User's Manual

WM_PRJ_Q2400_PTS_002 - 004
March 5, 2004
1.2.1 RF functionalities
The Radio Frequency (RF) functionalities comply with the Phase II E-GSM 900/DCS 1800 and GSM
850/PCS 1900 recommendation.
The frequencies are:
Q2406
• Rx (E-GSM 900): 925 to 960 MHz.
• Rx (DCS 1800): 1805 to 1880 MHz.
• Tx (E-GSM 900): 880 to 915 MHz.
• Tx (DCS 1800): 1710 to 1785 MHz.
Q2426
• Rx (GSM 850): 869 to 894 MHz.
• Rx (PCS 1900): 1930 to 1990 MHz.
• Tx (GSM 850): 824 to 849 MHz.
• Tx (PCS 1900): 1850 to 1910 MHz.
The Radio Frequency (RF) part is based on a specific dual band chip including :
• Low-IF Receiver,
• Dual RF (Radio Frequency) synthesizer,
• Digital IF to Baseband Converter,
• Offset PLL (Phase Lock Loop) transmitter,
• 1 (logarithmic) Power Amplifier (PA) controller,
• Dual band Power Amplifier (PA) module.
1.2.2 Baseband functionalities
The digital part of the WISMO Quik Q24x6 sub-series is based on a PHILIPS-VLSI chip (ONE C
GSM/GPRS Kernel).
This chipset is using a 0.25 µm mixed technology CMOS, which allows massive integration as well
as low current consumption.
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