Instructions

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 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
TBS1000 Series Oscilloscopes Series Digital Storage Oscilloscope Technical Reference 6