Next Wave Wireless Work Values

Daily Duties at Next Wave Wireless:

•65nm CMOS Process Designs oValidated baseband analog receiver as part of a WiMax RF/Analog Chip through extensive simulations and design adjustments. Receiver designed with 1.2V supply and consisted of 3 pole Butterworth filter (biquad followed by RC Filter) and driver stage. Baseband block designed with multiple gain and bandwidth settings to filter desired RF channel bandwidths. oDesigned PFD/CP circuit as part of a WiMax Integer-N PLL with a 1.2V supply. Standard up/down tristate PDF/CP designed to have phase noise less than -230dBA/rootHz at >100 KHz offsets and phase mismatch delay less than 300ps. oDesigned low noise bandgap and 1.2V output voltage regulator circuit with max spot noise of 40nV/rootHz at 100 KHz and above. Bandgap and regulator designed to function over supply of 2.35V to 3.3V and with digital signal level of 1.2V. •0.18um SiGe Bi-CMOS Process Designs oDesigned Bias Current Mirrors (PMirrors) for WiMax transceiver chip. PMirrors designed to be central biasing scheme for every circuit on RF/Analog Chip. Architecture based on farming out proper bias from main bias generator. oDesigned Analog TestBus for signals <10MHz for WiMax transceiver chip which allowed for debug of internal circuits and nodes possible for Rx/Tx section of the RF/Analog Chip. oDesign and debug for multi-site Highly Accelerated Stress Test (HAST) and High Temperature Operational Life (HTOL) qualification boards for the RF/Analog chip. Worked with Ops team to root cause issues and bring to completion qualification testing. Tracked status and performed failure analysis during qualifications. Chips in production. oTemperature and voltage testing for RF/Analog Chip over temperature and battery voltage range. Tested critical RF parameters including Rx/Tx EVM, IP1dB, Gain, OIP3, and ACPR. •Tested and debugged several RF/Analog circuits in lab including low transmitter output power on HTOL boards due to bad matching network and layout and low regulator output voltage due to bad routing in layout.

What they like about Next Wave Wireless:

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Tags

Analog Design, RFIC, Mixed Signal, Analog, Bandgap, Op Amp, MMIC, MIC, Transceiver, PMIC, Power Amplifier, Oscillator, VCO, LNA, CMOS, Start Up, Regulator, Cadence, BJT, Receiver, Transmitter

Skills

Software Programming: Java(Expert) C(Proficient) , Root Cause Analysis, Application Testing, Process Engineering, Medium/High Voltage Switchgear and Transformers: 15KV/115KV/4160 volts , Low Voltage Voltage Switchgear and Transformers: 480 volts , Software Implementation, CMOS Technology, Analog IC Design, RFIC Design, Mixed Signal IC Design, Microwave IC Design, Semiconductor Device Physics, CAD Simulation , IC Testing and Debugging, Cadence Virtuoso Platform version 6.1 and 5.1 , Advanced Design System (ADS), AWR MicroWave Office, SPICE, MATLAB, Ocean Script, Assura LVS and RCX, Layout, Lab Tools :scilloscope, Signal Generator, Spectrum Analyzer, VSA, High Impedance Probe

These are some of the questions we asked our climbers about their experiences with Next Wave Wireless: