HMC849ALP4CE

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The HMC849ALP4CE is an advanced low power silicon CMOS SPDT RF switch. It is an integral part of a comprehensive radio system that requires multiple communication and control functions. The operation of this switch is controlled by using a low voltage digitally programmed logic source. It is a reliable RF switch option for scientific and test instrumentation, wireless infrastructure, industrial, cellular radio and satellite applications.

The HMC849ALP4CE is designed to withstand a high temperature and high-speed environment, which makes it suitable for harsh environmental conditions. It offers a very low insertion loss for both the switched path and the non-switched path. The switch has excellent isolation and linearity performance, ensuring reliable and low distortion signal switching. The HMC849ALP4CE also offers the capability to operate over wide frequency ranges from 0.045 to 3 GHz, making it ideal for a variety of applications.

The working principle of the HMC849ALP4CE is based on the use of a 0.5V LDO (Low Drop Out) regulated voltage source connected to the support circuitry to provide power to the switch. This voltage source is then used as the power supply to drive the CMOS logic inputs connected to the switch’s control logic circuitry. The control logic circuitry is responsible for controlling the switching path of the switch. When a digital logic signal is applied to the control inputs, the internal logic circuitry will select a Nominal (ON) or Inactive (OFF) switching path according to the digital logic signal.

The HMC849ALP4CE is widely used in a range of RF switch applications to switch high-frequency signals. It is used in cellular radio systems as a high speed, high isolation switching solution, in wireless communication infrastructure as a low-loss, fail-safe switching option, and in satellite data links as a precision, low-power RF switching solution. This switch is also used in a wide range of other applications such as medical imaging, test and measurement equipment, and instrumentation systems.

In summary, the HMC849ALP4CE is a low power CMOS RF switch designed to provide high performance, high isolation, and low loss operation in a wide variety of applications. It is able to operate over a wide temperature range and can operate in potentially harsh environment conditions. The switch can be used to switch up to 3 GHz frequencies and is suitable for radio systems that require multiple communication and control functions. This switch also offers excellent linearity and high isolation performance, making it an ideal choice for radio frequency applications.

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