
The gain values presented in the table apply for a differential output vs. single-ended/differential input.
Loop test
Input
terminal
Output
terminal
Path
gain
[dB]
(fixed)
Input
voltage
[mVp-p]
Differe
ntial
output
voltage
[mVp-
p]
Outp
ut DC
level
[V]
Output
current
[mA]
External Mic to
External Earpiece
XMICP and
GND
HSEAR R
and GND
-2.9
1000
720
1.2
NA
HSEAR L and
GND
External Mic to
Internal Earpiece
XMICP and
GND
EarP and
GND
-4.0
750
490
1.2
NA
EarN and
GND
External Mic to
Internal handsfree
XMICP and
GND
E2101 pad
8.5
920
2520
0
25mA
(calc.)
E2102 pad
Internal Mic to
External Earpiece
B2100 (OUT/
GND)
HSEAR R
and GND
22.7
100
1360
1.2
NA
HSEAR L and
GND
Measurement data
Figure 37 Single-ended output waveform of the Ext_in_HP_out measurement when earpiece is connected.
RM-217; RM-222
BB Troubleshooting and Manual Tuning Guide
Nokia Customer Care
Issue 1
COMPANY CONFIDENTIAL
Page 6 –27
Copyright © 2007 Nokia. All rights reserved.
Содержание 6300 - Cell Phone 7.8 MB
Страница 187: ...8 System module Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page 8 1 Copyright 2007 Nokia All rights reserved ...
Страница 207: ...9 Schematics Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page 9 1 Copyright 2007 Nokia All rights reserved ...
Страница 221: ...Glossary Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page Glossary 1 Copyright 2007 Nokia All rights reserved ...
Страница 227: ...www s manuals com ...