Tektronix T921 - Page 8

Specifications-T921 /T9~2/T922R
Chara cteristic

Performance Requirement
B . VERTICAL AMPLIFI ER (co nt)
TABLE 1-1 (cont)
Characteristic
Sweep Rate
Calibrated Range
Accuracy
+20° C to
+30° C
X-Y
Operation
Unmagnified
Magnified
O' C to +45° C
Unmagnified
Magnified
Variable
Magnifier
Deflection Factor
Variable
Magnifier
X10
X1
X-Axis Bandwidth
T921 & T922
T922R
Input Resistance
Input Capacitance
T921 &T922
T922R
Phase Difference
Between X- and
Y-Axis
Amplifiers
C
.
TIME
BASE
0 .5 s/div to 0 .2,us/div ; 20 steps in a
1-2-5 sequence . Variable X1 to X10
magnifier
extends maximum
sweep rate
to 20 ns/div .
Accuracy specification applies
over center 8 divisions . Exclude
first
50 ns of sweep for both
magnified and
unmagnified sweep
rates and anything beyond the
100th magnified division .
Within 3% .
Within
5%
.
Within 4% .
Within 6% .
PerformanceRequirement
Approximately 100 mV/div .
Approximately 1
V/div
.
DC to at least 1 MHz with
10
div
reference signal .
DC to least 1 MHz with 5 div
reference signal .
Approximately 1 MO .
Approxiamtely 30 pF .
Approximately 40 pF (front input
only) .
5°
or less from do to 50 kHz .
REV . B, DEC
. 197 6
Frequency
Response
Bandwidth
Dc to at least 15 MHz (5 division
reference signal
centered vertical-
ly from a 25 S2
source with
VOLTS/DIV VAR control
in
calibrated detent) .
Risetime
23 ns or less .
ChoppedMode Approximately
250 kHz .
Repetition Rate
(T922)
Input Resistance Approximately
1 MO .
Input Capacitance Approximately 30 pF .
(T921 and
T922)
Input Capacitance
(
T922R )
CH 1
and CH 2, Approximately
40 pF .
(front only)
Maximum Input
Voltage
DC Coupled 400 V (dc +
peak ac) .
800 V (p-p ac) at 1 kHz or
less .
AC Coupled 400 V (dc + peak ac) .
800 V (p-p ac) at 1 kHz or less .
Vertical Output
(T922R)
Amplitude
High Im-
At least 0 .5V/div of display .
pedance Load
50 S2 Load Approximately 50 mV/div of dis-
play .
Bandwidth Approximately 1 MHz .