2 output lines characteristics – Rainbow Electronics GM862-GPS User Manual
Page 56
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 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