Veras M.

Digital Circuit Design: -- Microcontrollers, -- FPGA, -- Interface Buses (SPI, I2C, RS-232, RS-485, ...), -- Memory Interfaces (DDR1-3, SDRAM, Serial/Parallel Flash, ...), -- High Speed I/O Interfaces (USB, Ethernet, PCI Express, LVDS, ...); Analog Circuit Design: -- Measurement Circuits, -- Power Supply Circuits, -- A/D and D/A Converters, -- Active and Passive Filters; RF SCH&PCB design - High Power Amplifier - Antenna Design & Manufacturing & Measurement - Filter with Low Loss - Low Noise Amplifier - Mixer Firmware Development - ARDUINO, STM32, PIC, AVR, MSP430, FPGA - WiFi, BLE : ESP32, ESP8266, NRF, Zigbee, MGM210P - Raspberry Pi, Orange Pi - Embedded Linux System, FreeRTOS - GSM/GPRS/GPS: SIM800/SIM900/SIM7000/SIM7600x - SPI, I2C, CAN, TCP/IP, UDP, Websocket, RS485, MQtt, Modbus, Eth/IP - INTERNET OF THINGS With Mobile & Web - All SENSORS APPLICATION - RGB Led Matrix - BLDC Motor Driver and Conartrollers Test and Measurement - Strong knowledge about EMI/EMC Standards (IEC 61000-4-2/3/4/5/6, CISPR-25, ISO 1452, ISO 16750-2, ISO 10605) - Experienced with EMI/EMC Testing, Pre-compliance - Measurement (Power supply, RF, SI/PI) by using equipments:DMM, VNA, Oscilloscope, Spectrum Analyzer Design, Simulation and Production - Power supply (AC/DC, DC/DC), Analog, Mix-signal circuit design - Experienced with Intel Atom, Qualcomm IPQ, NXP i.MX6/8 processor, NVIDIA Jetson Nano/Xavier - Design verification using HyperLynx (SI/PI Simulation) - Be skilled LTspice (schematic, WCA, thermal simulation) - EMI filter design, shielding, EMI troubleshooting - Board bring-up and troubleshooting - Have knowledge about Design For Manufacturing (DFM), Assembly (DFA) and Test (DFT); experienced with production line - CAD tools: Altium Designer and Allegro-Orcad Proficient in using industry-standard design tools such as Altium Designer, EAGLE, KICAD, EASYEDA and PROTEUS, ensuring accurate and efficient circuit development. IPC Certified Symbols and footprints Creation, High Speed PCB Design upto 5GHz, multilayer PCB Design experience upto 32 Layers, Impedance Control, Length Matching, Antenna Tuning, Blind Vias, Buried Vias, Through Hole Vias, EMI EMC Compliant Design, etc Please contact me if you would like to develop a robust and reliable product. I am committed to delivering robust and reliable products, and I am dedicated to providing excellent customer service