Specifications
Table Of Contents
- Contents
- Tables
- Figures
- 1 Introduction
- 2 Interface Characteristics
- 2.1 Application Interface
- 2.1.1 Pad Assignment
- 2.1.2 Signal Properties
- 2.1.3 USB Interface
- 2.1.4 Serial Interface ASC0
- 2.1.5 Serial Interface ASC1
- 2.1.6 Inter-Integrated Circuit Interface
- 2.1.7 UICC/SIM/USIM Interface
- 2.1.8 Enhanced ESD Protection for SIM Interfaces
- 2.1.9 Digital Audio Interface
- 2.1.10 Analog-to-Digital Converter (ADC)
- 2.1.11 RTC Backup
- 2.1.12 GPIO Interface
- 2.1.13 Control Signals
- 2.1.14 JTAG Interface
- 2.1.15 eMMC Interface
- 2.2 GSM/UMTS/LTE Antenna Interface
- 2.3 GNSS Antenna Interface
- 2.4 Sample Application
- 2.1 Application Interface
- 3 GNSS Interface
- 4 Operating Characteristics
- 5 Mechanical Dimensions and Mounting
- 6 Regulatory and Type Approval Information
- 7 Document Information
- 8 Appendix
Cinterion
®
ALAS5V Hardware Interface Description
2.4 Sample Application
67
ALAS5V_HID_v00.030a 2019-03-20
Confidential / Preliminary
Page 64 of 124
Table 18: Antenna detection reference circuit - parts list
Reference Part Value Tolerance Conditions Size
R1,2 Resistor 22R
R3,4 Resistor 10k >
125mW
R5,6 Resistor 140k 1%
R7,8 Resistor 100k 1%
R9,10 Resistor 100k
R11,12 Resistor 10k >
125mW
R13,14 Resistor 4k4
(e.g., 2x2k2 or 4x1k1)
1% >
300mW
C1,2 Capacitor 22p 50V <
0402
C3,4 Capacitor 100n 50V
C5,6 Capacitor 100n 10V
V1,2 Schottky diode RB520-40 40V
V3,4,6,7 Transistor BC857
V5 Transistor BC847
L1,2 Inductor 39nH Wire wound
High Q
0402