Single RF oscillator technique for built-in tune, test, and calibration of a transceiver
AssigneeArm Limited
InventorsAnthony Kresimir Stampalia, Mario Lafuente
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Abstract
Methods and various structures provide for loopback tuning, testing, and calibrating of a transceiver, including: supplying RF drive to both a transmitter and a receiver of the transceiver from one oscillator; applying a modulation waveform to a transceiver block of the transceiver to produce an amplitude-modulated signal; converting a sideband of the amplitude-modulated signal to a baseband signal having a frequency suitable for processing by a receiver digital block, where processing the baseband signal produces a digital output; and performing tuning, testing, and calibrating of the transceiver block, based at least in part on the digital output.
Claims19
A method for loopback tuning, testing, and calibrating (TTC) of a transceiver, comprising:
- supplying RF drive to both a transmitter and a receiver of the transceiver from one oscillator;
- applying a modulation waveform to a transceiver block of the transceiver to produce an amplitude-modulated signal;
- converting a sideband of the amplitude-modulated signal to a baseband signal having a frequency suitable for processing by a receiver digital block, where processing the baseband signal produces a digital output;
- and
- performing at least one of tuning, testing, and calibrating of the transceiver block, based at least in part on the digital output.
Dependencies are inferred from the claim text.