50 MHz To 1000 MHz Quadrature Demodulator

The AD8348 is a Broadband quadrature Demodulator with an integrated intermediate frequency (IF), Variable Gain Amplifier (VGA), and integrated baseband Amplifiers It is suitable for use in Communications receivers, performing quadrature demodulation from IF directly to baseband frequencies. The baseband Amplifiers are designed to Interface directly with dual-channel ADCs such as the AD9201 AD9283, and AD9218, for digitizing and post-processing.
The IF input signal is fed into two Gilbert cell mixers through an X-AMP VGA. The IF VGA provides 44 dB of gain control. A precision gain control circuit sets a linear-in-decibel gain characteristic for the VGA and provides temperature compensation. The LO quadrature phase splitter employs a divide-by-2 Frequency Divider to achieve high quadrature accuracy and amplitude balance over the entire operating frequency range.
The AD8348 is fabricated on an advanced bipolar process, operating on a single 3 or 5 volt supply, packaged in space saving 28 lead thin shrunk small outline (TSSOP) package and fully specified over the 40 to +85 C temperature range
Samples AD8348ARU and evaluation boards AD8348-EVAL are available
Other Modulator Demodulator products
AD8345 250MHz 1GHz RF/IF Modulator AD8346 800MHz 2.5GHz Modulator AD8347 800MHz 2.7GHz Demodulator AD8349 700MHz 2.7GHz Modulator
By Analog Devices, Inc.
AD8348 's PackagesAD8348 's pdf datasheet

AD8348 Pinout, Pinouts
AD8348 pinout,Pin out
This is one package pinout of AD8348,If you need more pinouts please download AD8348's pdf datasheet.

AD8348 Application circuits
AD8348 circuits
This is one application circuit of AD8348,If you need more circuits,please download AD8348's pdf datasheet.

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