US 11,740,208 B2
Switched capacitor delay line
Prashuk Jain, Bengaluru (IN); Ravikumar Pattipaka, Bengaluru (IN); Vajeed Nimran Parambil Abdul Raheem, Bengaluru (IN); and Sandeep Kesrimal Oswal, Bengaluru (IN)
Assigned to TEXAS INSTRUMENTS INCORPORATED, Dallas, TX (US)
Filed by TEXAS INSTRUMENTS INCORPORATED, Dallas, TX (US)
Filed on Jun. 17, 2021, as Appl. No. 17/350,552.
Application 17/350,552 is a continuation of application No. 16/220,001, filed on Dec. 14, 2018.
Claims priority of application No. 201841041182 (IN), filed on Oct. 31, 2018.
Prior Publication US 2021/0310996 A1, Oct. 7, 2021
Int. Cl. G01S 7/52 (2006.01); G01N 29/24 (2006.01); G06F 7/58 (2006.01); G01S 7/491 (2020.01); G01N 29/36 (2006.01)
CPC G01N 29/2468 (2013.01) [G01N 29/36 (2013.01); G01S 7/491 (2013.01); G01S 7/5208 (2013.01); G01S 7/52023 (2013.01); G01S 7/52095 (2013.01); G06F 7/582 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A receiver of an ultrasound probe comprising:
a plurality of transducers;
frontend circuitry coupled to the plurality of transducers;
a beamformer coupled to the frontend circuitry wherein the beamformer comprises:
delay line control circuit, the delay line control circuit comprising:
a pseudo-random number generator; and
a random phase generator circuit coupled to the pseudo-random number generator, and comprising:
a sequence register;
an adder comprising:
a first input coupled to an output of the pseudo-random number generator;
a second input coupled to an output of the sequence register; and
an output coupled to an input of the sequence register; and
an encoding circuit comprising:
an input coupled to the output of the sequence register; and
a plurality of outputs.