Nokia 9000i Service Manual page 39

After Sales
Technical Documentation
Table 11. Accessory HS microphone
HSMIC
1kHz rms
Codec input level
Codec gain
Level
HSEAR
1 kHz rms
Level
Codec gain
Output attenuation
Cable level
HFJ gain
Accessory level
Handset gain
EAR amp. output
Earpiece pressure
HFMIC
1 kHz rms
MRP
MIC
MIC output when HFJ
connected
HFJ gain
Cable level
Attenuation on system
board
Codec input level
Codec gain
Level
Original, 08/96
12.5 mVrms
26 dB
–6 dBm0 / 250 mVrms
Table 12. Accessory HS earpiece
–6.0 dBm0 / 980
mVrms
–6 dB
6 dB
245 mVrms
0 dB
245 mVrms
1 dB minimum
18 dB maximum
310 mVrms minimum
1.95 Vrms maximum
+1 dBPa minimum
+18 dBPa maximum
Table 13. Accessory HF microphone
+15 dBPa
–5 dBPa
2.0 mVrms
40 dB
200 mVrms
21 dB
18 mVrms
23 dB
–6 dBm0 / 250 mVrms
(continued)
NOTES
Fixed 20 dB + programmable 0...22.5 dB
0 dBm0 = 490 mVrms
NOTES
0 dBm0 = 1965 mVrms
With maximum gain
6 dB attenuation because of single ended output.
min. impedance 1 kW
Hanset gain (–5...+12) dB + 6 dB from single–
side to differential conversion
Measured differentially
NOTES
50 cm from MIC
about 20 dB atten.
MIC sensitivity –65 dB (5.6 mV/Pa)
(mic output level 3.3 mV without load)
Fixed 20 dB + programmable 0...22.5 dB
0 dBm0 = 490 mVrms
RAE/RAK–1N
Baseband
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