Appendix A: Specifications
Table 8: Wavefo
rm measurements
Characteristic Description
Cursors
Types: Amplitude, Time
Measurements: ΔT, 1/ΔT, ΔV
Automatic measurements
Period, Frequency, Pos Width, Neg Width, Rise Time, Fall Time, Maximum, Minimum, Peak-Peak, Mean, RMS, Cycle RMS, Cursor
RMS, Phase, Pos Pulse Cnt, Neg Pulse Cnt, Rise Edge Cn, Fall Edge Cn, Pos Duty, Neg Duty, Amplitude, Cycle Mean, Cursor Mean,
Burst Width, Pos Overshoot, Neg Overshoot, Area, Cycle Area, High, Low, Delay RR, Delay RF, Delay FR, Delay FF
Table 9: Wav
eform math
Characteristic Description
Arithmetic
Add, Subtract, Multiply
Math functions
FFT
FFT Windows: Hanning, Flat Top, Rectangular. 2,048 sample points.
Sources Ch1 – Ch2, Ch2 – Ch1, Ch1 + Ch2, Ch1 * Ch2
Table 10: Autoset
Characteristic Description
Autoset menu
Single-button, automatic setup of all channels for vertical, horizontal, and trigger system, with undo Autoset
Square wave Single Cycle, Multicycle, Rising or Falling Edge
Sine wave Single Cycle, Multicycle, FFT Spectrum
Video (NTSC, PAL, SECAM) Field: All, Odd, or Even Line: All or Selectable Line Number
Table
11: Autorange
Characteristic Description
Autorange
Automatically adjust vertical and/or horizontal oscilloscope settings when the probe is moved from point to point, or when the
signal exhibits large changes.
Tabl
e 12: Frequency counter
Characteristic Description
Resolution 6 digits
Accuracy (typical) +51 parts per million including all frequency reference errors and +1 count errors
Frequency range
AC coupled, 10 Hz minimum to rated bandwidth
Frequency counter signal
source
Pulse width or edge selected trigger source.
Frequency counter measures selected trigger source at all times in pulse width and edge mode, including when the oscilloscope
acquisition is halted due to changes in run status, or acquisition of a single shot event has completed.
The frequency counter does not measure pulses that do not qualify as legitimate trigger events.
Pulse Width mode: Counts pulses of enough magnitude inside the 250 ms measurement window that qualify as triggerable events
(e.g. all narrow pulses in a PWM pulse train if set to “<” mode and the limit is set to a relatively small number).
Edge Trigger m ode: Counts all pulses of enough magnitude.
TBS1000B and TBS1000B-EDU Series Oscilloscopes User Manual 111
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