After Sales
Technical Documentation
RAE/RAK–1N
Baseband
Page 2–12
Original, 08/96
Table 9. Personal HF microphone
PHFMIC
1kHz rms
NOTES
MRP pressure +14 dBPa 50 cm from MIC
MIC pressure –6 dBPa about 20 dB attenuation
MIC output 3.1 mVrms mic sensitivity –64 dB (6.3 mV/Pa)
0 dB = 1V/uBar 1uBar=0.1Pa
Codec gain 30.5 dB Fixed 20 dB + programmable 0...22.5 dB
Level –13.5 dBmO /
105 mVrms
0 dBmO = 490 mVrms
Table 10. Personal HF speaker
PHFEAR
1 kHz rms
NOTES
Level –6.0 dBm0 / 980
mVrms
0 dBm0 = 1965 mVrms
Codec gain –14 dB nominal
–6 dB max. volume
14 dB attenuation. Controllable 0...–30 dB.
Maximum volume +8 dB
Output attenuation 6 dB 6 dB attenuation because of single ended output.
Codec output 100 mVrms nominal
245 mVrms maximum
Booster gain 18 dB
Speaker input 0.78 Vrms nominal
1.95 Vrms maximum
80 mW average / 8W/Bridge tied load.
480 mW average / 8W/Bridge tied load.
Pressure –19 dBPa nominal
–11 dBPa maximum
50 cm from speaker.
Speaker sensitivity 80 dB/W/1m (Foster
T028S21). 0dB = –94 dBPa (20 mPa)
Table 11. Accessory HS microphone
HSMIC
1kHz rms
NOTES
MRP pressure +3 dBPa 5 cm from MIC
MIC pressure –2 dBPa about 5 dB attenuation
MIC output 6.3 mVrms mic sensitivity –62 dB (7.9 mV/Pa)
0 dB = 1V/uBar 1uBar=0.1Pa
Handset gain 27 dB Flat mic response
Accessory level 140 mVrms
HFJ gain 0 dB
Cable level 140 mVrms
Attenuation on system
board
21 dB
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