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Introduction, characteristics, and applications of ADMV8505 digital adjustable bandpass filter from Analog Devices

2/15/2024 9:15:29 AM

Summary: Features digitally selectable operating frequencies from 225MHz to 520MHz.

ADMV8505 Analog Devices

Analog Devices' ADMV8505 digitally adjustable bandpass filter has a digitally selectable operating frequency. The filter center frequency (fCENTER) can be adjusted from 225MHz to 520MHz using an 8-bit value (256x state) combined with a patented calibration technique. Typical 3dB bandwidth is 9% and adjustability is ±2%. Insertion loss is typically 4.5dB, and the 20dB rejection distance fCENTER is 19%, ideal for minimizing system interference. The ADMV8505 tunable filter can be used as a smaller replacement for large switching filter banks and discrete component-based tunable filters, providing dynamically tunable solutions for advanced communications applications.


characteristic

  • Digitally adjustable, octave, bandpass tuning

  • 3dB bandwidth, 9%±2%

  • Suppression (20dB), 19% from fCENTER

  • Single chip replacement for discrete filter banks

  • Compact 10mm × 10mm LGA package

  • RoHS-complaint


app

  • land mobile radio

  • Military Radar, Electronic Warfare and Electronic Countermeasures

  • test and measurement equipment

  • Satellite Communications

  • Industrial and medical equipment

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