User's Guide

HE863 Family Hardware User Guide
1vv0300891 Rev.5
- 2011-03-18
Reproduction forbidden without Telit Communications S.p.A’s. written authorization - All Rights
Reserved. Page 69 of 89
DANGER:
Using HS/MT, the serial capacitors below 100nF must be
connected in the output lines.
The handsfree mode only supports single ended type and
reserved HF- Ball must be opened.
11.3.1. Output Lines Characteristics (TBD)
Line coupling
differential
single-ended
DC
AC
Output load impedance
differential
16 Ω
Differential output impedance
Signal bandwidth 150 - 4000 Hz @ -3 dB
Differential output voltage
(typ.)
1060 mV
rms
/16 Ω
Max Output Power
@ 16 Ω
Max load capacitance
Table 3. “Ear_MT” Output (EAR_EPP1 differential amplifier)
Line coupling
differential
single-ended
Output load impedance
single-ended
16 Ω (≤ 26)
S.E. output impedance
≤ 0,5 Ω @ 1.02kHz
signal bandwidth 150 - 4000 Hz @ -3 dB
Differential output voltage
(typ.)
833 mV
rms
/16 Ω
Max Output Power
@ 16Ω
Max load capacitance
Table 4. “Ear_HF” Output (EAR_EPPA2 amplifiers)