Condition Time measurement accuracy
Single shot, sample mode, full bandwidth
selected
±(1 Sample Internal + 25 X 10
-6
X |reading| +
0.6 ns)
> 16 averages, full bandwidth selected ±(1 Sample Internal + 25 X 10
-6
X |reading| +
0.4 ns)
The Sample Interval is the time between the samples in the waveform record.
Time measurement functions Frequency, Period , Rise, Fall, Pwidth, Nwidth, Pduty, Nduty, DelayRR, DelayRF, DelayFR,
DelayFF, Burst width, Phase.
Waveform Math
Arithmetic Add, Subtract, and Multiply waveforms
FFT Spectral magnitude. Set FFT Vertical Scale to Linear RMS or dBV RMS, and FFT Window to
Rectangular, Hamming, Hanning, or Blackman-Harris.
Triggering system
Trigger types
Edge Positive or negative slope on any channel.
Coupling includes DC, HF reject, LF reject, and
noise reject.
Pulse Width Trigger on width of positive or negative pulses
that are >, <, =, or ≠ a specified period of time.
Runt Trigger on a pulse that crosses one threshold
but fails to cross a second threshold before
crossing the first again.
Trigger source selection Analog channels, Aux In (External), AC Line.
Horizontal trigger position The trigger position is set by the Horizontal Position knob.
Aux In input impedance 1 MΩ ±2 %, 13 pF ±2 pF
Aux In maximum input voltage 300 V
RMS
, Installation Category II; derate at 20 dB/decade above 100 kHz to 13 V peak AC at
3 MHz and above
Based on sinusoidal or DC input signal. The maximum viewable signal while DC coupled is ±50 V
offset ±5 V/div at 4 divisions, or 70 V. AC coupling allows measuring signals on a DC level up to
300 V. For non sinusoidal waveforms, peak value must be less than 450 V. Excursions above
300 V should be less than 100 ms duration and the duty factor is limited to < 44%. RMS signal level
must be limited to 300 V. If these values are exceeded, damage to the instrument may result.
Line trigger characteristics Line Trigger mode provides a source to synchronize the trigger with the AC line input.
Input Amplitude requirements: 85 V
AC
- 265 V
AC
.
Input Frequency requirements: 45 Hz - 440 Hz.
Specifications Time Base System (cont.)
6 TBS1000C Series Specification and Performance Verification
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