A Zero-IF 60 GHz 65 nm CMOS Transceiver With Direct BPSK Modulation Demonstrating up to 6 Gb/s Data Rates Over a 2 m Wireless Link
Bibliographic record
Abstract
This paper presents a directly modulated, 60 GHz zero-IF transceiver architecture suitable for single-carrier, low-power, multi-gigabit wireless links in nanoscale CMOS technologies. This mm-wave front end architecture requires no upconversion of the baseband signals in the transmitter and no analog-to-digital conversion in the receiver, thus minimizing system complexity and power consumption. All circuit blocks are realized using sub-1.0 V topologies, that feature only a single high-frequency transistor between the supply and ground, and which are scalable to future 45 nm, 32 nm, and 22 nm CMOS nodes. The transceiver is fabricated in a 65 nm CMOS process with a digital back-end. It includes a receiver with 14.7 dB gain and 5.6 dB noise figure, a 60 GHz LO distribution tree, a 69 GHz static frequency divider, and a direct BPSK modulator operating over the 55-65 GHz band at data rates exceeding 6 Gb/s. With both the transmitter and the receiver turned on, the chip consumes 374 mW from 1.2 V which reduces to 232 mW for a 1.0 V supply. It occupies 1.28 times 0.81 mm2. The transceiver and its building blocks were characterized over temperature up to 85degC and for power supplies down to 1 V. A manufacturability study of 60 GHz radio circuits is presented with measurements of transistors, the low-noise amplifier, and the receiver on slow, typical, and fast process splits. The transceiver architecture and performance were validated in a 1-6 Gb/s 2-meter wireless transmit-receive link over the 55-64 GHz range.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.002 | 0.001 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".