Telit Wireless Solutions GE863-QUAD Manual Do Utilizador

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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