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F1280

Dual VGA 0.001MHz to 1200MHz

Datasheet

Product Details

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  • 200Ω differential inputs and 100Ω outputs
  • Dual VVA+VGA with output RMS detectors
  • SPI configurable VGA gain range
  • 24dB gain range for each VVA
  • Switchable dual inputs for VGA2
  • Power-down feature
  • Supply voltage: +4.75V to +5.25V
  • Total supply current: 145mA
  • 5mm x 5mm, 32-VFQFPN package
  • -40 °C to +105 °C exposed pad operating temperature range

The F1280 is a highly integrated 0.001MHz to 1200MHz dual VVA+VGA with integrated RMS detectors. The two independently controlled VVA+VGAs each provide 24dB of gain range with four different selectable gain ranges. The VGA gain ranges and switchable VGA2 inputs are controlled through an SPI interface with a 10MHz maximum clock operating frequency.

  • Wireless infrastructure
  • Medical devices
  • General RF

Design & Development (Boards and Kit)

Board Image

F1280 Dual Variable Gain Amplifier Evaluation Kit

The F1280EVK is a fully populated evaluation board that allows the customer to evaluate the F1280 dual VVA+VGA with integrated RMS detectors. The F1280 VGA gain ranges and switchable VGA2 inputs are controlled with serial communication input using a USB digital interface board that connects to the PC.

The F1280EVK consists of the following:

  • F1280 Evaluation Board
  • USB Digital Interface Board
  • USB Cable (USB-A to USB-B micro)

The F1280 Evaluation Board consists of the following:

  • SMA connectors for RF IOs and power supply connection
  • Header pins for power supply and digital interface connection
  • Jumper configurable power supply connection
  • Clip-on test point access for voltage sense
  • RF Balun SMD modules for unbalanced to balanced and balanced to unbalance conversion of RF IOs

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