Tektronix 222 Operator's Manual page 120

Performance Specifications-222 DSO Operators
input Current
2.5 nA or less (0.5 division or less trace shift when switching
between DC and GND input coupling with the VOLTS/DIV switch
at 5 mV per division).l
lnput R and C
Input Resistance 1 M a +lo%.'
Input Capacitance
27
pF f 3 pF.1
These R and C characteristics include the probe.
Common-to-Chassis
Capacitance Less than 150 pF.1
Maximum Rated Normal-Mode input Voltage (probe tip to probe
common)
400 V (dc
+
peak ac) to 2 MHz.'
See Figure 8-1 for voltage versus frequency derating curve.
100 kHz 1 MHz 2 MHz 10 MHz
F R E Q U E N C Y
7100-2;
Figure 8-1. Maximum normal-mode voltage versus frequency
derating curve.
'Performance Requirement not checked in manual.
8-4
REV JUN
1989