1. Job Summary Biba Electronics is looking for an experienced Senior Hardware Design Engineer to lead the complete hardware design and development of a high-performance digital oscilloscope. The candidate will be responsible for the end-to-end hardware architecture, including analog front-end circuits, high-speed signal acquisition, ADC interfaces, FPGA/processor board interfaces, power management, clocking, protection circuits, and high-speed PCB design. The ideal candidate should have strong experience in precision analog electronics, mixed-signal design, high-speed digital systems, signal integrity, and laboratory instrumentation. Experience developing oscilloscopes, data acquisition systems, digitizers, spectrum analyzers, or other high-speed measurement instruments will be a significant advantage. The engineer will work closely with the FPGA, embedded Linux, firmware, mechanical, and testing teams to develop a reliable, manufacturable, and scalable oscilloscope platform. 2.

Key Responsibilities
A. Hardware architecture and system design
• Define the complete hardware architecture for a digital oscilloscope product family.
• Translate product requirements and performance specifications into hardware requirements.
• Develop system block diagrams, subsystem architectures, interface definitions, and hardware design specifications.
• Design hardware for multiple product models with different bandwidth, sampling-rate, channel-count, and memory-depth requirements.
• Select suitable ADCs, amplifiers, FPGAs, processors, clock generators, memory devices, power-management ICs, and interface components.
• Evaluate component availability, lifecycle, cost, performance, and long-term product sustainability.
• Coordinate hardware interfaces with FPGA and embedded Linux teams. B. Analog front-end (AFE) design
• Design high-bandwidth analog front-end circuits for oscilloscope applications.
• Develop input attenuation and gain-selection networks, including switched attenuators and programmable gain stages.
• Design low-noise, high-bandwidth amplifier stages and signal-conditioning circuits.
• Design input impedance, coupling, offset adjustment, termination, and protection circuits.
• Implement AC/DC coupling and input range selection.
• Design anti-aliasing and other appropriate analog filtering stages.
• Evaluate noise, bandwidth, gain accuracy, linearity, distortion, offset, and dynamic range.
• Design trigger signal-conditioning paths and coordinate analog and digital triggering requirements.
• Understand the effects of parasitic capacitance, PCB layout, impedance discontinuities, and component tolerances on analog performance. C. High-speed ADC and data acquisition hardware
• Select and integrate high-speed ADCs based on the required sample rate, resolution, analog bandwidth, and dynamic performance.
• Design ADC input, reference, clock, power, and support circuitry.
• Implement high-speed interfaces such as JESD204B/JESD204C or LVDS/CMOS ADC interfaces, as applicable.
• Design clock distribution and low-jitter sampling-clock circuits.
• Evaluate clock phase noise, aperture jitter, ADC SNR, SFDR, ENOB, and spurious performance.
• Coordinate with the FPGA engineer on ADC data capture, clocking, synchronization, and interface timing.
• Develop hardware supporting acquisition memory, pre-trigger/post-trigger capture, and multi-channel synchronization.




• Work on hardware architecture for different acquisition modes and sampling configurations. D. High-speed PCB design and signal integrity
• Develop complex multilayer PCBs for mixed-signal and high-speed digital systems.
• Define PCB stack-up, controlled-impedance routing, differential-pair requirements, grounding, and return-current paths.
• Design high-speed interfaces involving ADCs, FPGAs, DDR memory, Ethernet, USB, PCIe, or other relevant interfaces.
• Apply signal-integrity and power-integrity principles to high-speed digital and precision analog designs.
• Manage isolation between noisy digital circuitry and sensitive analog sections without compromising return paths or overall EMC performance.
• Review PCB layouts for routing quality, timing constraints, coupling, crosstalk, and manufacturability.
• Coordinate with PCB layout engineers and fabrication/assembly vendors. E. Power supply and clock architecture
• Design power-tree architecture for analog, ADC, FPGA, processor, memory, and peripheral sections.
• Select and implement DC-DC converters, LDOs, reference supplies, sequencing circuits, and power monitoring.
• Manage power integrity, thermal dissipation, supply noise, and transient response.
• Develop clock-generation and clock-distribution architectures.
• Ensure low-noise supply rails for precision analog and high-speed sampling circuits. F. Hardware bring-up, debugging, and validation
• Lead initial PCB bring-up, power-on checks, and subsystem validation.
• Debug complex hardware issues using oscilloscopes, spectrum analyzers, logic analyzers, VNAs, and other laboratory equipment.
• Validate ADC performance, analog bandwidth, noise floor, gain accuracy, offset accuracy, linearity, and channel isolation.
• Perform hardware characterization, root-cause analysis, and design improvements.
• Support EMC/EMI, ESD, thermal, reliability, and safety testing.
• Develop hardware validation procedures, test plans, and engineering reports.
• Support prototype iterations and transition the design to production. G. Documentation and cross-functional collaboration
• Prepare schematics, BOMs, design calculations, interface documents, and hardware specifications.
• Maintain component selection records, design reviews, and engineering change documentation.
• Work with firmware, FPGA, mechanical, quality, testing, sourcing, and manufacturing teams.
• Support prototype procurement, vendor discussions, DFM/DFT reviews, and production ramp-up.
• Take ownership of hardware milestones, technical risks, and issue closure. 3. Required Technical Skills Skill area Required competency Analog electronics Precision analog circuits, amplifiers, filters, attenuation networks, noise and distortion analysis High-speed data acquisition ADC selection, sampling theory, ADC interface design, clocking, signal integrity Mixed-signal hardware Analog/digital partitioning, grounding, power integrity,



