Tektronix 7B10 Instruction Manual page 9

General Information—
7B10
Operators
TABLE
1-1 (CONT.)
Electrical Characteristics
Characteristic
Performance Requirement
TRIGGERING
Trigger
Sensitivity for Repetitive Signals
Triggering Frequency
Minimum
Triggering
Range®
Signal
Required
Coupling
Internal External
AC
30 Hz
to
250
MHz
0.5 div
50
mV
250
MHz
to
1
GHz
1
.5
div
150
mV
AC
LF
REJ''
50 kHz
to
250
MHz
0.5
div
50
mV
250
MHz
to
1
GHz
1
.5
div
150
mV
AC
HF REJ
30 Hz
to
30 kHz
0.5
div
50
mV
DC®
DC
to
250
MHz
0.5
div
50
mV
250
MHz
to
1
GHz
1.5 div
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
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
Q
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 ^(s/div
2 times
TIME/DIV
setting, or
less
1
yus/div to
2 ns/div
2.0
IIS,
or
less
Maximum
Holdoff Setting
0.2 s/div
to
50 ms/div
400
ms,
or greater
20 ms/div
to
2
yus/div
20
times
TIME/DIV
setting,
or
greater
1
/fs/div to 0.5
yus/div
20.0
IIS,
or greater
0.2
yUs/div
to
2 ns/div
6.0
ns,
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.
REV MAY
1981
1-3