ARV20N12

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RF Switches are commonly used in applications for wireless communication systems, such as cellular networks, broadband access systems, vehicle communication systems, and radio navigation systems.

The ARV20N12 is a thematic RF switch developed by Avago Technologies, a leader in RF components. It is a single pole double throw reflectometer switch well suited for applications in power amplifiers, antenna tuning, and power detectors.

Applications of ARV20N12

The ARV20N12 has very low insertion loss throughout its operating bandwidth. It provides high isolation performance for use in a wide variety of communications applications such as cellular phones, WLAN, WCDMA, and LTE modems; WiMAX; and LTE base stations. The ARV20N12\'s excellent VSWR is also critical for drive components in test and measurement instrumentation.

Features of ARV20N12

The ARV20N12 features an extremely wide RF operating bandwidth of 1750MHz-2900MHz, which is much wider than the majority of RF switches available. Its low loss insertion of less than 0.15dB across the operating bandwidth enables low noise amplification and allows more energy to be coupled with the antenna instead of being lost through switching. It has a high linearity (IP3 > 55 dBm), low thermal drift, and low power consumption.

The ARV20N12 also features an industry leading compact form factor. Its small size and low profile make it ideal for use in sectors such as automotive, where space is of the utmost importance.

Working Principle of ARV20N12

The use of a single pole double throw (SPDT) technology enables the ARV20N12 RF switch to switch between two antenna ports. When the switch is closed, the signal passes through in the form of a reflection-less "through path." When the switch is open, the signal is diverted to one or the other port and can be used for signal samples or to couple additional energy into the switch.

The ARV20N12 uses an advanced dip switch control architecture, with the switches triggered by the combination of two Voltages (V1 and V2). This type of architecture provides an extremely low control current of less than 14mA, based on the combination of the two control voltage pins. It eliminates the need for additional diodes or resistors in the system, resulting in a smaller overall PCB size and simplified assembly process.

Conclusion

The ARV20N12 RF switch from Avago Technologies is a highly customizable, extremely wideband single pole double throw reflectometer switch, offering low power consumption, low temperature drifts, low insertion loss, and excellent VSWR performance throughout its operating bandwidth. Its use opens a variety of applications for mobile communications and test and measurement instrumentation, as well as in the automotive sector.

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