Nokia 9000i - Page 39

After Sales
Technical Documentation
RAE/RAK–1N
Baseband
Page 2–13
Original, 08/96
Table 11. Accessory HS microphone (continued)
NOTESHSMIC
1kHz rms
Codec input level 12.5 mVrms
Codec gain 26 dB Fixed 20 dB + programmable 0...22.5 dB
Level –6 dBm0 / 250 mVrms 0 dBm0 = 490 mVrms
Table 12. Accessory HS earpiece
HSEAR
1 kHz rms
NOTES
Level –6.0 dBm0 / 980
mVrms
0 dBm0 = 1965 mVrms
Codec gain –6 dB With maximum gain
Output attenuation 6 dB 6 dB attenuation because of single ended output.
Cable level 245 mVrms min. impedance 1 k
HFJ gain 0 dB
Accessory level 245 mVrms
Handset gain 1 dB minimum
18 dB maximum
Hanset gain (–5...+12) dB + 6 dB from single–
side to differential conversion
EAR amp. output 310 mVrms minimum
1.95 Vrms maximum
Measured differentially
Earpiece pressure +1 dBPa minimum
+18 dBPa maximum
Table 13. Accessory HF microphone
HFMIC
1 kHz rms
NOTES
MRP +15 dBPa 50 cm from MIC
MIC –5 dBPa about 20 dB atten.
MIC output when HFJ
connected
2.0 mVrms MIC sensitivity –65 dB (5.6 mV/Pa)
(mic output level 3.3 mV without load)
HFJ gain 40 dB
Cable level 200 mVrms
Attenuation on system
board
21 dB
Codec input level 18 mVrms
Codec gain 23 dB Fixed 20 dB + programmable 0...22.5 dB
Level –6 dBm0 / 250 mVrms 0 dBm0 = 490 mVrms