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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 se-lectable
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 )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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