Technical Projects

Integrated PWM for Audio

Full-custom CMOS PWM integrated circuit for audio in XH018, from transistor-level schematic through physical layout and post-layout verification with DRC/LVS sign-off.

Full-CustomCMOSIC LayoutCadence

Charge-Sensitive Amplifier

Transistor-level design of a charge-sensitive amplifier with NMOS cascode input and CR-RC² shaper, achieving ENC below 100 e-rms. Full PVT corner and Monte Carlo analysis.

Analog ICNoise AnalysisMonte CarloCadence

MNIST Neural Network on FPGA

Dense neural network for MNIST digit classification in VHDL on FPGA, using fixed-point arithmetic for hardware efficiency and achieving 98% classification accuracy.

VHDLFPGANeural NetworkFixed-Point

16-Point FFT Pipeline

Pipelined Radix-4 FFT in VHDL for FPGA, achieving a 4.4x improvement in maximum operating frequency (44 to 193 MHz) through structural pipelining.

VHDLRTL OptimizationFPGADSP

MEMS Pressure Instrumentation

Analog instrumentation chain for a capacitive MEMS pressure sensor at ~68 kHz, with TIA and per-stage noise budget. Validated with LTSpice and experimental measurements.

TIAMEMSLTSpiceNoise Analysis

ECG Front-End PCB

Signal acquisition PCB for biomedical ECG, built around a high-CMRR instrumentation amplifier with active analog filtering for noise rejection.

PCB DesignBiomedicalInstrumentation