Tektronix SC 502, Instruction Manual

Page: 12 / 127

SpeeHlcallon-SC 502
Table 1-1 (coni)
Ch.,aderi"l�
PtfiOlftlanA Requlremenls Supplement ..
Informallon
AC
LF
Response
1
0
Hz or
less
with
Be
coupling 1 Hz
or
less
with
X
1
0
probe.
Common Mode
Rejection Ratio At least
30
to 1 at 1 MHz or less with
same
Common
mode
Signal
limited to
:t
5 divi.
(CH1.CH2 Display Mode)
deftection
factor settings. siens,
1
0
div peak.to.peak. With
X10
probes
CMRR
above 1
kHz
is limited
by
probe
�tiOn matching.
ChannellSOiation
2
%
or
less display related crosstalk to Input signal related crosstalk is typically
15 MHz.
less
than
0.01%.
Displayed Noise
0.2 mV
or
less peak·to·peak at 1 mV.
Typical Trace Drift (after
1
hour
warm.up. constant line voltage)
5
mV/div to 20 V/div
Less
than
0.1 div/hr. and
0.03
div/-C.
1 mVidiv to 2 mV/dv
Less
than
0.3
mV/hr. and 0.1 mVl
"
C
.
CH1
or
CH2 Input
Impedance 1
Mn
±
1%.
Paralleled nominally by
47
pF.
Maximum Input Voltage
350
V (dc
+
peak
ac). 700
V peak.tO-
peak ae at 1 kHz or less. Above 1 kHz
recommended
peak.to.peak
ae
limit is
250 V to 10 kHz derating to 25 V above
100 kHz.
PositiOn Range
At least
±
6
divisions.
Delay
Une
Nominally 1
40
ns.
Permits viewing the
leading edge of the triggering waveform.
Display
Modes
CH1orCH2 SeIec1ed
input
is
displayed.
ALT Altemates display of CH1 and CH2 every
other sweep.
CHOP CPIops display of CH1 and CH2. Chop rate at least 250 kHz.
CH1
minus
CH2
OfspIays algebraic
ditferenoe
between
CH
1
and CH2.
Trigger
View Triggering waveform is displayed instead
of
Triggering
point
on
the displayed
selected Display Mode
when
TRIG VIEW waveform is nominally at CRT vertiCal
bunon
is depressed. center.
REV FEB 1982