Specifications

The
Tektronix
4658
Oscilloscope
is a dual-channel,
four-trace
portable
instrument,
providing
traces
for
two
input
channels, a trigger
view
from
an
external trigger
input, and an
add
function.
Calibrated
deflection
factors
from 5
millivolts/division to 5
volts/division are
provided
by the
dc-to-l00
MHz vertical system
for
the
input chan'
nels
and
add
function.
Sweep
trigger
circuits are capable
of
stable
triggering over
the
full
bandwidth capabilities
of the
vertical
deflection
system.
The
horizontal deflection
system
provides
calibrated sweep
rates
from
0.5 second/division
to
0.02
microsecond/division
along
with delayed sweep
features
for
accurate
relative-time
measurements. A X10
magnifier extends
the calibrated sweep
rate
to 2
nano'
seconds/division.
The instrument operates
over
a wide
variation
of
line
voltages
and
frequencies
with
maximum
power
consumption
of approximately
100 watts.
BEFORE
OPERATING
INTRODUCTION
lncreased
measurement capabilities
are achieved
by the
4658
when
it is equipped with an
optional
Tektronix
DM44
Digital
Multimeter. The
DM44
measures
0 to
20
.
megohms
resistance,
0
to 12OO dc
volts
(+
or
-),
and
-55o
C to
+150o
C temperature
(using
a
temperature
probe).
Measurement
values
are
displayed on a 3%-digit
LED
readout while
the
oscilloscope
continues
normal
operation.
The digital
multimeter and oscilloscope
combine to
provide
a digital
readout of time
difference between
any
two
points
on the oscilloscope
display.
Both time
measure-
ment
points
are
displayed
simultaneously
on the
crt. Direct
measurement of
frequency
is
provided
by a 1/TIME
function.
@
4658/DM44
Operators