Abstract
Analog FIR filtering is proposed to improve the performance of a single stage g m -C channel selection filter for ultra low power Internet-of-Things receivers. The transconductor is implemented as a digital-to-analog converter; allowing a varying transconductance in time, which results in a very sharp FIR filter. The filter is manufactured in 22-nm FDSOI and has a core area of 0.09 mm 2 . It consumes 92 µW from a 700-mV supply and achieves f −60 dB/f −3 dB = 3.8. The filter has 31.5 dB gain, out-of-band OIP3 of 28 dBm and output referred 1-dB compression point of 3.7 dBm. The filter bandwidth is tunable from 0.06 to 3.4 MHz.
| Original language | English |
|---|---|
| Title of host publication | IEEE 45th European Solid State Circuits Conference, ESSCIRC 2019 |
| Place of Publication | Piscataway, NJ |
| Publisher | IEEE Solid-State Circuits Society |
| Number of pages | 4 |
| ISBN (Electronic) | 978-1-7281-1550-4, 978-1-7281-1549-8 |
| ISBN (Print) | 978-1-7281-1551-1 |
| DOIs | |
| Publication status | Published - 25 Sep 2019 |
Publication series
| Name | IEEE European Solid State Circuits Conference (ESSCIRC) |
|---|---|
| Publisher | IEEE |
| Volume | 2019 |
| ISSN (Print) | 1930-8833 |
| ISSN (Electronic) | 2643-1319 |
Keywords
- Analog filters
- analog FIR (AFIR) filters
- FDSOI
- gmDAC
- Internet of Things (IoT)
- Low power
- low-pass filter (LPF)
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Thijssen, B. J., Klumperink, E. A. M., Quinlan, P., & Nauta, B. (2019). A 0.06–3.4-MHz 92-μW Analog FIR Channel Selection Filter With Very Sharp Transition Band for IoT Receivers. In IEEE 45th European Solid State Circuits Conference, ESSCIRC 2019 (IEEE European Solid State Circuits Conference (ESSCIRC); Vol. 2019). Piscataway, NJ: IEEE Solid-State Circuits Society. https://doi.org/10.1109/ESSCIRC.2019.8902851