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LT5518 1.5GHz–2.4GHz High Linearity Direct Quadrature Modulator
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FEATURES
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DESCRIPTIO
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High Input Impedance Version of the LT5528 Direct Conversion to 1.5GHz – 2.4GHz High OIP3: 22.8dBm at 2GHz Low Output Noise Floor at 20MHz Offset: No RF: –158.2dBm/Hz POUT = 4dBm: –152.5dBm/Hz 4-Ch W-CDMA ACPR: –64dBc at 2.14GHz Integrated LO Buffer and LO Quadrature Phase Generator 50Ω AC-Coupled Single-Ended LO and RF Ports Low Carrier Leakage: –49dBm at 2GHz High Image Rejection: 40dB at 2GHz 16-Lead QFN 4mm × 4mm Package
U APPLICATIO S
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Infrastructure Tx for DCS, PCS and UMTS Bands Image Reject Up-Converters for DCS, PCS and UMTS Bands Low Noise Variable Phase-Shifter for 1.5GHz to 2.