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Commutating amplifier with wide dynamic range
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KFM frequency tracking system using an analog correlator
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WO2007137094A2
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A multi-mode vco for direct fm systems
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System for matched and isolated references
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PLL with dual edge sensitivity
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PLL with switched parameters
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Direct synthesis transmitter
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High-Q integrated RF filters
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Multi-segment gain control system
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Phase-locked loop calibration system
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Smart transmitter system
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Bias voltage circuit with ultra low output impedance
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Charge pump circuit
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Direct down-conversion mixer architecture
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VCO with automatic calibration
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Long time-constant integrator
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Translinear variable gain amplifier
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Envelope limiting for polar modulators
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BiCMOS variable-gain transconductance amplifier
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Amplitude-adjustable oscillator
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