Telit Wireless Solutions GE864 External SIM Holder Implementation, Output Lines Characteristics

Models: GE864

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GE864 Hardware User Guide

1vv0300694 Rev.10 - 10/06/08

9.2.2 Output Lines Characteristics

“EAR_MT” Differential Line-out Drivers Path

Line Coupling

DC

 

 

Line Type

Bridged

 

 

Output load resistance

≥ 14 Ω

 

 

Internal output resistance

4 Ω (typical)

 

 

Signal bandwidth

150 – 4000 Hz @ -3 dB

 

 

Differential output voltage

328mVrms /16 Ω @ -12dBFS

 

 

SW volume level step

- 2 dB

 

 

Number of SW volume steps

10

 

 

“EAR_HF” Power Buffers Path

Line Coupling

DC

 

 

Line Type

Bridged

 

 

Output load resistance

≥ 14 Ω

 

 

Internal output resistance

4 Ω ( >1,7 Ω )

 

 

Signal bandwidth

150 – 4000 Hz @ -3 dB

 

 

Max Differential output voltage

1310 mVrms (typ, open circuit)

 

 

Max Single Ended output voltage

656 mVrms (typ, open circuit)

 

 

SW volume level step

- 2 dB

 

 

Number of SW volume steps

10

 

 

For more detailed information about audio please refer to the Audio Settings Application Note 80000NT10007a.

9.3 External SIM Holder Implementation

Please refer to the related User Guide (SIM Holder Design Guides, 80000NT10001a)

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Telit Wireless Solutions GE864 manual External SIM Holder Implementation, Output Lines Characteristics