LT5516
800MHz to 1.5GHz Direct
Conversion Quadrature Demodulator U FEATURES DESCRIPTIO в– The LT В®5516 is an 800MHz to 1.5GHz direct conversion
quadrature demodulator optimized for high linearity receiver applications. It is suitable for communications
receivers where an RF or IF signal is directly converted into
I and Q baseband signals with bandwidth up to 260MHz.
The LT5516 incorporates balanced I and Q mixers, LO
buffer amplifiers and a precision, high frequency quadrature generator. в–
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в– Frequency Range: 800MHz to 1.5GHz
High IIP3: 21.5dBm at 900MHz
High IIP2: 52dBm
Noise Figure: 12.8dB at 900MHz
Conversion Gain: 4.3dB at 900MHz
I/Q Gain Mismatch: 0.2dB
Shutdown Mode
16-Lead QFN 4mm Г— 4mm Package
with Exposed Pad In an RF receiver, the high linearity of the LT5516 provides
excellent spur-free dynamic range, even with fixed gain …