CP0805A1880AWTR

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Coupler Type:	Standard
Frequency:	1.85GHz ~ 1.91GHz
Coupling Factor:	9.5 ± 1dB
Applications:	PCS
Insertion Loss:	0.8dB
Power - Max:	3W
Isolation:	-23dB
Return Loss:	-21dB
Package / Case:	0805 (2012 Metric)
Supplier Device Package:	0805

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RF Directional Coupler Application Field and Working PrincipleA directional coupler is an electronic device that is used to measure the power of a frequency-dependent signal. Directional couplers are an important class of components in the communications industry, as they are used in many applications including antenna systems, radio communications, and mobile base station systems.One of the most popular type of directional coupler is the CP0805A1880AWTR. This type of directional coupler can be used in RF applications where it is important to accurately measure the input and output power of a signal. The CP0805A1880AWTR is a 3-port directional coupler featuring an input port with an impedance match and a 50 ohm output port. It also features a power sensing port, which allows for the measurement of the input and output power of a signal.The CP0805A1880AWTR operates on a nominal frequency range of 18 MHz to 80 MHz. The device offers high dynamic range and is well suited for operations like DTV transmitters, radar systems, and FM broadcast transmitters. The CP0805A1880AWTR offers excellent return loss, directivity, and power handling capability, making it an ideal choice for applications with variable gain amplifiers, high isolation requirements, or high power applications.The performance of the CP0805A1880AWTR is determined by several key factors. The most important performance parameters of the device are its input match, return loss, and directivity. The input match of the CP0805A1880AWTR must be carefully controlled in order to ensure that it accurately measures the power of a signal. The return loss and directivity performance of the device must also be optimized to ensure that it has good rejection of signals from adjacent frequencies.The working principle of the CP0805A1880AWTR is based on a well-known, time-tested design; the device uses a small loop of coaxial cable to couple some of the power from the input port to the output port. This loop consists of two movable arms connected by a series of inductors and capacitors. When an input signal is applied, the induced current from the input signal is coupled to the output port through the small loop, allowing power to be measured accurately.The CP0805A1880AWTR is suitable for a wide range of RF applications, including satellite communication, cellular communication, digital TV transmitters, and more. It is able to accurately measure the input and output power of a signal, and is known for its reliability and performance. In addition, its simple design and easy installation make it a popular choice for RF applications.

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