Operating
Instructions
—
Type
535A
the
external triggering signal is derived from the waveform
at
the input to a
circuit,
the time relationship and phase
of
the waveforms at each
point in the
circuit are compared
to
the
input
signal
by the display presented on the oscillo
scope
screen.
When
you are using external triggering and a stable
triggering signal,
it is possible to observe and accurately
measure
jitter
of the displayed waveform. This is not pos
sible when the sweep
is triggered internally.
Selecting
the Triggering Slope
The horizontal sweep
can be triggered on
either the
rising
(
+
slope) or falling
(—slope) portion of the triggering wave
form
as
determined by the position
of
the
TRIGGER
SLOPE
switch
. When
the
switch is in one of the + positions, the
sweep
is triggered on the rising portion of the triggering
waveform; when
the TRIGGER
SLOPE switch is in one of the
—positions,
the sweep is triggered on the falling portion of
the
waveform (see Figure
2-4).
In
many applications the triggering slope is not important
since
triggering on either slope
will provide a display which
is
suitable
to the application. However, in many other
cases, such
as pulse measurements, the triggering slope is
very
important. If,
while
using a fast sweep, you may wish
to observe
the rise of a pulse, it will be necessary for you
to
trigger
the
sweep on the rising portion of the waveform
by
placing
the
TRIGGER
SLOPE switch in one of the + posi
tions.
To
observe the fall of a pulse at a fast sweep rate,
it will
be necessary to
trigger the sweep on the falling
portion
of
the waveform
by placing the TRIGGER SLOPE
switch
in
one
of the —positions. In either case, selection
of
the wrong
triggering slope will make it impossible
for
you
to observe the portion of
the waveform you wish to
check.
Selecting
the
Triggering Mode
After
selecting
the triggering
source and triggering slope,
it
is next necessary to select the triggering mode which will
allow you
to obtain the desired display. Time
Base A has
five
triggering modes
while Time Base B has three. Not
available for Time Base B are the HF SYNC
and
AC LF
RE
JECT
triggering
modes.
Each
of
the triggering modes is designed to provide
stable
triggering from a certain type of waveform. For
most applications,
however,
several of the triggering modes
2-6
Trigger
Slope
Oscilloscope
Display
Oscilloscope
Display
Fig.
2-4. Effects on the oscilloscope display produced by + and — settings of the TRIGGER SLOPE control.
Содержание 535A
Страница 2: ......
Страница 4: ...Type 535A ...
Страница 28: ...Circuit Description Type 535A 4 2 Fig 4 1 Simplified Type 535A Vertical Amplifier ...
Страница 30: ...Circuit Description Type 535A 4 4 Fig 4 2 Simplified Time Base Trigger Circuit ...
Страница 32: ...Circuit Description Type 535A Fig 4 3 Simplified Time Base Generator 4 6 ...
Страница 34: ...Circuit Description Type 535A 4 8 Fig 4 4 Simplified Delay Pickoff Circuit ...
Страница 38: ...Circuit Description Type 535A Fig 4 6 Simplified Alternate Trace Operation Circuitry 4 12 ...
Страница 39: ...Circuit Description Type 535A 4 13 ...
Страница 41: ...Circuit Description Type 535A Fig 4 8 Simplified Low Voltage Power Supply 4 15 ...
Страница 42: ...Circuit Description Type 535A 4 16 Fig 4 9 Simplified Calibrator Circuit ...
Страница 44: ...Circuit Description Type 535A Fig 4 10 Simplified Cathode Ray Tube Circuit 4 18 ...
Страница 126: ...MRU ll IG 61 O Z ...
Страница 138: ...C897 R896 R891 R890 R889 R888 R887 R886 R885 AMPLITUDE CALIBRATOR SWITCH Bottom View 535A A ...
Страница 140: ...C t Aao 3 ELEV 1 TERM 27 TERM 2e TIME BASE B CHA S5 S TYPE 3 5 C S C S C C P E R E A T ER WIRING DIAGRAM ...
Страница 143: ...FIG 1 FRONT SWITCHES TVDC COCA ocril I iCrODC ...
Страница 144: ...70 ...
Страница 145: ...1 FIG 3 SWEEP CHASSIS HIGH VOLTAGE BOARD DELAY SWEEP CHASSIS ...
Страница 146: ...1 FIG 4 POWER CHASSIS RECTIFIER MOUNTING PLATE A ...
Страница 147: ...3 34 79 ...
Страница 148: ...TYPE 535A OSCILLOSCOPE ...
Страница 149: ......
Страница 150: ...FIG 7 CABINET FRAME RAILS ...
Страница 152: ...FIG 8 STANDARD ACCESSORIES 6 TYPE 535A OSCILLOSCOPE ...
