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
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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 mm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> . The transceiver and its building blocks were characterized over temperature up to 85<sup>deg</sup> C 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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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.002 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
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 it