User's Manual

GE/GC864-QUAD V2 and GE864-GPS Hardware User Guide
1vv0300915 Rev.2 – 2011-06-15
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights
Reserved. Page 70 of 97
“EAR_MT” Output Lines
line coupling AC single-ended
DC differential
0dBFS normalized gain 3,7 V
pp
differential
output load resistance ≥ 16 Ω @ -12dBFS
internal output
resistance
4Ω ( typical )
signal bandwidth 150 - 4000 Hz @ -3 dB
maximal full scale
differential output
voltage
3,7 V
pp
( typical )
R load =open circuit
differential output
voltage
925mV
pp
/ R load =16Ω
@ -12dBFS
volume increment 2 dB per step
volume steps 10
“EAR_HF” Output Lines
line coupling AC single-ended
DC differential
output load resistance ≥ 8 Ω
signal bandwidth 150 - 4000 Hz @ -3 dB
maximal output power
@ battery voltage ≥ 3,6V
0.35 W
rms
/8 Ω
volume increment 2 dB per step
volume steps 10