LTC4402-1EMS8#PBF

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RF power controller ICs (Integrated Circuits) have been used in thousands of applications for decades, providing increased flexibility and performance. The LTC4402-1EMS8#PBF is an example of one of these RF power controller ICs, which has been designed to meet the demands of today\'s advanced wireless communication systems.

The LTC4402-1EMS8#PBF is a fully integrated, bipolar analog CMOS power controller designed to operate up to 3.8 GHz. The circuitry combines low-frequency RF voltage control, high-frequency current limiting and thermostatic shut-down protection into a single device. It is intended for use in mobile communication systems, such as 2G, 3G, and 4G (LTE), as well as digital cordless phones, PMR and wireless data transmission. Due to its wide operating range, this device can be used in both indoor and outdoor applications.

The LTC4402-1EMS8#PBF is a single integrated device with all active circuitry contained on one die, and is capable of supplying up to 17 dBm of RF power, while operating on a supply voltage of 1.1V to 5V.

The device has an innovative control-loop architecture, which addresses the challenging requirements of today\'s smart-phones and multi-band networks. It features a digital-controlled, integrated temperature-compensated transistor, used as the power-control element. This architecture provides superior control to achieve very tight accuracy and thermal stability for over-temperature conditions.

The LTC4402-1EMS8#PBF utilizes a bandgap reference circuit to provide stable power supply operation and excellent temperature stability. The device contains a thermostat that turns off the RF output signal when the die temperature exceeds a pre-set threshold. This feature helps to reduce power amplifier over-heating and prevent thermal runaway. In addition, the device also contains an integrated voltage-controlled oscillator, to provide frequency-hopping capability in the event of an on-chip fault.

The LTC4402-1EMS8#PBF also has excellent dynamic range control, providing the user with low noise and precise power control for each and every channel of the system. When connected to the output of a power amplifier, the device can provide a high degree of thermal stability and power control, while minimizing distortion.

The LTC4402-1EMS8#PBF provides high linearity and flexibility in the application space. It can be used in a wide range of RF power amplifiers, enabling the user to easily configure the desired power control settings for their system. With its high-performance architecture, the device offers superior power control and accuracy in even the most demanding environments.

The LTC4402-1EMS8#PBF is a highly cost-effective solution for a range of RF power management needs. Its high level of integration and superior performance make it an ideal choice for applications in base stations and radars, as well as consumer electronics. Thanks to its wide operating range and integrated temperature compensation circuitry, the LTC4402-1EMS8#PBF is a reliable, cost-effective solution for the greatest number of applications.

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