noise mitigation PCB design Advanced multilayer PCB design/review, controlled impedance, differential pairs, high-speed routing Power electronics DC-DC converters, LDOs, low-noise rails, power sequencing and thermal analysis Clock design Low-jitter clocks, clock buffers, PLLs, synchronization and clock distribution Debugging Oscilloscope, spectrum analyzer, logic analyzer, DMM, VNA where applicable Hardware documentation Schematics, BOMs, design specifications, validation reports and change management Product engineering Prototype bring-up, design verification, DFM/DFT, EMC/EMI and production support 4. Software and Design Tools Candidates should have hands-on experience with several of the following:
• EDA tools: Altium Designer, Cadence OrCAD/Allegro, or equivalent.
• Simulation: LTspice, PSpice, or equivalent analog circuit simulation tools.
• Signal integrity: HyperLynx, Cadence Sigrity, or equivalent tools, where applicable.
• Laboratory tools: High-bandwidth oscilloscopes, spectrum analyzers, signal generators, logic analyzers, and precision measurement instruments.
• Documentation: Excel, design review documents, BOM management, and engineering change tracking. 5. Educational Qualifications
• B.
E./B.
Tech. in Electronics and Communication Engineering, Electrical Engineering, Instrumentation Engineering, or a closely related discipline.
• M.
E./M.
Tech. in a relevant field is an advantage.
• 7–8 years of relevant experience in electronics hardware design and product development. 6. Preferred Experience
• Development of digital oscilloscopes, digitizers, spectrum analyzers, RF instruments, or precision measurement systems.
• High-speed ADCs operating at hundreds of MSPS or GSPS, depending on the product requirements.
• FPGA interfacing with high-speed ADCs and acquisition memory.
• High-speed DDR memory and PCIe interface design.
• Precision analog front-end design with demanding noise, bandwidth, and agile-range requirements.
• Experience with hardware calibration, production test development, and instrument performance characterization.
• Exposure to IEC/EN 61010-1, EMC standards, and relevant laboratory instrument safety requirements. 7. Expected Deliverables The engineer will be expected to deliver:
• Complete oscilloscope hardware architecture and design documentation.
• Analog front-end and input protection circuits.
• ADC, clocking, power supply, and acquisition interface hardware.
• Processor/FPGA board interfaces and expansion interfaces.
• Production-ready schematics, PCB design reviews, and BOM.
• Working hardware prototypes and documented bring-up results.
• Hardware validation and performance characterization reports.
• DFM/DFT recommendations and production handover documentation. 8. Candidate Profile The ideal candidate is a hands-on hardware engineer who can independently take a complex mixed-signal instrument from concept to working prototype. The candidate must be comfortable solving difficult analog performance and high-speed signal integrity problems, making architecture-level decisions, and collaborating with firmware and FPGA engineers.
• Important screening criterion: Prioritize candidates who have designed and validated complete mixed-signal hardware products. A candidate with only power supply design, basic microcontroller boards, or routine PCB layout experience will not be sufficient

📌 Senior Hardware Design Engineer — Digital Oscilloscope (Gurugram)
🏢 BIBA Electronics
📍 Gurugram