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Analog Sigma Delta Jobs (NOW HIRING)

Apple

RFIC - PLL Design Engineer

Sunnyvale, CA · On-site

$240.30K/yr

TDC, Digital Filters, Sigma Delta Modulators, Pre-scalers, MMD, DCO/VCOs and PFD/CP. * Deep understanding of analog, mixed-signal and RF circuit design concepts. This includes LNAs, PAs, mixers ...

Apple

RFIC - PLL Design Engineer

Irvine, CA · On-site

$216.80K/yr

TDC, Digital Filters, Sigma Delta Modulators, Pre-scalers, MMD, DCO/VCOs and PFD/CP. Deep understanding of analog, mixed-signal and RF circuit design concepts. This includes LNAs, PAs, mixers ...

Apple

RFIC - PLL Design Engineer

San Diego, CA · On-site

$214.50K/yr

TDC, Digital Filters, Sigma Delta Modulators, Pre-scalers, MMD, DCO/VCOs and PFD/CP. * Deep understanding of analog, mixed-signal and RF circuit design concepts. This includes LNAs, PAs, mixers ...

Apple

PLL Design Engineer

Sunnyvale, CA · On-site

$237.10K/yr

... analog and mixed signal solutions for next-generation wireless chips. BSEE required. Experience designing fractional-N PLLs, Digital PLLs, sigma-delta PLLs, and VCOs.Strong knowledge of loop design ...

Apple

PLL Design Engineer

Sunnyvale, CA · On-site

$237.10K/yr

... analog and mixed signal solutions for next-generation wireless chips. BS and 10+ years of relevant industry experience required. Experience designing fractional-N PLLs, Digital PLLs, sigma-delta PLLs ...

Apple

RFIC - PLL Design Engineer

Irvine, CA

$171.60K - $302.20K/yr

TDC, Digital Filters, Sigma Delta Modulators, Pre-scalers, MMD, DCO/VCOs and PFD/CP. Deep understanding of analog, mixed-signal and RF circuit design concepts. This includes LNAs, PAs, mixers ...

Apple

RFIC - PLL Design Engineer

Irvine, CA

$171.60K - $302.20K/yr

TDC, Digital Filters, Sigma Delta Modulators, Pre-scalers, MMD, DCO/VCOs and PFD/CP. Deep understanding of analog, mixed-signal and RF circuit design concepts. This includes LNAs, PAs, mixers ...

Apple

RFIC - PLL Design Engineer

Irvine, CA

$171.60K - $302.20K/yr

TDC, Digital Filters, Sigma Delta Modulators, Pre-scalers, MMD, DCO/VCOs and PFD/CP. Deep understanding of analog, mixed-signal and RF circuit design concepts. This includes LNAs, PAs, mixers ...

Apple

RFIC - PLL Design Engineer

Irvine, CA

$171.60K - $302.20K/yr

TDC, Digital Filters, Sigma Delta Modulators, Pre-scalers, MMD, DCO/VCOs and PFD/CP. Deep understanding of analog, mixed-signal and RF circuit design concepts. This includes LNAs, PAs, mixers ...

Cirrus Logic

Analog Design Engineer

Chandler, AZ · On-site

$198.90K/yr

Delta-sigma ADCs/DACs and discrete-time or continuous-time signal processing * Switched-capacitor circuits, PLLs, LNAs, and audio-oriented analog blocks * System and behavioral modeling * Familiarity ...

Cirrus Logic

Staff Analog Design Engineer

Chandler, AZ · On-site

$198.90K/yr

Delta-sigma ADCs/DACs and discrete-time or continuous-time signal processing * Switched-capacitor circuits, PLLs, LNAs, and audio-oriented analog blocks * System and behavioral modeling * Familiarity ...

Cirrus Logic

Senior Analog Design Engineer

Chandler, AZ · On-site

$198.90K/yr

Delta-sigma ADCs/DACs and discrete-time or continuous-time signal processing * Switched-capacitor circuits, PLLs, LNAs, and audio-oriented analog blocks * System and behavioral modeling * Familiarity ...

Cirrus Logic

Senior Staff Analog Design Engineer

Chandler, AZ · On-site

$198.90K/yr

Delta-sigma ADCs/DACs and discrete-time or continuous-time signal processing * Switched-capacitor circuits, PLLs, LNAs, and audio-oriented analog blocks * System and behavioral modeling * Familiarity ...

Cypress HCM

Principal Electrical Engineer

Bohemia, NY

$143.50K - $175.50K/yr

Deep bench of Analog Circuit design: * Multiple A to D architectures (multi-pass SAR, Flash, Sigma Delta, Pipeline) and D to A (serial DACs, R2R, current steering, charge scaling). * Low noise and ...

Apple

PLL Design Engineer

Sunnyvale, CA

$126.80K - $220.90K/yr

... and develop analog and mixed signal solutions for next-generation wireless chips ... Preferred Qualifications Experience designing fractional-N PLLs, Digital PLLs, sigma-delta PLLs ...

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All JobsAnalog Sigma Delta Jobs

Analog Sigma Delta information

See salary details

$100.5K

$142.4K

$225K

How much do analog sigma delta jobs pay per year?

As of Jun 4, 2026, the average yearly pay for analog sigma delta in the United States is $142,396.00, according to ZipRecruiter salary data. Most workers in this role earn between $117,500.00 and $139,000.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as an Analog Sigma Delta Design Engineer, and why are they important?

To excel as an Analog Sigma Delta Design Engineer, you need a solid background in analog circuit design, signal processing, and semiconductor physics, typically supported by a degree in electrical engineering or a related field. Proficiency with EDA tools such as Cadence, SPICE simulators, and MATLAB, as well as familiarity with sigma-delta modulation architectures, is essential. Strong problem-solving abilities, attention to detail, and effective communication are crucial soft skills for collaborating with multidisciplinary teams and troubleshooting complex designs. These competencies enable the creation of high-performance, reliable analog-to-digital converters critical for modern electronics.

