Tektronix P6248, Руководство по обслуживанию

Страница: 6 / 58

Table of Contents
ii
P6248 1.7 GHz Differential Probe Service Manual
List of Figures
Figure 1: Typical Common-Mode Rejection Ratio
(
÷
1 and
÷
10 attenuation) 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2: Typical differential input impedance versus frequency 3 . .
Figure 3: Dimensions of probe head and compensation box 4 . . . . . . .
Figure 4: Setup for the output offset voltage test 7 . . . . . . . . . . . . . . . .
Figure 5: Setup for differential-mode tests 9 . . . . . . . . . . . . . . . . . . . . .
Figure 6: Test system rise time setup 11 . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 7: Rise time setup for test system with probe 12 . . . . . . . . . . . . .
Figure 8: Setup for CMRR test 15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 9: Adjustment locations 20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 10: Setup for the offset adjustment 21 . . . . . . . . . . . . . . . . . . . . .
Figure 11: Setup for gain adjustment 22 . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 12: Setup for DC CMRR and AC CMRR adjustments 24 . . . . .
Figure 13: Replacing TEKPROBE interface pins 27 . . . . . . . . . . . . . . .
Figure 14: Replacing the TEKPROBE collar 28 . . . . . . . . . . . . . . . . . . .
Figure 15: P6248 replaceable parts 31 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 16: P6248 standard accessories 33 . . . . . . . . . . . . . . . . . . . . . . . .
Figure 17: P6248 optional accessories 35 . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 18: Normalizing the setup 41 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 19: Setup for the CMRR tests 42 . . . . . . . . . . . . . . . . . . . . . . . . . .