Wavecom WISMO Quik Q2501, Customer Design Manuallines

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WM_PRJ_Q2501_PTS_002 - 001
March 2004
confidential ©
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Figure 25: Example of buzzer implementation ................................................ 43
Figure 26: LED driven by the BUZ output ....................................................... 43
Figure 27: ~INTR driving example .................................................................. 45
Figure 28: Example of ADC application........................................................... 46
Figure 29: GPS activation function implementation ........................................ 47
Figure 30: Example of RS232 level shifter implementation for GPS UART2 .... 48
Figure 31: Example of RS232 level shifter implementation for GPS UART0 .... 49
Figure 32: SPI interface implementation for the dead reckoning function ....... 50
Figure 33: Block diagram of the GPS antenna connection .............................. 55
Figure 34: GPS reception jammed by GSM/GPRS transmission ...................... 57
Figure 35: Example of Q2501 module and GPS antenna integrated application
...................................................................................................................... 58
Figure 36 :Example of power supply routing .................................................. 60
Figure 37: Burst simulation circuit.................................................................. 61
Figure 38: AppCad Screenshot for MicroStrip design ..................................... 63
Figure 39: Example of PCB routing for pigtail connection ............................... 66
Figure 40: Pads design................................................................................... 67
Figure 41: GSM UART1 serial link debug access ............................................ 72
Figure 42: Module connection for RF measurements...................................... 74