Deepak kumar Diwedi

RF Hardware Engineer experienced in NPI and R&D, with expertise in RF characterization, S-parameters (S11, S21), impedance matching, and antenna tuning. Proven skills in TX/RX validation, RF debugging, and system performance optimization.

NPI RF Hardware Engineer - Foxconn Hon Hai Technology India Mega Development Pvt.Ltd

(2023-12)

Working as Failure Analysis and Design Validation Engineer during NPI

• Hands-on experience in RF design, testing, and validation for Sub-6 GHz and mm Wave products during NPI stage
• Responsible for RF validation of new products during development builds before mass production
• Performed antenna tuning and impedance matching to meet RF performance targets
• Validated RF components using S-parameters (S11, S21), impedance matching, Return Loss, P1db, gain
• Conducted TX testing: ACLR, EVM, Tx Power, Phase Noise, Harmonics, Spurious, and regulatory checks
• Performed RX testing: RSSI, SNR, Sensitivity and Desense analysis
• Executed signaling and non-signaling tests for full RF validation
• Performed failure analysis and root cause debugging during NPI builds and supported quick issue resolution
• Set up and maintained RF lab environments, including fixtures, calibration, probe setup, and OTA path loss
• Worked with instruments: CMW500/100, UXM Pro, VNA, Signal Generator, Spectrum Analyzer, Power Meter, Load Pull, CMP180/200
• Used tools: QXDM, QRCT, PCAT, QUST, QSPR for log analysis and modem debugging
• Worked closely with cross-functional teams (HW, SW, modem) during product development, Attended daily meetings with Apple customers, discussing RF performance, issues, and validation status calibration, probe setup, and OTA path loss
• Prepared and shared daily RF validation reports and analysis with customers

RF Hardware Testing & Validation Engineer – R&D Team - NOKIA Solutions and Network India Ltd. - Gurgaon

(2018-09 - 2023-12)

Promoted as Team leader from July 2021 in Nokia Solution and leading whole FA team.

• Worked in the R&D team for RF hardware testing, validation, and design verification of 4G and 5G technology
• Performed RF design validation and characterization of RF circuits, transceivers, PA, LNA, filters, and antenna systems
• Conducted S-parameter analysis (S11, S21) using Vector Network Analyzer (VNA) for impedance matching and RF performance optimization
• Executed RF tuning, debugging, and troubleshooting to improve gain, return loss, isolation, and efficiency
• Validated RF parameters including output power, P1dB, EVM, ACLR, sensitivity, and noise figure using RF test equipment
• Performed antenna tuning and matching optimization to achieve desired frequency response and radiation performance
• Conducted OTA and conducted RF measurements for wireless communication products
• Used RF instruments such as Spectrum Analyzer, Signal Generator, Power Meter, Oscilloscope, and VNA for testing and analysis
• Supported new product development activities from prototype stage to validation and issue resolution
• Collaborated closely with RF design, hardware, and system teams for root cause analysis and design improvement
• Prepared RF validation reports, test documentation, and technical analysis for design review
• Performed failure analysis and corrective action validation to ensure product quality and reliability

Bachelor of Engineering - Electrical and Electronics Engineering (EEE) - Chhattisgarh University (CSVTU) (2018)

HSSC - UP Board (2014)

SSC - UP Board (2012)