A Low-Noise Self-Oscillating Mixer Using a Balanced VCO Load
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Bibliographic record
Abstract
A low-noise self-oscillating mixer (SOM) operating from 7.8 to 8.8 GHz is described in this paper. Three different components, the oscillator, the mixer core, and the LNA transconductor stage are assembled in a stacked configuration with full dc current-reuse from the VCO to the mixer to the LNA. The LC-tank oscillator also functions as a double-balanced IF load to the low-noise mixer core. A theoretical expression is given for the conversion gain of the SOM taking into account the time-varying nature of the IF load impedance. Measurements show that the SOM has a minimum DSB noise figure of 4.39 dB and a conversion gain of 11.6 dB. Its input P <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">1 dB</sub> is - 13.6 dBm and its output P <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">1 dB</sub> is - 2.97 dBm, while its IIP3 and OIP3 are - 8.3 dBm and + 3.3 dBm respectively. The chip consumes 12 mW of dc power and it occupies an area of 0.47 mm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> without pads.
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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 | 0.000 | 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) | 0.000 | 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