Electrical Engineering Consulting in Kathmandu, Nepal
Outcome-based engineering consulting by Polarj Sapkota. From feasibility review to working prototype.
Services
Embedded Systems
Real-time control, sensor integration, firmware on STM32 and ARM Cortex platforms. Flight controllers, motor drives, data acquisition.
Power Electronics
Converter and inverter topologies, PFC circuits, static VAR compensators, TRIAC control, closed-loop DC drives. Simulation through prototyping.
Signal Integrity
High-speed PCB design review, TDR and S-parameter characterization up to 40 GHz, EMI/EMC pre-compliance. Used at GE Healthcare for MRI systems.
Circuit Design
Analog, digital, and mixed-signal circuits. 63+ completed designs across instrumentation, power, control, and RF domains.
Instrumentation
Precision measurement systems, DAQ with programmable gain (CMRR >120 dB), acoustic source localization arrays, calibration.
Feasibility Reviews
Technical due diligence for investors and founders. Architecture review, risk assessment, and go/no-go recommendations for electronics projects.
Selected Project Experience
See the full engineering portfolio for complete project details.
Superconducting magnet shimming for 1.5T MRI (10.8 H, 2 ppb inhomogeneity). 40 GHz signal integrity characterization of high-speed digital interconnects.
Inertial-frame flight controller for eVTOL aircraft. BLDC motor control algorithms.
Published research on real-time thermal rating of overhead transmission lines. Presented in Kathmandu.
4-microphone wireless sensor network for acoustic source localization. 2-degree angular resolution using TDOA cross-correlation.
Client Intake
Work With Me
Based in Kathmandu, available for on-site and remote engagements across Nepal and internationally.