2 output lines characteristics – Telit Wireless Solutions GM862-GPS User Manual
Page 40
GM862-GPS Hardware User Guide
1vv0300728 Rev. 0 - 27/04/06
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page 40 of 55
6.2 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
• max. differential output voltage
1310 mV
rms
(typ, open circuit)
• 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
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