TABLE II.
Reference | [31] | [2] | [32] | [4] | This Work |
---|---|---|---|---|---|
Total # of Channels | 64 | 100 | 128 | 32 | 32 |
Simultaneous Channels | 2 | 1 | 128 | 32 | 32 |
LNA Gain (dB) | 60 | 60 | 60 | 46 | 67.8/78 |
Power Source | Inductively powered | Inductively powered | Battery powered | Battery powered | Inductively powered |
Modulation | OOK | FSK | UWB | FSK | PWM/FSK/OOK |
Data Carrier Frequency | 174 ~ 216 MHz | 915 MHz | 4 GHz | 3.7 ~ 4.1 GHz | 433/915 MHz |
Power Carrier Frequency | 4 MHz/8 MHz | 2.765 MHZ | N/A | N/A | 13.56 MHz |
Data Acquisition | Spike data reduction | Spike data reduction | data reduction/raw | Raw data | Raw data |
Data rate | 2 Mbps | 157 kbps | 90 Mbps | 24 Mbps | 58 ~ 709 kSps |
Resolution (bits) | 8 | 10 | 9 | 12 | 8.1 |
Data link Energy per bit | N/A | 3185 pJ/b | 17.78 pJ/b | 1250 pJ/b | 607 pJ/b |
Power supply (V) | 1.8 | 3.3 | 3.3 | 5 | 3 |
Process | 0.5-µm CMOS | 0.6-µm BiCMOS | 0.35-µm CMOS | Discrete | 0.5-µm CMOS |
Power consumption (mW) | 14.4 | 8 | 6 | 142 | 5.85 |