Yamaha LMY4-MLF, Руководство по обслуживанию

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LMY4-MLF
4
ELECTRICAL CHARACTERISTICS
Output impedance of signal generator:150 ohms, fs=44.1 k or 48 kHz
FREQUENCY RESPONSE @20 Hz-20 kHz,ref to the nominal output level @1 kHz
Input Output Conditions
Input Output Conditions
Input Output Conditions
Input Output Conditions
Input Output Conditions
MIN TYP MAX UNIT
MIN TYP MAX UNIT
MIN TYP MAX UNIT
MIN TYP MAX UNIT
MIN TYP MAX UNIT
MIN TYP MAX UNIT
MIN TYP MAX UNIT
CH1 - 4 LMY4-DA Gain:-68 dB@+10 dBu - 3 1 dB
dB
Gain:+10 dB@+10 dBu - 3 1 dB
dB
kHz
dB
dB
dB
dB
GAIN ERROR @1 kHz
CH1 - 4 LMY4-DA GAIN -68 dB@+10 dBu - 1 1
GAIN +10 dB@+10 dBu - 1 1
Total Harmonic Distortion
CH1 - 4 LMY4-DA +10 dBu@20 Hz-20kHz GAIN: -68 dB 0.3 %
Full scale output @1 kHz GAIN: -68 dB 0.05 %
+10 dBu@20 Hz-20 kHz GAIN: +10 dB 0.02 %
Full scale output @1 kHz GAIN: +10 dB 0.007 %
Dynamic Range
CH1 - 4 LMY4-DA GAIN +10 dB * 110
*Dynamic range are measured with a 6 dB/octave filter @12.7 kHz;
equivalent to a 20 kHz filter with infinite dB/octave attenuation.
Hum & Noise @20 Hz-20 kHz
CH1 - 4 LMY4-DA Equivalent Input Noise -128
Rs=150 ,GAIN: -68 dB
CH1 - 4 LMY4-DA Rs=150 ,GAIN: -26 dB -80
*Hum & Noise range are measured with a 6 dB/octave filter @12.7 kHz;
equivalent to a 20 kHz filter with infinite dB/octave attenuation.
Crosstalk @1kHz
From/To To/From Conditions
CH N CH (N-1) or (N+1) Adjacent inputs -90
Parameter Conditions
Sampling frequency range 39.69 50.88
Signal delay Analog input to digital output@fs=48 kHz 1.5 ms
Power requirements DC digital 5 V 270 mA
DC analog 5 V 200 mA
DC 15 V 90 mA
DC analog -15 V 90 mA
DC +48 V 30 mA
Phantom power Output Voltage non-load 46 48 50 V
Output Current 7.5 mA
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