Tektronix TriMode P7700 Series Technical Reference

Table of Contents
List of Figure
s
Figure 1: P7700 Series TriMode probe components ........................................................... 1
Figure 2: P7
700 Series TriMode active probe tips.............................................................. 4
Figure 3: P7700 Series TriMode probe input architecture..................................................... 5
Figure 4: TriMode input structure ............................................................................... 11
Figure 5: P7700 probe tip inputs................................................................................. 12
Figure 6: Operating voltage window (TekFlex solder-in tips)................................................ 13
Figure 7: Dynamic range versus linearity at the probe amplifier step gain settings........................ 15
Figure 8:
Operating voltage window (P77BRWSR)........................................................... 16
Figure 9: Dynamic range linearity error plot ................................................................... 16
Figure 10: Simplified diagram of the P7700 Series probe tip input network ............................... 18
Figure 11: Probe setup screen.................................................................................... 19
Figure 12: Simplified Auto Offset circuitry .................................................................... 20
Figure 13: P77STFLXA solder tip attached with 10 mils (0.250 mm) wires (rise time = 30.5 ps) ...... 23
Figur
e 14: P77STFLXA solder tip attached with 75 mils (1.90 mm) wires (rise time = 27.9 ps) ........ 23
Figure 15: P77STFLXA solder tip attached with 120 mils (3.05 mm) wires (rise time = 30.1 ps) ...... 24
Figure 16: P77STFLXA solder tip attached with 200 mils (5.08 mm) wires (rise time = 34 ps)......... 24
Figure 17: P77STFLXA solder tip attached with 300 mils (7.62 mm) wires (rise time = 42.8 ps) ...... 25
Figure 18: Simplified diagram of the P7700 Series probe tip input network ............................... 26
Figure 19: Differential input mode signal voltage and offset voltage ....................................... 28
Fi
gure 20: Solder tip measurement configuration.............................................................. 29
Figure 21: Example of LVDS differential signal............................................................... 29
Figure 22: Simplified model of a differential amplifier ....................................................... 33
Figure 23: Typical CMRR........................................................................................ 34
Figure 24: Typical channel isolation ............................................................................ 36
Figure 25: P77STCABL differential impedance............................................................... 43
Figure 26: P77STCABL SE impedance ........................................................................ 43
Figure 27: P77STFLXA differential impedance ... .... .................. ...................... ................ 44
Figure 28: PST77FLXA SE impedance......................................................................... 44
Figure 29: P77BRWSR differential impedance ................................................................ 45
Figure 30: Differential mode P77STCABL and P77FLXA equivalent circuit diagram ................... 45
Figure 31: Single-ended P77FLXA equivalent circuit diagram.............................................. 45
Figure 32: P77BRWSR equivalent circuit diagram with 50 mil spacing.................................... 46
Figure 33: P77BRWSR equivalent circuit diagram with 200 mil spacing .................................. 46
ii P7700 Series TriMode Probes Te chnical Reference

Tektronix TriMode P7700 Series Specifications

General

Brand	Tektronix
Model	TriMode P7700 Series
Category	Measuring Instruments
Language	English