F2977 High Linearity Broadband SP2T RF Switch and

By IDT, Integrated Device Technology Inc 31

F2977 High Linearity Broadband SP2T RF Switch and

IDT's F2977 is a 50 Ω single-pole double-throw (SP2T) reflective RF switch featuring high linearity and wide bandwidth. This device is optimized from 30 MHz to 6 GHz to support a multitude of wireless RF applications. The F2977 uses a single positive supply voltage of either +3.3 V or +5.0 V and is compatible with either 1.8 V or 3.3 V control logic.

The F2977EVBI is a fully populated evaluation board for use with the F2977, enabling easy RF evaluation of the product. "Thru" calibration connectors are conveniently located on the evaluation board to simplify the calibration process prior to making any RF measurements. The RF through measurement (RF1 to RF2) can be made by applying the correct control logic voltage to the control pins as outlined in the datasheet. DC power, ground, enable, and the control voltages are applied to the pin header.

Features
  • RF Switch
    • Low insertion loss
      • 0.38 dB at 2.4 GHz
      • 0.45 dB at 6 GHz
    • High isolation:
      • 34 dB at 2.4 GHz
      • 26 dB at 6 GHz
    • High linearity:
      • IIP2 +120 dBm at 2.4 GHz
      • IIP3 +77 dBm at 2.4 GHz
    • P0.1 dB compression of +40 dBm
    • Second harmonic: -86 dBc at Fin = 1.8 GHz, Pin = 33 dBm
    • Third harmonic: -89 dBc Fin = 1.8 GHz, Pin = 33 dBm
  • Evaluation Board
    • 50 Ω RF connectors for RFC, RF1, and RF2, and the "thru" calibration ports for easy calibration prior to making RF measurements
    • The F2977EVkit has a number of control features available
      • Refer to the EVkit application circuit, and EVkit picture and applications information in the datasheet to properly connect to and control the evaluation board features
      • All bias and logic controls are applied to the appropriate pins of the pin header located on the evaluation board

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