US 12,334,941 B2
Unlimited bandwidth shifting systems and methods of an all-digital phase locked loop
Ali Parsa, Poway, CA (US); and Ahmed I Hussein, San Jose, CA (US)
Assigned to Apple Inc., Cupertino, CA (US)
Filed by Apple Inc., Cupertino, CA (US)
Filed on Dec. 18, 2023, as Appl. No. 18/544,289.
Application 18/544,289 is a continuation of application No. 17/746,729, filed on May 17, 2022, granted, now 11,848,680.
Prior Publication US 2024/0146318 A1, May 2, 2024
Int. Cl. H03L 7/10 (2006.01); H03K 3/037 (2006.01); H03L 7/093 (2006.01)
CPC H03L 7/10 (2013.01) [H03K 3/037 (2013.01); H03L 7/093 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An electronic device, comprising:
processing circuitry configured to generate a first input signal and a plurality of amplification parameters; and
a digital loop filter configured to generate a first output signal based at least on the first input signal and the plurality of amplification parameters, the digital loop filter comprising synchronization circuitry configured to align the first output signal with a clock signal via transmitting a first amplification parameter of the plurality of amplification parameters based on the clock signal and an enable signal.