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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