NEC Barracuda Service Manual page 35

Pda
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1.2.3 Internal I/O Device:
1.2.3.1 Internal Speaker * 1
Model NO. FG-15N081
Type: Mylar Cone Type
Nominal Size: 15mm inch
Voice Coil: 8? +/- 15% at 1500 Hz
Resonance FO: 780 Hz +/- 20% Hz
S.P.L: 75 Db +/- 3db at 0.5W Average at 800,1000,1200,1500 Hz
Power Rating: Normal 400 mW Maximum 500 mW
Distortion: 5% Maximum at 1000 Hz 400 mW
Total Weight: 1.7 g
Magnet: Materials: Ndfe-B Size: 6.6 X 1.5 mm
Flux Density: 4800 Gauss +/- 10 %
Low Temperature Test: Low temperature : -20 ℃ +/- 2 ℃
1.2.3.2 Internal Microphone * 1
Electrical Characteristics Test Condition (Vs=2.0V RL=2.2Kohm Te=20° C R.H.=60%)
Sensitivity: -45 +/- 4dB(0dB=1V/Pa, 1kHz)
Impedance: 2.2Kohm
Directivity: Omnidirectional
Frequency: 20-16,000Hz
Max. Operation voltage: 10V
Standard operation voltage: 2V
Current consumption: 0.5mA
S/N ratio: 58dB
Sensitivity reduction: -3dB(0dB=1V/Pa, 1kHz Vs=1.5V)
Barracuda PDA Maintenance
Highht temperature: +70 ℃ +/- 2 ℃
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