BS EN 62047-19:2013
$167.15
Semiconductor devices. Micro-electromechanical devices – Electronic compasses
| Published By | Publication Date | Number of Pages |
| BSI | 2013 | 34 |
IEC 62047-19:2013 defines terms, definitions, essential ratings and characteristics, and measuring methods of electronic compasses. This standard applies to electronic compasses composed of magnetic sensors and acceleration sensors, or magnetic sensors alone. This standard applies to electronic compasses for mobile electronic equipment.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 5 | English CONTENTS |
| 7 | 1 Scope 2 Normative references 3 Terms and definitions |
| 8 | 4 Essential ratings and characteristics 4.1 Composition of e-compasses 4.1.1 General |
| 9 | 4.1.2 Magnetic sensor section 4.1.3 Acceleration sensor section 4.1.4 Signal processing section 4.1.5 Peripheral hardware section 4.1.6 Peripheral software section Figures Figure 1 – Composition of e-compasses |
| 10 | 4.1.7 DUT 4.2 Ratings (Limiting values) 4.3 Recommended operating conditions 4.4 Electric characteristics 4.4.1 General 4.4.2 Characteristics of sensor sections |
| 11 | 4.4.3 DC characteristics Table 1 – Characteristics of sensor sections Table 2 – DC characteristics of e-compasses |
| 12 | 5 Measuring methods 5.1 Sensitivity of the magnetic sensor section 5.1.1 Purpose 5.1.2 Circuit diagram 5.1.3 Principle of measurement Figure 2 – Circuit to measure sensitivity |
| 13 | 5.1.4 Precaution to be observed 5.1.5 Measurement procedure 5.1.6 Specified conditions |
| 14 | 5.2 Linearity of the magnetic sensor section 5.2.1 Purpose 5.2.2 Measuring circuit 5.2.3 Principle of measurement 5.2.4 Precaution to be observed Figure 3 – Measuring method of linearity |
| 15 | 5.2.5 Measurement procedure 5.2.6 Specified conditions 5.3 Output of the magnetic sensor section in a zero magnetic field environment 5.3.1 Purpose 5.3.2 Measuring circuit |
| 16 | Figure 5 – Measuring circuit using a magnetic shield room or a magnetic shield box |
| 17 | 5.3.3 Principle of measurement 5.3.4 Precaution to be observed 5.3.5 Measurement procedure 5.3.6 Specified conditions 5.4 Cross axis sensitivity of the magnetic sensor section 5.4.1 Purpose 5.4.2 Measuring circuit |
| 18 | 5.4.3 Measuring method 1 |
| 19 | 5.4.4 Measuring method 2 |
| 20 | 5.4.5 Specified conditions 5.5 Sensitivity and offset of the acceleration sensor section 5.5.1 Purpose |
| 21 | 5.5.2 Measuring circuit 5.5.3 Principle of measurement Figure 6 – Direction of DUT |
| 22 | 5.5.4 Precaution of measurement 5.5.5 Measurement procedure 5.5.6 Specified conditions 5.6 Frequency bandwidth of the magnetic sensor section (analogue output) 5.6.1 Purpose 5.6.2 Measuring circuit |
| 23 | 5.6.3 Principle of measurement Figure 7 – Block diagram of frequency measurement |
| 24 | 5.6.4 Measurement procedure 5.6.5 Specified conditions 5.7 Current consumption 5.7.1 Purpose 5.7.2 Measuring circuit |
| 25 | 5.7.3 Principle of measurement 5.7.4 Precaution for measurement 5.7.5 Measurement procedure 5.7.6 Specified conditions Figure 8 – Current consumption measuring circuit |
| 26 | Annex A (informative) Considerations on essential ratings and characteristics |
| 27 | Annex B (informative) Terminal coordinate system of e-compasses Figure B.1 – Mobile terminal coordinate system of magnetic sensors |
| 28 | Figure B.2 – Terminal coordinate system of acceleration sensors |
| 29 | Annex C (informative) Descriptions of the pitch angle, roll angle, and yaw angle with drawings |
| 30 | Figure C.1 – Descriptions of the pitch angle, roll angle, and yaw angle with drawings |
| 31 | Bibliography |
