US 12,032,341 B2
Time to digital converter arrangement with increased detection range
Mohammed Abdulaziz, Lund (SE); Henrik Sjöland, Lund (SE); and Tony Påhlsson, Lund (SE)
Assigned to Telefonaktiebolaget LM Ericsson (Publ), Stockholm (SE)
Filed by Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
Filed on Sep. 1, 2023, as Appl. No. 18/459,719.
Application 18/459,719 is a continuation of application No. 17/920,298, granted, now 11,774,915, previously published as PCT/EP2020/061444, filed on Apr. 24, 2020.
Prior Publication US 2023/0418237 A1, Dec. 28, 2023
Int. Cl. G04F 10/00 (2006.01); H03L 7/08 (2006.01)
CPC G04F 10/005 (2013.01) [H03L 7/08 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A Time to Digital Converter, TDC, arrangement comprising:
a first delay circuit configured to:
receive a signal with multiple phases; and
output a delayed signal with corresponding multiple phases;
a set of phase detectors configured to:
compare each phase of the multiple phases of the signal with a reference signal;
a first multiplexer configured to:
receive the delayed signal; and
output a selected one of the phases of the delayed signal in response to outputs from the set of phase detectors;
a second delay circuit configured to:
receive the reference signal; and
output a delayed reference signal; and
a TDC configured to:
detect a time difference between the delayed reference signal and the selected one of the phases of the delayed signal.