30+ days ago - req10798

HMI- Electronic Engineering Design Engineer

Research & development

Electrical engineering

In a nutshell


Beijing, China


Research & development


3-7 years



Job Category

Electrical engineering


Job Description

Analog design engineer will be responsible for engineering of analog modules for E-beam metrology tools. The main responsibilities are as follows:

Work with sub-system architect, derive EPS, TPS and EDS for specific analog module
Design ultra-low noise voltage and current amplifier with both highest reliability and highest precision for HMI e-beam inspection tools
Design signal conditioning circuit for ADC and DAC for HMI e-beam inspection tools
Conduct schematic capture, circuit simulation, PCB layout
Prepare technical documents for module manufacture and release.
Conduct module prototyping, debug, and full function bench test
Support sub-system level and system level integration


Master with 3+ years hands-on experiences, or bachelor with 5+ years hands-on experiences, in electrical engineering or related fields.


Hands-on experiences of schematic capture, schematic level simulation, PCB layout, PCB level simulation, prototyping, and problem solving. Familiar with test equipment such as multi-meter, signal / function generator, oscilloscope, signal / spectral analyzer, and network analyzer. The successful candidate should be a team player and should have self-motivation, initiative, dedication, and strong communication skills. The candidate should also have the following specific skills or experiences.
OPA circuit (board level) design and building experiences. OPA application experiences
High Performance Signal Conditioning circuit design and building experience for test equipment, including but not limited to ultra-low noise voltage and current amplifier, ADC driver and cable driver.
Ultra-low noise wideband variable gain amplifier circuit (board level) design and building experience.

Ultra-low noise wideband analog switch (board level) design and building experiences
Ultra-low noise and high precision PCB Layout application experiences
High speed and high precision ADC and DAC application experiences
knowledge and experiences of signal integrity and power integrity
Mixed signal circuit (board level) design and building experiences
Knowledge of BJT, JFET and MOSFET for both switch mode and linear operation
Knowledge and experiences of board level and module level shielding and grounding is a plus