Ac Characteristics - Nokia 9000i Service Manual

After Sales
Technical Documentation

AC Characteristics

Pin / Type Line Symbol
11 / SIM- MICN
FLEX MICP
12 / SIM-
FLEX
3 / SIMFLEX EARN
4 / SIMFLEX EARP
3 / B2B PHFMICN
4 / B2B PHFMICP
1 / PHF PHFEARP
2 / PHF PHFEARN
41 / B2B EXTMIC
42 / B2B EXTEAR
HPMIC
1kHz rms
MRP pressure
MIC pressure
MIC output
Codec gain
Level
HPEAR
1 kHz rms
Level
Codec gain
Codec output
Earpiece pressure
Original, 08/96
Table 6. Audio Signals
Minimum
Table 7. Handportable audios, microphone
+3 dBPa
–2 dBPa
5.0 mV
29 dB
–11 dBmO / 140
mVrms
Table 8. Handportable earpiece
–6.0 dBmO / 980
mVrms
–18 dB nominal
–8 dB max. volume
120 mVrms nominal
390 mVrms max.vo-
lume
+6 dBPa nominal
+16 dBPa max. volume
Typical / Maximum
Nominal
5 mV 19 mV
rms rms
124 mV 1.965 V
rms rms
5 mV 19mV
rms rms
1.0 V 2.8 V
rms rms
200 mV 530 mV
rms rms
160 mV 410 mV
rms rms
NOTES
5 cm from MIC
about 5 dB attenuation
mic sensitivity –64 dB (6.3 mV/Pa)
0 dB = 1V/uBar 1uBar=0.1Pa
Fixed 20 dB + programmable 0...22.5 dB
0 dBmO = 490 mV
NOTES
0 dBmO = 1965 mVrms
18 dB atten. Controllable 0...–30 dB.
Maximum volume +10 dB
Earpiece impedance 32W + 20W series resis-
tance in CMT.
RAE/RAK–1N
Baseband
Unit / Notes
Differential
Differential,
R = 32W
L
Differential
Differential
= 8 W
R
L
minimum
DC–level 2.0V.
minimum
DC–level 2.0V.
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