Low-power integrated CMOS RF transceiver circuits for short-range applications
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Bibliographic record
Abstract
This paper discusses our efforts in designing different low-power RF transceiver blocks, starting with the LNA and power amplifier (PA). The paper discusses the effect of four different input matching methodologies on the gain of narrow-band LNAs. Measurement results of two LNAs fabricated in a 0.18 μm CMOS technology are also presented. Two ultra-wideband (UWB) LNA designs that aim for low-voltage and low-power operation are also discussed in this paper. The UWB LNAs consume a power of 5.8 mW from a 0.8 V supply voltage, while achieving a maximum gain of 12.5 dB and an input matching better than −10 dB from 2–10 GHz with a NF of 3.5 dB. A fully integrated, 2.4 GHz class-E PA, with a class-F driver stage is also discussed in this work, demonstrating the feasibility of using CMOS class-E PAs for low-transmit power applications. The circuit was fabricated in a standard 0.18 μm CMOS technology with a maximum drain efficiency of 53 %. When operating from a 1.2 V supply, the PA delivers an output power of 14.5 mW with a power-added efficiency (PAE) of 51 %. The supply voltage can go down to 0.6 V with an output power of 3.5 mW and a PAE of 43 %. Finally, the paper also discusses a simple transmitter and receiver front-end, in addition to a single-block simplified, lowpower PLL transmitter design.
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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 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 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