MDM-25PH011K-A172

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The MDM-25PH011K-A172 is a type of RF power switch, used in the fields of wireless communication and digital telephony systems. It features integrated on/off control and a low-noise amplifier (LNA). In terms of characteristics and functionality, the device has a wide working voltage range and can operate at temperatures as low as -55°C. The integrated circuitry used in the switch makes it suitable for applications requiring high performance RF switching solutions. Furthermore, the switch is designed to provide up to 1 W of power in its on-state, making it suitable for powering up base stations and amplifiers. The switch also features an integrated current limiter, ensuring effective protection from fault conditions. The switch is designed for use in high frequencies ranging from 5.18 GHz to 10.0 GHz.

In terms of working principle, the MDM-25PH011K-A172 is based on solid state technology, using field effect transistors (FETs). The device is constructed of four stages, which include an input stage, an output stage, an amplifier stage, and a current limiting stage. The input stage consists of two high performance FETs that are connected in a push-pull configuration. These FETs are responsible for allowing a power signal input into the power switch, and for providing the necessary DC bias voltage. The output stage includes a high linearity FET, which is designed to provide the necessary current for the power amplifier. This FET is also responsible for keeping the output signal linear and clean. The amplifier stage consists of a pair of FETs, which amplifies the input signal before sending it to the output stage. Lastly, the current limiting stage is designed to protect the device from potentially harmful fault conditions.

In summary, the MDM-25PH011K-A172 is an RF power switch suitable for wireless communications and digital telephony systems. It has a wide working voltage range and is capable of operating at temperatures as low as -55°C. Its integrated circuitry and current limiter ensure effective protection and high performance RF switching solutions. The device is based on solid state technology, using four stages of FETs for amplifying and controlling the input and output signals. As such, the MDM-25PH011K-A172 is a reliable and durable choice for powering up base stations and other communications systems.

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