音频系统分析仪 LAS-5500
AUDIO SYSTEM ANALYZER
厂家:日本利达
简介:
SPECIFICATIONS
AUDIO OSCILLATOR
Frequency range:10Hz-1MHz in 5 decade ranges
Calibration Accuracy:±5% below 100Hz
±3% above 100Hz
output waveform:since wave
output voltage:>3v rms into 600Ω
distortion:<0.05%:500Hz-20KHz
<0.1%:100Hz-100KHz
<0.5:50Hz-500KHz
<1%:10Hz-1MHz
output leveling:within±0.3dB(600Ω Load)
output impedance:600Ω
output control:Direct,or through attenuator
Attenuator
input/output impedance:600Ω;unbalanced
attenuation range:0-101dB in 0.1dB steps
accuracy:±2%
frequency response:±2% to -70dB:DC-200KHz
±2% to -101dB:DC-100KHz
maximum input:0.5W maximum(17vrms or +27dBm)
output load resistor:600Ω(switchable,in or out)
AC Millivoltmeter
voltage range:30μv-100vrms in 12 ranges
0.3,1,3,10,30,100mVrms
0.3,1,3,10,30,100Vrms
decibel ranges:-90 to +42dB(0db=0.775v)
-90 to +40dB(0db=1v)
accuracy:±3% of full scale,ref'd to 1KHz
frequency response:±10%:5Hz-500KHz
±5%:10Hz-200KHz
±3%:20Hz-100KHz
input impedance:10MΩ/<65pF,at each range.
weighted filter:according to JIS"A"curve(same as NAB);switchable,in or out
input connections:UHF-type and pin jacks for left and right,switch selectable
measuring modes:direct,attenuator output,and W & F (wow flutter)
Oscilloscope
display area:8×10div(1div=6mm)
vertical amplifier
sensitivity:10mv/div
input control:4 steps:×1,×10,×100,×1000;continuous fine adjuster,10mv-100v/div
bandwidth,-3dB DC,or 2Hz,to 5MHz
rise time:70ns
input impedance:1MΩ/40pF
input connector:UHF type(so-239)
maximum input voltage:600v(DC+AC peak)
Horizontal amplifier
sensitivity:approx.200mv/div
input control:200mv to 10v/div coverage
bandwidth,-3dB:DC to 250KHz
input impedance:100KΩ
maximum input voltage:100v(DC+AC peak)
time base
sweep frequency:10Hz-100KHz in 4 ranges,continuous fine adjuster
synchronization:internal;+polarity only
wow flutter meter
measuring frequencies:JIS,CCIR:3KHz±10%
DIN:3.15KHz±10%
input voltage range:15mv-10Vrms(automatic leveling)
input impedance:>300KΩ
drift measurements
measuring range:±5%
accuracy:within±5% of full scale
wow flutter measurements
test ranges:5 ranges:0.03%,0.1%,0.3%,1%,3%,at full scale;accuracy,±5% of full scale
Frequency response(within-3dB±1dB)
JIS:0.5-200Hz
CCIR:0.3-200Hz
DIN:0.3-300Hz
Weighted characteristic:applicable to JIS,CCIR and DIN standards
indication
JIS:Effective vallue;95% of input(ref'd to 100%)within 3.5±1sec
CCIR/DIN:Peak value in accordance with relevant standards
indicating method:use of% scales of AC millivoltmeter
test frequency source:3KHz±0.03%;output 0.3Vrms
output impedance,approx.5KΩ
distortion,<2%
To scope terminal
output voltage:1Vrms±5%(JIS)
0.7Vrms ±5%(DIN,CCIR)
output impedance:2KΩ±20%
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