reverse power at the output ports. The reverse current is measured in dB, and the relative value between forward and reverse power is known as the coupling factor. The CP0603A0836CWTR provides a coupling factor of 36 dB between each port, providing excellent signal isolation. In addition, CP0603A0836CWTR, due to its small size, is highly integrated, making it appropriate for compact RF systems, such as cellular and wireless base stations. The device is also well-suited for applications that require stability with temperature, humidity or other environmental factors.

Conclusion

CP0603A0836CWTR is a highly integrated RF directional coupler chip, which is suitable for use in a wide range of radio and electronic component applications. It has a high isolation rate, excellent temperature stability and good return loss. The device also has a directivity of at least 10 dB in both directions. Its small size and high integration makes it suitable for use in compact RF systems. This article has discussed the application field and working principle of CP0603A0836CWTR. With its high performance and excellent features, CP0603A0836CWTR has become one of the most commonly used RF directional coupler chips in today\'s wireless communication systems.

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