What are some common challenges faced by Analog Sigma Delta engineers in designing high-resolution data converters?

Analog Sigma Delta engineers often encounter challenges related to minimizing noise and distortion to achieve high resolution and accuracy in data converters. Managing the trade-offs between power consumption, speed, and area while ensuring robust performance across process, voltage, and temperature variations is essential. Additionally, close collaboration with digital design, layout, and verification teams is required to optimize overall system performance and meet stringent specifications.

What is an Analog Sigma Delta (ΣΔ) engineer?

An Analog Sigma Delta (ΣΔ) engineer is a professional who specializes in designing and developing sigma-delta analog-to-digital and digital-to-analog converters (ADCs and DACs). These engineers work on circuits that use oversampling and noise-shaping techniques to achieve high resolution and accuracy in converting analog signals to digital data and vice versa. Their expertise is crucial in applications such as audio processing, instrumentation, and communication systems, where precise signal conversion is required. They typically work with mixed-signal integrated circuits and collaborate closely with digital and system engineers.

What is the difference between Analog Sigma Delta vs Digital Signal Processor?

AspectAnalog Sigma DeltaDigital Signal Processor
Required CredentialsEngineering degree in Electrical or Electronics Engineering, certifications in analog circuit designEngineering degree in Electrical, Electronics, or Computer Engineering, certifications in digital signal processing
Work EnvironmentDesign and testing of analog circuits, lab environments, manufacturing facilitiesProgramming, algorithm development, embedded systems, software development
Industry UsageAudio processing, sensor data conversion, instrumentationAudio, telecommunications, image processing, embedded systems

Analog Sigma Delta and Digital Signal Processors are both essential in signal processing but serve different functions. Analog Sigma Delta converters focus on converting analog signals to digital with high precision, while Digital Signal Processors handle complex digital algorithms. Understanding their differences helps in selecting the right technology for specific applications.

Infographic showing various Analog Sigma Delta job openings in the United States as of May 2026, with employment types broken down into 79% Full Time, 14% Part Time, and 7% Contract. Highlights an 93% Physical, 3% Hybrid, and 4% Remote job distribution, with an average salary of $142,396 per year, or $68.5 per hour.
RFIC - PLL Design Engineer

RFIC - PLL Design Engineer

Apple

Sunnyvale, CA • On-site

$240.30K/yr

Full-time

This job post has expired today. Applications are no longer accepted.

Apple rating

8.1

Company rating: 8.1 out of 10

Based on 661 frontline employees who took The Breakroom Quiz

6th of 30 rated technology retailers

Job description

Role Number: 200647854-3956

Summary

Would you like to join Apple's growing wireless silicon development team? The wireless RFIC team architects, designs, and validates radio transceivers integrated into complex wireless SoCs. Our wireless organization is responsible for all aspects of wireless silicon development that transform the user experience at the product level, all of which is driven by a best-in-class vertically integrated engineering team spanning RF/Analog architecture and design, Systems/PHY/MAC architecture and design, VLSI/RTL design and integration, Emulation, Design Verification, Test and Validation, and FW/SW engineering. As Sr. RFIC - PLL Design Engineer within the Wireless Radio team, you will be at the center of a wireless SoC design group with a critical impact on getting Apple's state-of-the-art wireless connectivity solutions into hundreds of millions of products.

Description

As a RFIC-PLL Designer, you are going to contribute to providing analog and digital PLL solutions for wireless SoC and driving them to mass production for Apple's Wireless Connectivity products.

Minimum Qualifications

  • BS and 10 + years of relevant industry experience.
  • Experienced in design and development of Analog and Digital PLLs and LOGEN for high performance applications.
  • Hands on experience in designing PLL building blocks: TDC, Digital Filters, Sigma Delta Modulators, Pre-scalers, MMD, DCO/VCOs and PFD/CP.
  • Deep understanding of analog, mixed-signal and RF circuit design concepts. This includes LNAs, PAs, mixers, baseband filters, VGAs and calibration methods associated with high performance wireless systems.
  • Experienced in Cadence Virtuoso, Spectre RF, Matlab, EM simulation (EMX, HFSS) and similar tools.
  • Familiarity with mixed-signal mode verification methodology (SystemVerilog, AMS).
  • Extensive experience in PLL and LOGEN silicon characterization and debug.

Preferred Qualifications

  • Ph.D. degree
  • Hands on experience in modeling, analysis and design of noise/spur cancellation techniques in PLLs.
  • Familiarity with various RF transceiver architectures and their trade-offs, system specifications and ability to work with system architects to translate system requirements into circuit requirements at IC level.
  • Familiarity with timing analysis tools (Nanotime, Primetime).
  • Direct experience in designing and bringing into mass production of wireless transceivers in deep sub-micron RFCMOS technology.
  • Demonstrated capability to work with digital design group for an optimum partition between digital and analog and contribute to providing comprehensive timing requirements.

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About Apple

Sourced by ZipRecruiter

Imagine what you could do here! At Apple, new ideas have a way of becoming extraordinary products, services, and customer experiences very quickly. Bring passion and dedication to your job and there's no telling what you could accomplish. Dynamic, intelligent people and inspiring, innovative technologies are the norm here. The people who work here have reinvented entire industries with all Apple Hardware products. The same real passion for innovation that goes into our products also applies to our practices strengthening our dedication to leave the world better than we found it.

Industry

Computer and electronic product manufacturing

Company size

10,000+ Employees

Headquarters location

Cupertino, CA, US

Year founded

1976

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