Siemens HC15 Specifications Page 14
- Page / 67
- Table of contents
- BOOKMARKS
- Siemens Cellular Engine 1
- Contents 3
- 0 Document History 7
- 1 Introduction 8
- Table 1: Directives 11
- 1.3.3 SELV Requirements 12
- 1.3.4 Safety Precautions 13
- 2 Product Concept 14
- 2.2 HC15 System Overview 17
- system overview 17
- 2.3 Circuit Concept 18
- 3 Application Interface 19
- 3.1 Operating Modes 20
- 3.2 Power Supply 21
- 3.2.1 Minimizing Power Losses 21
- 3.3.1 Turn On HC15 23
- 3.3.4 Automatic Shutdown 25
- 3.4 Power Saving 27
- 3.5 USB Interface 27
- 3.6 UICC/SIM Interface 28
- 3.7 Analog Audio Interface 30
- 3.8 PWR_IND Signal 31
- 4 Antenna Interface 32
- 4.2 Antenna Pad 33
- 4.3 Antenna Connector 33
- 5.1 Absolute Maximum Ratings 38
- 5.2 Operating Temperatures 39
- 5.3 Storage Conditions 40
- Table 16: Signal description 43
- ≈ 2A, during Tx burst (GSM) 43
- ~~~~~~~~~~~~~ 44
- 5.6 Power Supply Ratings 47
- With an impedance of Z 48
- 16mV 582mV 49
- 5.8 Air Interface 50
- 5.9 Electrostatic Discharge 51
- 6 Mechanics 52
- Confidential / Released 53
- 7 Sample Application 57
- 8 Reference Approval 59
- 9 Appendix 60
- 9.3 Mounting Advice Sheet 66
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