Wavecom WISMO Quik Q2426 manuals
WISMO Quik Q2426
Table of contents
- Document Information
- Overview
- Table Of Contents
- Table Of Contents
- Table Of Contents
- WM_PRJ_Q2400_PTS
- Reference documents
- General description
- RoHS compliance
- Baseband Design
- Design Requirements
- Figure 3: Burst simulation circuit
- PCB routing constraints
- Digital I/O and peripheral implementation
- Figure 4: Example of SPI Bus typical implementation
- Main serial link (UART1)
- Figure 6: Example of RS232 level shifter implementation
- SIM interface
- Figure 8 Example of 3V SIM Socket implementation
- Figure 9: Example of 1.8 V / 3 V SIM interface implementation
- Figure 10: Example of 3 V / 5 V SIM interface implementation
- Analog I/O implementation
- Audio interface
- Figure 14: MIC1 inputs (differential connection)
- Figure 15: MIC1 inputs (single-ended connection)
- Figure 16: Speaker outputs (differential mode)
- Figure 18: Example of Buzzer implementation
- Battery charging interface
- BOOT signal (optional)
- Reset signal (~RST)
- VCC output
- Figure 22: RTC Supplied by a capacitor
- Figure 24: RTC supplied by a battery cell with regulator
- Radio design
- Figure 26: Antenna connection
- Figure 27: Antenna cable preparation (drawing not to scale)
- Mechanical specifications
- PCB design
- Pads design
- EMC recommendations
- Firmware upgrade
- Backup procedure
- Embedded testability
- Figure 31: Download cable schematics (1/2)
- Figure 32: Download cable schematics (2/2)
- Part references and suppliers
- Speaker
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