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

Page 51

Advertising
background image




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

Advertising
This manual is related to the following products: