ADVANTEST Universal Counter TR5821
Frequency measurement(FREQ.A)
Range :10 Hz to 120 MHz
Gate time :10ms,0.1s,1s,or 10s
Unit display :Hz,kHz,or MHz
Accuracy :+1 count + time base accuracy
Period measurement(PERIOD B)
Measurement range:20ns to 999.99999s(including when averaged)
Time unit :100ns
Unit display :ns,us,ms,or s
Input specifications
INPUT A/B
Input sensitivity :25mVrms,DC to 100 MHz
55mVrms,100 MHz to 120 MHz
Sensitivity switching:x1,x10,and x100
Input coupling mode:DC or AC coupled, or AUTO(AC coupled)
Input impendence :Approx. 1MW//30pF,COM.A approx.500 kW
Pulse resolution :10 ns
Trigger level
:Approximately -1 V to +1 V continuously variable.
In the AUTO mode,the trigger level is automatically set to the
half-amplitude of the peak
value of the signal to be measured.
Trigger slope :+/- switchable
Masking :Approx. 0.1 ms to 0.1 s.The masking time can be monitored at CHECK mode.
Noise rejection :100 kHz low-pass filter
