CP0603A2442BWTR

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RF directional couplers are used to monitor, pick off, and sample power in a circuit by allowing signals to flow in one direction while rejecting power in the opposite direction. The CP0603A2442BWTR is a low-profile 0603 RF directional coupler designed for shorter 50 ohm microstrip layout applications. This coupler has a frequency range of DC to 6 GHz, coupling of 24 dB, and directivity of 42 dB. This device is ideal for use in Wi-Fi, WiMax, and 802.11 applications.

The CP0603A2442BWTR employs a design consisting of two cascaded narrow-band lowpass filters connected in series with an internal 90° microstrip network. In this configuration, the first filter is a high-pass filter which is connected between the input port (Z) and one of its output ports (Z1). This high-pass filter is designed to prevent signals from the input port from reaching the output port. The second filter is a low-pass filter which is connected between Z1 and the opposite output port (Z2) and is designed to allow signals from the input port to reach the output port.

The power from the input port is coupled to the output port and the amount of power coupled is determined by the coupling coefficient (K). The coupling coefficient is a measure of the amount of power that is transferred from one port to another and is expressed in decibel (dB). In the case of the CP0603A2442BWTR, the coupling coefficient is 24dB, which means that 24dB of power is transferred from the input port to the output port. The directivity of the device is also specified, and is the measure of the device’s ability to reject any power that is sent in the opposite direction. The directivity of the CP0603A2442BWTR is 42 dB, which means that any power sent from the output port to the input port will be rejected by at least 42 dB.

The CP0603A2442BWTR is well-suited for use in a variety of applications that require low-profile, 50 ohm microstrip designs. It is ideal for use in Wi-Fi, WiMax, and 802.11 applications as well as GSM/EDGE, PCS/UMTS, LTE, and WLAN systems. The coupler is also suitable for use in point-to-point applications such as circuit monitoring, antenna coupling, and power sampling. The CP0603A2442BWTR is a robust device with tight coupling and directivity specifications, making it an excellent choice for applications requiring a compact, low-profile 0603 RF directional coupler.

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