US 12,463,651 B2
Mixer second-order input-intercept point temperature compensation
Long Kong, Campbell, CA (US); Shinan Lu, Foster City, CA (US); and Utku Seckin, San Jose, CA (US)
Assigned to Apple Inc., Cupertino, CA (US)
Filed by Apple Inc., Cupertino, CA (US)
Filed on Sep. 1, 2023, as Appl. No. 18/460,259.
Prior Publication US 2025/0080126 A1, Mar. 6, 2025
Int. Cl. H03M 1/06 (2006.01); G06F 17/14 (2006.01); H03M 1/08 (2006.01)
CPC H03M 1/0609 (2013.01) [G06F 17/142 (2013.01); H03M 1/0845 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An electronic device, comprising:
a receiver comprising a mixer and an analog-to-digital converter (ADC), the mixer comprising a calibration circuit; and
one or more processors coupled to the receiver, the one or more processors configured to
receive a first set of ADC power samples from the ADC,
perform a first transform on the first set of ADC power samples associated with a first set of phases,
receive a second set of ADC power samples from the ADC,
perform a second transform on the second set of ADC power samples associated with a second set of phases, and
apply a compensation value based on the first transform and the second transform to the calibration circuit of the mixer to compensate for a second-order intermodulation product.