SKY13448-001B

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RF switches are essential components in radio-frequency (RF) systems, such as receivers, transmitters, and transceivers, and are widely used in wireless communications. To meet the rapidly growing demand for high-performance and cost-efficient RF switches, Monolithic Microwave Integrated Circuits (MMICs) are playing a major role in RF system design. The SKY13448-001B is a high-performance, GaAs, dual-pole, single-throw (DPST) RF switch, which is designed for applications in the 420 to 860 MHz range.

Features and Benefits

The SKY13448-001B utilizes a unique advanced flip-chip technology to offer significant features and benefits. The switch comes in an optimized MSOP-4 package that is suitable for use with both standard FR4 printed circuit boards (PCBs) and flexi circuit boards. It offers excellent insertion loss and high isolation, low power dissipation, low leakage and fast switching speed. The device also includes an off-chip termination, which minimizes PCB space requirements and enhances overall system performance and reliability. The off-chip termination also allows for precise tuning of the load impedance for improved system efficiency.

Application Field

The SKY13448-001B is ideal for use in wireless communication systems, such as cellular base station receivers, radio frequency identification (RFID) readers, wireless local area networks (WLANs) and global positioning systems (GPSs). It is also suitable for switching or multiplexing low noise amplifiers (LNAs), power amplifiers (PAs) and antenna elements in RF systems.

Working Principle

The working of the SKY13448-001B is based on the Lytton-Jarrett flip-chip technology, a type of integrated circuit that uses two dielectric layers to create a single monolithic switch. The two layers are held together by an adhesive layer in between them. The dielectric layers consist of glass-filled epoxy and polyimide material. The dielectric layers are separated by a thin gold layer which acts as a contact layer and a barrier layer between the two layers. The Lytton-Jarrett flip-chip technology enables the device to have high isolation, low insertion loss and fast switching speed compared to other RF switch technologies.

Conclusion

The SKY13448-001B is a high performance, GaAs, DPST switch designed for applications in the 420 to 860 MHz range. It allows for precise tuning of the load impedance for improved system efficiency. The device is suitable for use in a number of wireless communication systems. Its innovative Lytton-Jarrett flip-chip technology enables the device to have high isolation, low insertion loss and fast switching speed compared to other RF switch technologies.

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