Table 2 Comparison of the performances of several reported SAW gyroscopes with our designed device
From: A toroidal SAW gyroscope with focused IDTs for sensitivity enhancement
Reference | Working Mode | Die area (mm2) | Frequency (MHz) | Scale factor | Normalized scale factor | Bias instability |
|---|---|---|---|---|---|---|
Progressive Wave Mode | 1.4 × 0.6 | 80.2 | 52.35 Hz/deg/s | 0.6527 × 10−6/deg/s | / | |
Progressive Wave Mode | 9 × 9 | 98.6 | 0.431 Hz/deg/s | 0.437 × 10−8/deg/s | / | |
Progressive Wave Mode | / | 30 | 43 Hz/deg/s | 1.4333 × 10−6/deg/s | / | |
Standing Wave Mode | 10 × 10 | 74.2 | 0.0035 µV/deg/s | 1.4 × 10−9/deg/s | / | |
Standing Wave Mode | 20 × 20 | 115.5 | 0.025 µV/deg/s | 0.5 × 10−7/deg/s | / | |
Standing Wave Mode | 7.8 × 7.8 | 116.31 | 0.105 µV/deg/s | / | 5.75°/s | |
This work | Standing Wave Mode | 27.5 × 20 | 38.68 | 1.51 µV/deg/s | 6.48 × 10−5/deg/s | 0.77°/s |
