Manualshelf

User's Guide

ManualsBrandsTelit Communications ManualsElectronicsGSM 850, E-GSM 900, DCS 1800, PCS 1900, FDD IV, 2G/3.5G module
31323334353637383940
UC864-E-AUTO / AWS-AUTO Hardware User Guide
1vv0300795 Rev.11 – 2010/11/18
Reproduction forbidden without Telit Communications S.p.A’s. written authorization - All Rights Reserved. Page 33 of 78
• The placement of the power supply on the board must be done in a way to
guarantee that the high current return paths in the ground plane are not
overlapped to any noise sensitive circuitry as the microphone
amplifier/buffer or earphone amplifier.
• The power supply input cables must be kept separately from noise
sensitive lines such as microphone/earphone cables.