User's Manual
GL865-DUAL/QUAD V3 Hardware User Guide
1vv0301018 Rev.7 – 2013-10-30
Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights
Reserved. Page 46 of 78
Mod. 0805 2011-07 Rev.2
L-C filtering for LOW impedance load.
R-C filtering for HIGH impedance load.
EAR+
EAR-
TELIT MODULE
-
+
OUTPUT
DAC
GND
EAR+
EAR-
TELIT MODULE
-
+
OUTPUT
DAC
GND
HiZ CIRCUITRY