Tektronix 7B10 Instruction Manual page 11

General Information—
7B1
0
TABLE
1-1
(CONT.)
Electrical
Characteristics
Characteristic
Performance Requirement
tRIGGERING
Trigger
Sensitivity for
Repetitive Signals
Triggering
Frequency
Range^
Minimum
Triggering
Signal
Required
Coupling
Internal
External
AC
30 Hz
to
250
MHz
250
MHz
to
1
GHz
0.5 div
1
,5
div
50
mV
150
mV
AC
LF REJ"
50 kHz
to
250
MHz
250
MHz
to
1
GHz
0
5
div
1
5
div
50
mV
150
mV
AC
HF REJ
30
Hz
to
30 kHz 0.5 div
50
mV
DC^
DC
to
250
MHz
250
MHz
to
1
GHz
0.5
div
1.5 div
50
mV
150
mV
Single
Sweep
Same
as
for
Repetitive Triggering.
Internal
Trigger
Jitter
30 ps
or less at
1
GHz.
Operating
in
HF
SYNC
MODE
AC,
AC
LF REJ,
or
DC
250
MHz
to
1
GHz
- 0.3
div.
Internal
75
mV
External.
External Trigger Input
LEVEL
RANGE
1
At
least ±3.5
V
(checked
on
1
kHz
sine
wave)
Maximum
Safe Input
1
-Megohm
Input
250
V
(dc
plus
peak
ac)
50-0hm
Input
1
Watt
average.
Input
R
and C
1
-Megohm
Input 1
MQ
within
5%, 20
pF
'
within
10%.
50-0hm
50
n
within
2%.
Trigger Holdoff
Time
Minimum
Holdoff Setting®
0
2
s
'div to
50
ms
'div 40 ms,
or less
20
ms''div
to
2
/lYs/div
2
times
TIME/DIV
setting,
or
less
1
A/s-'div to
2
ns^div 2.0 pS, or less
Maximum
Holdoff Setting®
02
s/div
to
50 ms/div
1
400 ms, or greater
20
ms
'div
to 2 /Lis/dlv
20
times
TIME/DIV
setting,
or
greater
1
fjs
div
to
0
5 /rs-'div
20.0 ps,
or greater
0
2
z^is
'div to
2
ns ^div
6.0
pS, or greater
The
triggering
frequency ranges given here are limited to the -3
dB
frequency of the oscilloscope vertical
system
when
operating
in
the Internal
mode.
'will
not
trigger
on
sine
waves
at
or
below
60
Hz
when
amplitudes
are less
than 8 divisions Internal or
3
volts External.
The triggering
frequency range
for
DC COUPLING
applies
to
frequencies above
30 Hz
when
operating
in
the
AUTO
TRIGGERING
MODE
^Performance requirement
not criecked
m
the manual.
REV SEP
1982
1-3