An integrated inductorless quadrature voltage controlled oscillator design in a 47GHz SiGe process
Bibliographic record
Abstract
An RF inductorless quadrature voltage controlled oscillator (QVCO) with more than 6 GHz of tuning range is described. Significant area savings are possible with this architecture compared to the traditional LC-tank QVCOs, and the circuit can be operated at frequencies near the f/sub T/ of the transistors utilized. The proposed high frequency QVCO design can be fabricated in a lower cost technology since it does not require monolithic inductors or high-Q varactors. A new method of tuning the QVCO stabilizes the output power over the tuning range. At 13 GHz phase noises of -79.81 dBc/Hz and -84.27 dBc/Hz at offsets of 600 kHz and 1 MHz were simulated. The integrated circuit was designed to operate from a 3.3 V supply, and was fabricated in a 47 GHz silicon germanium bipolar process.
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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 | 0.002 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.002 | 0.000 |
| Bibliometrics | 0.001 | 0.002 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.001 | 0.002 |
| 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".