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GENERAL DESCRIPTION

The ADMV85051 is an RF band-pass filter that features a digitally

selectable frequency of operation. The filter center frequency

(fCENTER) can be adjusted from 225 MHz to 520 MHz using an

8-bit value (256 states) that incorporates a patented calibration

technique.

The typical 3 dB bandwidth is 9, and adjustability is ±2. Insertion

loss is typically 4.5 dB, and the 20 dB rejection is 19 away

from the fCENTER, which is ideally suited for minimizing system

interferers.

The ADMV8505 tunable filter can be used as a smaller alternative

to large switched filter banks and discrete component-based tunable

filters, providing a dynamically adjustable solution in advanced

communications applications.

FEATURES

? Digitally tunable, octave, band-pass tuning

? 3 dB bandwidth: 9 ± 2

? Rejection (20 dB): 19 away from fCENTER

? Single chip replacement for discrete filter banks

? Compact 10 mm × 10 mm LGA package

APPLICATIONS

? Land mobile radios

? Test and measurement equipment

? Military radars and electronic warfare and electronic countermeasures

? Satellite communications

? Industrial and medical equipment