Telit Wireless Solutions GC864-QUAD V2, Hardware User'S Manual

Page: 65 / 94

GE/GC864-QUAD V2 and GE864-GPS Hardware User Guide
1vv0300915 Rev.5 – 2011-10-03
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved. Page 65 of 94
“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 4 Ω (
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
=16 Ω
@ -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