User Guide

NPM-6/6X
System Module and User Interface CCS Technical Documentation
Page 24 Nokia Corporation. Issue 2 06/03
Internal microphone
Internal speaker
Headset connector
MIC3P FMAudio 228mV
pp
326mV
pp
460mV
pp
50dB S/N
2% Harmonic
distortion
Signal Min. Nom Max Condition Note
MICP 200mV
pp
AC 2.2kΩ to
MIC1B
2.0 V 2.1 V 2.25 V DC
MICN 2.0V 2.1V 2.25V DC
Signal Min. Nom Max Condition Note
EARP 0.75V 0.8V 2.0 V
pp
0.85V
AC
DC
Differential output
(V
diff
= 4.0 V
pp
)
EARN 0.75V 0.8V 2.0 V
pp
0.85V
AC
DC
Pin Signal Min. Nom Max Condition Note
5XMICP 1V
pp
G = 0dB 1kΩ to MIC2B
100 mV
pp
G = 20dB
2.0 V 2.1 V 2.25 V DC
3XMICN 1V
pp
G = 0 dB 1kΩ to GND
100 mV
pp
G = 20dB
4 XEARN 0.75V 0.8V 0.85V DC
1V
pp
AC
7 XEARP 0.75V 0.8V 0.85V DC
1V
pp
AC
5 HookInt 0V 2.86V
(VFLASH1)
Connected to
UEM AD-con-
verter
6 HeadInt 0V 2.86V
(VANA)
Accessory detec-
tion