Tektronix 11A32 User's Reference Manual page 43

TABLE 4-1 (cont.)
Electrical Characteristics
Specification
Circuit
Characteristic Performance Requirement
Input Maximum Input Voltage,
DC Coupled, Z = 1 MO
±500 V (DC +peak AC). Derate at 20 dB per
decade from i MHz to 5.0 V at 100 MHz.
Maximum Input Voltage,
AC Coupled, Z = 1 MO
±500 V (DC +peak AC). Derate at 20 dB per
decade from 1 MHz to 5.0 V at 100 MHz.
Maximum Input Voltage,
AC or DC Coupled, Z - 50 O
5 Vrms (0.5 W) or 0.5 watt-second pulses
not exceeding 25 V peak.
Input Disconnect Threshold 5 Vrms minimum.
Input Impedance
(50 O, DC coupled)
50 O within 1/2%; VSWR less than 1.25:1
for V/div <1 V; VSWR less than 1.3:1 for
V/div from 1 V to 10 V, DC to 350 MHz.
Input Impedance
(1 MO, DC coupled)
1 MO within 1/2% in parallel with
approximately 15 pF.
Input Impedance
(1 MO, AC coupled)
1 MO within 1/2%, in series with 0.022 jiF
and in parallel with approximately 15 pF.
Input Bias Current (0° to + 30° C)
Less than 100 pA.
11A32 User Reference Supplement
4-5