Altec AL7020S User Manual

AL7020S, AL7024S Designer’s Guide Doc. No. DG_7024E Altec Electronic AG Seite 1 / 32 GSM Socket Modem AL7020S, AL7020S-3V Ser

AL7020S, AL7024S Designer’s Guide Doc. No. DG_7024E Altec Electronic AG Seite 10 / 32 Table 3-2. Signal Descriptions Label I/O Type Signal

AL7020S, AL7024S Designer’s Guide Doc. No. DG_7024E Altec Electronic AG Seite 11 / 32 Table 3-3. Signal Descriptions (Cont'd) Label I

AL7020S, AL7024S Designer’s Guide Doc. No. DG_7024E Altec Electronic AG Seite 12 / 32 Table 3-3. Signal Descriptions (Cont'd) Label

AL7020S, AL7024S Designer’s Guide Doc. No. DG_7024E Altec Electronic AG Seite 13 / 32 Table 3-5. Digital Electrical Characteristics Parameter

AL7020S, AL7024S Designer’s Guide Doc. No. DG_7024E Altec Electronic AG Seite 14 / 32 Table 3-6. Absolute Maximum Ratings Parameter

AL7020S, AL7024S Designer’s Guide Doc. No. DG_7024E Altec Electronic AG Seite 15 / 32 3.4 Antenna Interface (RF) The AL7020S has two models, one

AL7020S, AL7024S Designer’s Guide Doc. No. DG_7024E Altec Electronic AG Seite 16 / 32 3.4.2 Antenna Performance Recommendations Table 3.7 - Ant

AL7020S, AL7024S Designer’s Guide Doc. No. DG_7024E Altec Electronic AG Seite 17 / 32 3.5 Internal SIM Card Interface The AL7020S module has a

AL7020S, AL7024S Designer’s Guide Doc. No. DG_7024E Altec Electronic AG Seite 18 / 32 3.6 SIM Card Mechanical Drawings

AL7020S, AL7024S Designer’s Guide Doc. No. DG_7024E Altec Electronic AG Seite 19 / 32 3.7 External SIM Card Interface (-ES Option) 4 signals exi

AL7020S, AL7024S Designer’s Guide Doc. No. DG_7024E Altec Electronic AG Seite 2 / 32 Information provided by Altec

AL7020S, AL7024S Designer’s Guide Doc. No. DG_7024E Altec Electronic AG Seite 20 / 32 3.7.3 SIM Card Reader Integration: SIM interface controls

AL7020S, AL7024S Designer’s Guide Doc. No. DG_7024E Altec Electronic AG Seite 21 / 32 3.8 Audio - Interface 3.8.1 Speaker-Circuit Audio output

AL7020S, AL7024S Designer’s Guide Doc. No. DG_7024E Altec Electronic AG Seite 22 / 32 3.8.2 Microphone circuit The AL7020S has an analog input,

AL7020S, AL7024S Designer’s Guide Doc. No. DG_7024E Altec Electronic AG Seite 23 / 32 3.9 Reset Signal (ON/OFF Signal) After power is applied t

AL7020S, AL7024S Designer’s Guide Doc. No. DG_7024E Altec Electronic AG Seite 24 / 32 44.. CCOONNNNEECCTTOORRSS AANNDD PPEERRIIPPHHEERRAALL RR

AL7020S, AL7024S Designer’s Guide Doc. No. DG_7024E Altec Electronic AG Seite 25 / 32 55.. DDEESSIIGGNN GGUUIIDDEELLIINNEESS Good engineerin

AL7020S, AL7024S Designer’s Guide Doc. No. DG_7024E Altec Electronic AG Seite 26 / 32 6. Locate cables and connectors so as to avoid coupling fr

AL7020S, AL7024S Designer’s Guide Doc. No. DG_7024E Altec Electronic AG Seite 27 / 32 5.1.3 Power Supply 3.3V (3V Models) A power supply with 3

AL7020S, AL7024S Designer’s Guide Doc. No. DG_7024E Altec Electronic AG Seite 28 / 32 5.1.5 RF Antenna Antenna sub-system and integration in t

AL7020S, AL7024S Designer’s Guide Doc. No. DG_7024E Altec Electronic AG Seite 29 / 32 66.. MMOODDUULLEE DDIIMMEENNSSIIOONNSS

AL7020S, AL7024S Designer’s Guide Doc. No. DG_7024E Altec Electronic AG Seite 3 / 32 Table of Contents 1. INTRODUCTION ...

AL7020S, AL7024S Designer’s Guide Doc. No. DG_7024E Altec Electronic AG Seite 30 / 32 77.. RREEGGUULLAATTOORRYY AAPPPPRROOVVAALLSS The GSM S

AL7020S, AL7024S Designer’s Guide Doc. No. DG_7024E Altec Electronic AG Seite 31 / 32 7.2 Safety Precautions Your GSM terminal is based on the

AL7020S, AL7024S Designer’s Guide Doc. No. DG_7024E Altec Electronic AG Seite 32 / 32 88.. AAPPPPEENNDDIIXX AA 8.1 REFERENCE DOCUMENTS G

AL7020S, AL7024S Designer’s Guide Doc. No. DG_7024E Altec Electronic AG Seite 4 / 32 List of Tables & Figures Table 3-1. Serial TTL

AL7020S, AL7024S Designer’s Guide Doc. No. DG_7024E Altec Electronic AG Seite 5 / 32 11.. IINNTTRROODDUUCCTTIIOONN 1.1 Models Description Mod

AL7020S, AL7024S Designer’s Guide Doc. No. DG_7024E Altec Electronic AG Seite 6 / 32 1.3 Product Specifications Product Features Operating syst

AL7020S, AL7024S Designer’s Guide Doc. No. DG_7024E Altec Electronic AG Seite 7 / 32 22.. TTEECCHHNNIICCAALL OOVVEERRVVIIEEWW 2.1 Block Diagr

AL7020S, AL7024S Designer’s Guide Doc. No. DG_7024E Altec Electronic AG Seite 8 / 32 33.. HHAARRDDWWAARREE IINNTTEERRFFAACCEE 3.1 Interface S

AL7020S, AL7024S Designer’s Guide Doc. No. DG_7024E Altec Electronic AG Seite 9 / 32 Figure 3-1. SERIAL PINOUT Tab