Q2686H WAVECOM, Q2686H Datasheet - Page 79
Q2686H
Manufacturer Part Number
Q2686H
Description
MODULE, GSM/GPRS, QUAD BAND
Manufacturer
WAVECOM
Datasheet
1.Q2686H.pdf
(89 pages)
Specifications of Q2686H
Mcu Supported Families
ARM9
Kit Features
GSM/GPRS Class 10 Quad Band Version, 32MB Of Bursted Flash Memory, 8MB Of SRAM
Tool / Board Applications
Wireless Communication
Development Tool Type
CPU
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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6.1.2 Power Supply
The power supply is one of the key issues in the design of a GSM terminal.
A weak power supply design could, in particular, affect:
WARNING:
Careful attention should be paid to:
•
•
This document is the sole and exclusive property of WAVECOM. Not to be distributed or divulged without
prior written agreement.
WM_PRJ_Q2686_PTS_001-007
•
•
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The quality of the power supply: low ripple, PFM or PSM systems should
be avoided (PWM converter preferred).
Capacity to deliver high current peaks in a short time (pulsed radio
emission).
EMC performance
The emission spectrum
The phase error and frequency error
confidential ©
Q2686 Wireless CPU
Design Guidelines
March 6, 2007
Page: 78 / 87
®
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