Abstract
This paper presents a reconfigurable receiver with frequency-independent blocker suppression in a 40nm CMOS technology. In linear mode, the receiver achieves an in-band B1dBof -25.7 dBm at 1MHz offset with 34 dB gain setting. In nonlinear mode, blocker suppression is achieved by dynamically adapting a nonlinear transfer function according to the blocker amplitude. In the presence of a 0 to 9.6 dBm blocker, the receiver provides more than 38 dB of frequency-independent suppression, while consuming 8.7-15.7 mW in the RF stage. The maximum attainable blocker level exceeds PDC-5dB. The measured in-band B1dBis from -2.8 to 8 dBm at 1MHz offset for different settings. The measured blocker NF is 15.47 dB with a 1.95 dBm blocker.
| Original language | English |
|---|---|
| Title of host publication | ESSCIRC 2018 - IEEE 44th European Solid State Circuits Conference (ESSCIRC) |
| Place of Publication | Piscataway |
| Publisher | Institute of Electrical and Electronics Engineers |
| Pages | 74-77 |
| Number of pages | 4 |
| ISBN (Electronic) | 978-1-5386-5404-0 |
| DOIs | |
| Publication status | Published - 16 Oct 2018 |
| Event | 44th European Solid State Circuits Conference (ESSCIRC 2018) - Dresden, Germany Duration: 3 Sept 2018 → 6 Sept 2018 Conference number: 44 |
Conference
| Conference | 44th European Solid State Circuits Conference (ESSCIRC 2018) |
|---|---|
| Abbreviated title | ESSCIRC 2018 |
| Country/Territory | Germany |
| City | Dresden |
| Period | 3/09/18 → 6/09/18 |
Keywords
- CMOS integrated circuits
- radio receivers
- radiofrequency integrated circuits
- transfer functions
- reconfigurable receiver
- linear mode
- nonlinear mode
- nonlinear transfer function
- blocker amplitude
- maximum attainable blocker level
- measured blocker NF
- CMOS technology
- frequency-independent blocker suppression
- noise figure 15.47 dB
- power 8.7 mW to 15.7 mW
- size 40.0 nm
- gain 34.0 dB
- B
- B1dB
- NF
- Radio frequency
- Receivers
- Gain
- Interference suppression
- Noise figure
- Transfer functions
- Full duplex
- in-band linearity
- nonlinear interference suppression
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