Temperature Characteristics and Analysis of Monolithic Microwave CMOS Distributed Oscillators With ${G}_{m}$-Varied Gain Cells and Folded Coplanar Interconnects
Bibliographic record
Abstract
The performance of a novel Monolithic Microwave CMOS Distributed Oscillator is reported over a temperature range of -25 <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">°</sup> C to 75 <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">°</sup> C for the first time, along with an analysis of its design characteristics and its temperature stability. The oscillator is stable over the entire temperature range of 100 <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">°</sup> C. The monolithic distributed oscillator (DO) is designed and fabricated in an industry standard 0.18 μ m CMOS process, using an n-FET-based traveling wave amplifier (TWA), coplanar waveguides (CPW), and a new coplanar interconnect structure called a 'folded CPW'. The measured loss of the “folded CPW” is 1.259 dB at 10 GHz. The distributed oscillator uses a novel architecture of <i xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">Gm</i> -varied gain cells and operates at a bias of 1.8 V. The measured oscillation frequency is 11.7 GHz with 6.1 dBm output power and the measured phase noise is -116.02 dBc/Hz at 1 MHz offset, which represent the best reported power and one of the best phase noise results for silicon DOs with temperature stability.
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How this classification was reachedexpand
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 | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, 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".