Tektronix 1780-R User Manual

Page of 188
Measurements
4–20
1780R-Series Operator’s Manual
K Factor Measurement
Enter K Factor Mode
Push the MEASURE button to enable the Measurement menu,
shown in Figure 4–1.
Touch <K FACTOR> on the screen.
K FACTOR is displayed on the left CRT. The input signal and
electronic graticule are displayed on the right CRT.
The instrument is now configured as specified in Table 4–5
Making K Factor Measurements
1. Use the Horizontal Position and the Waveform Var Gain as
needed to position the signal baseline on the dotted electronic
graticule line and position the top of the pulse at the center of the
electronic graticule plus sign (+). See Figure 4–6.
2. Use the large knob to adjust the electronic K Factor graticule
outline to just touch the point of greatest signal error.
a. Use X5 Gain as needed to view the signal. To ensure a
calibrated graticule, if the Var Gain was employed while
in X1 Gain, it must remain on while in X5 Gain.
3. Read the K
2T
 Factor error in percent on the CRT readout.
Measurements
4–20
1780R-Series Operator’s Manual
K Factor Measurement
Enter K Factor Mode
Push the MEASURE button to enable the Measurement menu,
shown in Figure 4–1.
Touch <K FACTOR> on the screen.
K FACTOR is displayed on the left CRT. The input signal and
electronic graticule are displayed on the right CRT.
The instrument is now configured as specified in Table 4–5
Making K Factor Measurements
1. Use the Horizontal Position and the Waveform Var Gain as
needed to position the signal baseline on the dotted electronic
graticule line and position the top of the pulse at the center of the
electronic graticule plus sign (+). See Figure 4–6.
2. Use the large knob to adjust the electronic K Factor graticule
outline to just touch the point of greatest signal error.
a. Use X5 Gain as needed to view the signal. To ensure a
calibrated graticule, if the Var Gain was employed while
in X1 Gain, it must remain on while in X5 Gain.
3. Read the K
2T
 Factor error in percent on the CRT readout.