Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Coupler Type:	Standard
Frequency:	824MHz ~ 849MHz
Coupling Factor:	15.2dB
Applications:	AMPS
Insertion Loss:	0.35dB
Power - Max:	3W
Isolation:	-38dB
Return Loss:	23dB
Package / Case:	0603 (1608 Metric)
Supplier Device Package:	0603

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CP0603A0836CNTR Application Field and Working Principle

RF directional couplers are specialized radio frequency (RF) components designed to measure the power of a signal passing through its terminals. They are comprised of four terminals, a primary port, an auxiliary port, an incoupling port, and an output port. This article will discuss the application field and working principle of the CP0603A0836CNTR RF directional coupler.The main application fields of the CP0603A0836CNTR are telecommunications and wireless systems, measuring directional power, transmitter power measurement, antenna tuning, and receiver protection from strong inputs. It is specifically designed to cover the frequency range of 900-1850 MHz. It has excellent characteristics such as low directivity, low insertion loss, and high coupling value. The working principle of the CP0603A0836CNTR is based on the branch-line coupler structure. This is a symmetrical structure consisting of a pair of three-port network connected in series. One of the three-port networks is fed at the point of common connection, and the other is fed through the opposite end of the transmission line. The CP0603A0836CNTR utilizes this principle by splitting each port into two parts, which are then connected to the transmission line. Therefore, when the signal is applied to the input port, it is split into two parts and sent through the transmission line. These two parts then recombine at the output port, and a fraction of the signal is coupled to the auxiliary port. This fraction is proportional to the coupling value of the end, which is controlled by the machining precision of the structure. The CP0603A0836CNTR has excellent performance due to its small size and low insertion loss. It has a high coupling value and low directivity, making it suitable for a variety of applications. Furthermore, the CP0603A0836CNTR has a high out-of-band rejection to reduce interference from unwanted frequencies. It also has a wide bandwidth for more reliable measurement accuracy.In conclusion, the CP0603A0836CNTR is a high-performance RF directional coupler designed for use in a variety of applications such as telecommunications and wireless systems, measuring directional power, and antenna tuning. Its working principle is based on the branch-line coupler structure and it has excellent characteristics such as low directivity, low insertion loss, and wide bandwidth.

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