Analog circuit design
Complete schematic design with component selection optimized for noise, offset, and temperature stability.
Precision Analog Design
Precision analog design for circuits where every microvolt matters
I design low-noise, high-accuracy analog circuits for audio, biomedical, and sensor applications, and I confirm the performance on the bench before you commit to a production run.
Usually delivered as part of a full design project, by the same engineer from specification to production handoff. What is available on its own
20+ years experience
Clients in 15+ countries
Bench-tested in-house
You own every design file
54,000+
hours of client design work
27Published case studies
15+Countries served
Concept to prototypeEnd to end delivery
In-house labBench-verified, not just simulated
Why it matters
In analog, every component and every trace decides whether the measurement holds.
Analog design asks for a different mindset than digital work. Every component choice, every trace routing decision, and every power supply characteristic affects performance. Noise, offset, drift, and distortion are constant adversaries that have to be understood and controlled through careful design. Proper analog-to-digital separation is what lets a precision front end reach its full potential even on a board crowded with microcontrollers and digital logic. This is where precision analog design and low-noise front-end work matter most: a mixed-signal PCB where grounding, shielding, and layout decide whether microvolt-level signals survive next to the digital switching.
What you get
Everything you need to hit the analog spec
From high-fidelity audio to biomedical acquisition and industrial sensor interfaces, each engagement is delivered as a complete, verified package.
Simulation results
SPICE analysis including AC response, transient behavior, noise analysis, and Monte Carlo tolerance studies.
PCB layout guidelines
Detailed placement and routing constraints for achieving specified analog performance.
Power supply design
Low-noise power regulation with proper filtering and sequencing for analog sections.
Test procedures
Documented test methods for verifying analog performance in production.
Calibration strategy
Where needed, methods for calibrating offset, gain, and other parameters.
Performance verification
Measured results from the prototype demonstrating specified performance.
Common problems avoided
The failures that quietly wreck a measurement
Professional analog design prevents these common circuit issues before they reach the bench.
Ground loops
Multiple ground paths creating noise pickup and offset errors.
Power supply coupling
Digital switching noise contaminating analog supplies.
Thermal drift
Components with poor temperature coefficients causing measurement errors.
Input bias current effects
Wrong resistor values causing offset errors with high-impedance sources.
Inadequate filtering
Aliasing in sampled systems or insufficient anti-aliasing protection.
EMI susceptibility
Unshielded analog front ends picking up external interference.
How it works
A clear path from requirements to a verified prototype
1
Requirements
I define the performance targets with you: noise floor, bandwidth, accuracy, dynamic range, and environmental conditions, then identify the toughest specifications driving the design.
2
Architecture
I choose the circuit topology that fits the requirements, weigh the trade-offs between different approaches, and settle on the most robust solution.
3
Components
I select amplifiers, references, and passives with specifications that meet the performance goals, accounting for noise, offset, drift, and availability.
4
Simulation
Detailed SPICE simulation verifies performance and optimizes component values, and Monte Carlo analysis confirms the design meets spec across component tolerances.
5
Layout and verification
Critical PCB layout with attention to grounding, shielding, and placement, followed by prototype testing that validates the simulation results.
Who does the work
George Saliba
An electronics design engineer with 20+ years of professional experience across analog, digital, RF, and power designs, delivered to clients in 15+ countries. Your project is handled by the person who has shipped hardware like it, start to finish.
See the project portfolio
Questions
Frequently asked
What kind of analog work do you take on?
Precision and low-noise analog: sensor front ends and signal conditioning, biomedical and instrumentation amplifiers, audio, and the analog sections of mixed-signal boards. The focus is on noise, accuracy and clean analog-to-digital separation.
How do you keep noise and drift under control?
It starts at the schematic with the right topology, reference and part selection, and continues in layout with careful grounding, return paths and analog-digital partitioning. I verify the result on the bench with real measurements, not only simulation.
Can you design the analog part of a larger mixed-signal board?
Yes. I often handle the analog front end while the digital or firmware is done in house or by your team, and I make sure the two sides coexist without the digital noise corrupting the measurement.
Do you build and test the prototype or just hand over files?
I take it through to a tested prototype in my own lab whenever possible, so the analog performance is measured and confirmed before you commit to a production run.
Do you design precision, low-noise analog front ends?
Yes. Precision analog design and low-noise front-end work, instrumentation amplifiers, careful reference and filter design, and the grounding and shielding of a mixed-signal PCB, are a core focus, so small signals stay clean alongside the digital section of the board.
Ready when you are
Get analog design that holds its accuracy where it counts
Whether you are measuring microvolts or processing audio, tell me what the signal is and the accuracy you need, and I will design the front end to deliver it.
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