EasyManua.ls Logo

Tektronix 47E5A

Tektronix 47E5A
83 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Loading...
BASIC 475A DELAYED OR
MIXED
SWEEP
TIME
MEASUREMENTS
The
delayed sweep
modes
can be used
to
make
more
accurate
time
measurements
.
TIME
DIFFERENCE
BETWEEN
REPETETIVE PULSES (BASIC 475A)
Obtain
a Delayed Sweep
Display
. For the
most
accurate
measurement,
set the B
TIME/DIV
switch
to
the fastest
sweep speed that gives
usable
(visable)
intensified
zones.
With the
HORIZ
DISPLAY
switch
set to A
INTEN
, use
the
DELAY
TIME
POSITION
dial
to
move the
intensified
zone
to the first pulse (see Fig. 25A).
Set the
HORIZ
DISPLAY
switch
to
8
DL
y'D
.
Adjust
the
DELAY
TIME
POSITION
dial
to
move
the pulse
(or
rising
portion)
to
some
vertical reference
line
(see Fig.
258).
Note
the
setting
of
the
DELAY
TIME
POSITION
dial.
Turn
the
DELAY
TIME
POSITION
dial
clockwise
to
move the
second
pulse
to
the
same vertical reference
line
(if
several
pulses
are
displayed
, return to A
INTEN
to locate the
correct
pulse).
Do
not
change
the settings
of
the
horizon-
tal
POSITION
and FINE
controls
.
Note
the
setting
of
the
DELAY
TIME
POSITION
dial.
Determine
the time
difference
using
the
following
formula:
Time
Difference
=
dial
~
econd
dial
setting
firstJ
setting
delay
time
X A
TIME/DIV
setting
EXAMPLE:
Assume
the
first
dial
setting
is 1.
31
and the
second
dial
setting
is 8.
81
with
the A
TIME/DIV
switch
set
to
0.2
{JS
(see Fig . 25).
Using
the
formula:
Time
Difference
=
[
Second.
dial
_ first
dial]
delay
time
X (A
TIME/DIV
setting
setting
setting)
48
475A/DM44 Operators
@
I
I
I
I
I
I
I
I

Table of Contents

Related product manuals