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TYPE 667 OSCILLOSCOPE
*A,
*5.
Some
Of The Things Possible With The Type 661,
Type
4S1, And
Type
5T1A
Combination
. Trigger
internally —
observe
fast
leading
edges
of both
A and B
traces.
Matched
internal
delay lines in both vertical channels assure
accurate time comparisons.
2. Observe
less than
10-psec time jitter on fastest sweep
range
(optimum
triggering
conditions).
. Measure
pulse
risetimes
with
0.35
nanosecond
response
in
both
channels.
Full
scale
time-
measurement
range
extends
to 1 millisecond.
Use
time
expansion
of either
1, 2, 5,
10, 20, 50, or 100 times, while maintaining a constant
number of samples/cm.
Change
time
position
over
full
time-base
duration
for viewing
expanded
signals.
Display
repetitive
signals
on
16
calibrated
equivalent
sweep
rates
from
1 nsec/cm
to
100
pusec/cm,
accurate
within
3%.
Magnifier
provides sweep
expansion from
2 to 100 times...
time
per dot
remains
the
same
for digital
readout
(rear panel
connector provides signals for
connection to counter).
7.
Dot transient response and dc reference are
independent
of signal source impedance.
Reduce
random
system
time
jitter and
amplitude
noise
by
means
of a smoothing
control.
9. Measure
millivolt signals
in the presence of a substantial de component
by means of a de-
10.
11.
*1 2.
13.
offset voltage monitorable at the front panel.
Calibrate with
amplitude
signals available. from the front panel.
Calibrate with timing signals
traceable
to National
Bureau
of Standards.
Show
lissajous patterns in addition to single and dual-trace displays and signals added alge-
braically.
Drive X-Y plotters or similar:readout accessories, manually or automatically.
Slow speed scan
nominally set at 7.5 sec/cm.
Drive
external
equipment,
with
fast-rise
delayed-pulse output.
* New
features
of Type
5T1A,
compared
to Type
5T1,
Time
Jitter
Typical
Application
A
1-volt
1.2-nsec
pulse
internally
triggering
the 4S1/5T1A
system.
Verti-
2 gigacycle
sine-wave
driving
inputs
to 481
for X-Y operation.
Diagonal
cal sensitivity is 200 mv/cm,
sweep
speed
is 0.2 nsec/cm
(1 nsec/cm
with
line
shows
in-phase
characteristics.
Ellipse
is caused
by
insertion
of 8
5X
expander).
Note
very
small
amount
of time
jitter.
Note
clean
0.2-
millimeters of air-line to one input,
resulting in approximately 20 degrees
nsec
risetime
of
the
Type
109
Pulse
Generator
and
0.35-nsec
risetime
of
phase
shift.
Resolution
below
one
degree
is possible.
of the Type
4S1
combined
for less than
0.4-nsec total risetime.
©
1963, Tektronix, Inc.
All
Rights
Reserved
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