Product Summary

The RF2420 is a multistage monolithic programmable attenuator. The device is built using an advanced Gallium Arsenide process technology and has an attenuation programmability over a 44dB range in 2dB steps. The attenuation is set by five bits of digital data. The input and output of the device have a low VSWR 50Ω match. This unit is intended for use in systems that require RF transmit power control by digital means. Typical applications are in dual mode IS-54/55 compatible cellular transceivers and TETRA systems. No negative supply voltages
are required.

Parametrics

RF2420 absolute maximum ratings: (1)Supply Voltage: -0.5 to +7.0 VDC; (2)RF Input Power: +17 dBm; (3)Operating Ambient Temperature: -40 to +85℃; (4)Storage Temperature: -40 to +150℃.

Features

RF2420 features: (1)Single 3V to 6V Supply; (2)0dB to 44dB Attenuation Range; (3)4dB Insertion Loss; (4)5-bit Digitally Controlled Attenuation; (5)Digitally Controlled Power Down Mode; (6)DC to 950MHz Frequency Range.

Diagrams

RF2420 block diagram

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