Evk2 audio lines characteristics, 2 evk2 audio lines characteristics – Telit Wireless Solutions GE863-QUAD User Manual
Page 51

GE863-QUAD
GE863-PY
1vv0300715 Rev. 1 - 19/09/06
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Right reserved
page 51 of 79
The ASC1 port is used for:
-
Continuous of debug messages of the PYTHON Script Interpreter (requires PYTHON version
modules;
For further detailed description refer to Technical Specification 30276st10285a_r3.
8.7.2 EVK2 Audio Lines Characteristics
Low Power Audio1 Outputs
(Ear_MT+” line)
• line
coupling:
AC
• line type:
single ended referred to GND
• load
impedance:
≥ 16 Ω
• signal bandwidth:
150 - 4000 Hz @ -3 dB
• max.output
655mV
rms
(open circuit)
• max. differential output voltage
164mV
rms
(typ) /16 Ω @ -12dBFS
Low Power Audio2 Outputs
(Ear_HF+” line)
• line
coupling:
AC
• line type:
single ended referred to GND
• load
impedance:
≥ 16 Ω
• signal bandwidth:
150 - 4000 Hz @ -3 dB
• max. single ended output voltage
655mV
rms
(open circuit)
High Power Audio1 / Audio2 Outputs
• line
coupling:
DC
• line
type:
balanced
• load
impedance:
≥ 8 Ω
• signal bandwidth:
150 - 4000 Hz @ -3 dB
• maximum power output:
500 mW @ 8 Ω
• THD+N
1%
@
350mW