Owner's manual

GM862-GPS Hardware User Guide
1vv0300728 Rev. 8 - 20/09/07
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 56 of 73
9.2 Output Lines Characteristics
“Ear_MT” Differential Line-out Drivers Path
line coupling: DC
line type: bridged
output load resistance : 14
internal output resistance: 4 (typical)
signal bandwidth: 150 - 4000 Hz @ -3 dB
max. differential output voltage 1310 mV
rms
(typ, open circuit)
differential output voltage 328mVrms /16 @ -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
internal output resistance: 4 ( >1,7 )
signal bandwidth: 150 - 4000 Hz @ -3 dB
max. differential output voltage 1310 mV
rms
(typ, open circuit)
max. single ended output voltage 656 mV
rms
(typ, open circuit)
SW volume level step - 2 dB
number of SW volume steps 10