Analog, digital, and RF CMOS ASICs that my students have designed and built. The chips are for molecular measurement, electronic AI computation (bioinformatics and path planning), and communication.
Mixed-Signal Analog |
Embedded Processors |
RFIC/Wireless/Wireline |
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Low-Current Readout NIST Nanotechnology Accelerator project. |
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Multicore DNA Sequencer Deep-learning-enchanced bioinformatics (some analog iniside). |
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10-Gbps On-Chip Scope Fast sampling of clock and random data as expected in high-speed wireline comms. 65-nm CMOS. |
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DNA-to-Digital Conversion Array (v3) DNA molecules in / electronic bits out. Lots of analog & digital in between. 130-nm CMOS. |
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DNA Sequencer Electronic bits in / DNA basecalls out (e.g., ...CCGTTAAATTGG...). RISC-V + AI bioinformatics hardware acceleration in between. Linux capable. 22-nm CMOS. |
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100-GHz Parametric Tripler 3X frequency without the need for an idler (a good thing if you want to keep the cost down). 130-nm CMOS. |
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DNA-to-Digital Conversion Array (v2) As above. But different timing scheme. 130-nm CMOS |
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DNA Sequencer (bonded) The above, just snug to its package frame. |
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35-GHz Parametric Mixer Upconversion using a nonlinear cap. No DC power required. Should work at much higher frequencies. 130-nm CMOS. |
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DNA-to-Digital Conversion Array As above. Different circuitry. The granddaddy of 'em all. 130-nm CMOS. |
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Mixed-Signal Nonlinear Path Planner Robot brain. Same idea as below. Has data converters for sensors (ADCs) & actuators (DACs). 90-nm CMOS. |
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25-GHz Parametric Mixer I don't think people tried these since WWII. The operating frequency was probably too low for lumped components in this case. 130-nm CMOS. |
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Low-Noise Current Detector Design for IEEE SSCS supported Chipathon project. |
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Nonlinear Path Planner Micro-bot planner. Implements a nonlinear Lyapunov-based controller processor. Optimized for a trimmed down ISA (MIPS-based) to save power, but still allows algorithm to scale. Intended to operate in subthreshold. 130-nm CMOS. |
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100-GHz Parametric Doubler Humble doubler utilizing a nonlinear capacitance. I was surprised these things didn't appear sooner, but GaAs-based multipliers have achieved great performance. This approach gives some hope for tighter integration with other system components. 130-nm CMOS. |
Adele Andrew was here. | ![]() |
4-GHz Active Scatterer Wireless signals that bounce off this thing get phase modulated. It makes otherwise stationary communicators look like they are moving. This prevents wireless communicators from sitting in deep fades for too long and thus enables correction codes to do their job. Measurement results implied 4X improvement in WLAN coverage area. 130-nm CMOS. |
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