Research Article
Information Entropy- and Average-Based High-Resolution Digital Storage Oscilloscope
Table 1
Ideal values of improved vertical resolution and bandwidth based on average-based decimation under oversampling.
| Sampling rate | Oversampling factor | Total resolution | −3 dB bandwidth |
| 1 GSa/s | 1 | 8.0 bits | 440 MHz | 500 MSa/s | 2 | 8.5 bits | 220 MHz | 250 MSa/s | 4 | 9.0 bits | 110 MHz | 100 MSa/s | 10 | 9.7 bits | 44 MHz | 50 MSa/s | 20 | 10.2 bits | 22 MHz | 25 MSa/s | 40 | 10.7 bits | 11 MHz | 10 MSa/s | 100 | 11.3 bits | 4.4 MHz | 1 MSa/s | 1000 | 13.0 bits | 440 kHz | 100 kSa/s | 10000 | 14.6 bits | 44 kHz |
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