Nokia RM-509 - Page 96

Loop test Input
terminal
Output
terminal
Path
gain [dB]
Input
voltage
[mVpp]
Output
voltage
[mVpp]
Output
DC level
[V]
Output
current
[mA]
External Mic to
External Earpiece
XMICP and
GND
HSEAR R
and GND
16.7 100 680 1.2 NA
HSEAR L
and GND
XMICN and
GND
HSEAR R
and GND
HSEAR L
and GND
External Mic to
Internal Earpiece
XMICP and
GND
EarP and
GND
10.9 100 353 1.2 NA
EarN and
GND
XMICN and
GND
EarP and
GND
EarN and
GND
External Mic to
Internal
handsfree
XMICP and
GND
B2102 pads 28.1 100 2540 0 112mA
(calc.)
XMICN and
GND
B2102 pads
RM-509; RM-510; RM-511
BB Troubleshooting and Manual Tuning Guide
Page 3 –48 COMPANY CONFIDENTIAL Issue 2
Copyright © 2009 Nokia. All rights reserved.