US 11,757,407 B2
Wideband voltage-controlled oscillator circuitry
Abbas Komijani, Mountain View, CA (US); Hongrui Wang, San Jose, CA (US); and Sohrab Emami-Neyestanak, Pasadena, CA (US)
Assigned to Apple Inc., Cupertino, CA (US)
Filed by Apple Inc., Cupertino, CA (US)
Filed on Aug. 31, 2022, as Appl. No. 17/900,714.
Application 17/900,714 is a continuation of application No. 17/516,532, filed on Nov. 1, 2021.
Application 17/516,532 is a continuation of application No. 17/131,168, filed on Dec. 22, 2020, granted, now 11,165,389, issued on Nov. 2, 2021.
Prior Publication US 2022/0416720 A1, Dec. 29, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H03B 5/12 (2006.01); H03B 5/04 (2006.01); H03L 7/097 (2006.01); H03L 7/099 (2006.01); H03L 7/089 (2006.01)
CPC H03B 5/1228 (2013.01) [H03B 5/04 (2013.01); H03B 5/1212 (2013.01); H03B 5/1243 (2013.01); H03B 5/1265 (2013.01); H03B 5/1271 (2013.01); H03L 7/0891 (2013.01); H03L 7/097 (2013.01); H03L 7/099 (2013.01)] 20 Claims
OG exemplary drawing
 
1. Clocking circuitry comprising:
a first oscillator;
a second oscillator; and
at least one switch coupled between the first oscillator and the second oscillator and configured to reverse a current direction in the first oscillator and in the second oscillator.