ARA220A03

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High Frequency (RF) Relays are switching devices, designed for radio frequencies where semiconductors are inadequate. They are commonly used in applications where a low-level signal needs to activate a high-power circuit, in order to minimize energy losses.

ARA220A03 is a low-power, high-frequency RF relay designed for applications operating in the frequency range of DC to 60GHz. It is a two-in-one relay, providing both Normally-Open (NO) and Normally-Closed (NC) connections. It offers low ON-state resistance, good linearity and low-power consumption. The contacted frequency range is DC to 27GHz. It supports a wide range of power levels up to 5W, and is ideal for a variety of commercial and military purpose.

The working principle of ARA220A03 is based on a MEMS (Microelectromechanical System) switch. It is a form of micromechanical circuitry where low-energy signals can be used to activate high-power circuits. In this case, the MEMS switch acts as an on/off switch to provide a variety of connections between two points. The switch is composed of a suspended micro-cantilever, which acts as a beam that opens and closes the circuit when electrical pulses are applied. The beam is constructed from a highly doped polysilicon, and operates via electrostatic forces.

The on-state resistance of ARA220A03 is less than 0.02 ohms, while its off-state power needs to be less than 1.5mA. The working Voltage is from -18V to -80V, while its radial size is only 0.832mm. The device has a high insulation resistance between NO/NC contacts, and features a low-power consumption of less than 10% of equivalent semiconductor solutions.

ARA220A03 is a powerful RF relay, suitable for a variety of high-frequency switching applications including LNAs, amplifiers, antenna steering and switching and signal or data routing. The device is highly immune to RF spurious signals and can be used for precise switching operations in harsh environments. It features high operational stability and reliability even at extreme temperatures, and is ideal for military and space applications.

Overall, ARA220A03 provides a highly reliable solution for radio frequency switching operations. Its small form factor allows for integration into tight spaces while its MEMS-based construction ensures low power consumption and a high-isolation ratio. The device is suitable for a variety of applications including military, space and commercial use, and is designed to perform reliably in extreme conditions.

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