Inventor
PARVIZI MAHDI
CA22 patents
⚠️ This page may combine multiple inventors who share the name “PARVIZI MAHDI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CIENA CORP
19 patentsUS10715155B1Jul 14, 2020
Apparatus and methods for digital phase locked loop with analog proportional control function
CIENA CORP16 citations94
US10727854B1Jul 28, 2020
Apparatus and methods for realization of N time interleaved digital-to-analog converters
CIENA CORP15 citations84
US10678112B2Jun 9, 2020
Fully differential traveling wave series push-pull mach-zehnder modulator
CIENA CORP7 citations84
US10320374B2Jun 11, 2019
Fine resolution high speed linear delay element
CIENA CORP9 citations84
US10903841B1Jan 26, 2021
Apparatus and methods for high frequency clock generation
CIENA CORP14 citations83
US10749536B1Aug 18, 2020
High-order phase tracking loop with segmented proportional and integral controls
CIENA CORP5 citations83
US10516403B1Dec 24, 2019
High-order phase tracking loop with segmented proportional and integral controls
CIENA CORP10 citations83
US10425099B1Sep 24, 2019
Extremely-fine resolution sub-ranging current mode Digital-Analog-Converter using Sigma-Delta modulators
CIENA CORP17 citations83
US10848164B1Nov 24, 2020
Apparatus and methods for digital fractional phase locked loop with a current mode low pass filter
CIENA CORP10 citations82
US10330962B1Jun 25, 2019
Patterned accumulation mode capacitive phase shifter
CIENA CORP7 citations78
US11012081B2May 18, 2021
Apparatus and methods for digital phase locked loop with analog proportional control function
CIENA CORP2 citations73
US10680585B2Jun 9, 2020
Techniques and circuits for time-interleaved injection locked voltage controlled oscillators with jitter accumulation reset
CIENA CORP6 citations73
US11196534B1Dec 7, 2021
Apparatus and methods for low power clock generation in multi-channel high speed devices
CIENA CORP2 citations72
US11561570B2Jan 24, 2023
Apparatus and methods for low power frequency clock generation and distribution
CIENA CORP0 citations62
US11349486B1May 31, 2022
High-order phase tracking loop with segmented proportional and integral controls
CIENA CORP0 citations62
US11218155B2Jan 4, 2022
Apparatus and methods for digital fractional phase locked loop with a current mode low pass filter
CIENA CORP0 citations61
US11245401B2Feb 8, 2022
Apparatus and methods for high frequency clock generation
CIENA CORP0 citations60
US11804847B2Oct 31, 2023
Fractional frequency synthesis by sigma-delta modulating frequency of a reference clock
CIENA CORP0 citations50
US11770203B2Sep 26, 2023
Matching transmitters with receivers for making network-level assignments
CIENA CORP0 citations50