Analog VGA Optimized for Next-Generation High-Bandwidth Communication Systems

Integrated Device Technology has introduced the F2480 analog variable gain amplifier (AVGA), the first in a family of high-performance devices for a broad set of communication equipment. The F2480 combines a voltage variable attenuator (VVA) with IDT's exclusive Zero-Distortion RF amplifier in a compact package, delivering low insertion loss and high linearity for very precise and smooth adjustment of the RF attenuator.

Flexible enough to be used in either the transmit or receive path, the F2480 has 4 RF port pinouts supporting multiple lineup configurations with an amplifier range of 400 MHz to 3000 MHz, and an attenuator range of 50 MHz to 6000 MHz. Overall, it provides a 12 dB typical cascaded max gain with a 36 dB continuous gain range. The external pinouts allow products to be cascaded in any order desired.

The voltage variable attenuator (VVA) has linear-in-dB attenuation tuning characteristics and superb IP3 performance over its full attenuation range. The amplifier has an OIP3 performance of +41.5 dBm at 900 MHz, while drawing only 106 mA. The device is internally matched so there is no need to optimize external matching elements.

It is ideal for such communications equipment as multi-mode, multi-carrier receivers, 3G/4G base stations, point-to-point and public safety infrastructure and digital radio and communications systems.

Features include:

  • A 4 RF port pinout supporting multiple lineup configurations with an amplifier range of 400 MHz to 3000 MHz and an attenuator range of 50 MHz to 6000 MHz
  • A low noise figure of 4.3 dB
  • A 12 dB typical cascaded max gain with a 36 dB continuous gain range.
  • Low current drain; ICC = 106 mA, 1.2 mA in stand-by
  • Bi-directional attenuator RF ports
  • Positive amplifier gain slope vs. frequency to counteract system PCB loss

The F2480 is available now in a 5 mm x 5 mm, 32-pin TQFN package. Click here to learn more.