SKY13418-485LF

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RF switches, technically known as RF transmission switches, are electrical switches used to control the flow of radio frequency (RF) signals. They are utilized in various electronic devices such as cellular phones, Wi Fi, satellite antennas, antennas, and many other applications. The SKY13418-485LF is an RF switch developed by Skyworks Solutions, Inc., a manufacturer of RF and microwave components. This particular switch is offered in a small QFN 3 x 3 mm leadless package and is capable of operating up to 4.85 GHz.

The SKY13418-485LF is an SPDT switch with an RF output port which is specifically designed for the cellular LTE / WiFi network bands. It has a low insertion loss, high isolation, and excellent linearity over its entire frequency range. It is SAW based and operates with a typical supply voltage of 2.7V. It also has an integrated power-down facility, which allows the device to be put into a low-power state when not in use, reducing overall power consumption.

In terms of its application field, the SKY13418-485LF is mainly used in Wi-Fi, mobile, and other compatible devices for switching between different WLAN bands and switching between data / voice bands. Its ultra-low insertion loss and high isolation provides excellent signal performance and robustness. It is also suitable for other applications such as low noise amplifier (LNA) switching, filter switching, and antenna switching.

In terms of its working principle, the SKY13418-485LF is an electrostatic actuation switch. It relies on the attraction or repulsion of two closely spaced electrodes to move a beam attached to a cantilever spring. When an RF signal is applied to one of the two electrodes, an electrostatic force is generated between them, causing the beam to move and open or close a gap. This in turn changes the signal path, allowing for the switch between two input signals.

The SKY13418-485LF is a versatile switch offering a compact size and low power consumption. Its electrostatic actuation mechanism ensures reliable switching and excellent signal performance, making it an ideal choice for applications such as cellular, WLAN, and antenna switching. Its low insertion loss and high isolation features make it a capable switch for the demands of today\'s modern electronic designs.

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