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Small-Signal and Noise Modeling of High-Electron-Mobility Transistors for Use in Quantum Technologies.
Felix Heinz
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Omschrijving
The processing of weak electromagnetic signals at radio frequencies demands for extremely low noise amplifiers (LNAs). InGaAs high-electron-mobility transistors (HEMTs) provide state-of-the-art noise performance. Still, they need to be cryogenically cooled to fulfill the noise requirements of applications such as radio-astronomy or quantum bit read-out. Future cryogenic systems will need to increase the number of LNAs to enhance their performance, which demands for a reduction of the LNA size, power consumption, and noise.
This work describes the characterization, modeling, and optimization of HEMTs for cryogenic ultra-low noise amplification. A novel scalable and temperature dependent HEMT model is proposed, which allows for circuit and technology optimizations. Several HEMT technologies are investigated and an optimized version for cryogenic ultra-low-noise amplification is provided. Combining the accurate model data with the optimized technology allows to design LNAs optimized for cryogenic use. As a result, a monolithic 4 - 8 GHz LNA with low footprint, low power consumption, and a noise temperature of 3.6 K is demonstrated, which sets the state of the art among monolithic LNAs.
This work describes the characterization, modeling, and optimization of HEMTs for cryogenic ultra-low noise amplification. A novel scalable and temperature dependent HEMT model is proposed, which allows for circuit and technology optimizations. Several HEMT technologies are investigated and an optimized version for cryogenic ultra-low-noise amplification is provided. Combining the accurate model data with the optimized technology allows to design LNAs optimized for cryogenic use. As a result, a monolithic 4 - 8 GHz LNA with low footprint, low power consumption, and a noise temperature of 3.6 K is demonstrated, which sets the state of the art among monolithic LNAs.
Specificaties
Betrokkenen
- Auteur(s):
- Uitgeverij:
Inhoud
- Aantal bladzijden:
- 198
- Taal:
- Engels
- Reeks:
- Reeksnummer:
- nr. 57
Eigenschappen
- Productcode (EAN):
- 9783839618387
- Uitvoering:
- Paperback
- Afmetingen:
- 164 mm x 11 mm
- Gewicht:
- 297 g
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