The B & K-Precision
Model 1474 Triggered
Sweep
Dual-Trace
oscilloscope
is
alaboratory
qualitfrprofessional
instrument for obseivingand measuiingwaveforms in
electronic
circuits.
Duallertical inputs ire provided
for
simultaneous
viewing
of-two waveforms.
Low-frequency,
low repetition-rate
waveforms
are chopped
at a :do tHz
t^1tr^,ro
provide for simultaneous
viewiir!.Alternate
sweep
ol tlr. i1o inpurspermits
simulraneous
viewing
of high-
sp"g9-highrepetition-rate
waveforms.
ln additioi. thesum
or clrtterence
of the two input waveforms
can
bedisplayed
as
a single
trace.
Thebuilt-in
signal
delay
line
insures
that
theleading
edges
of fastrise-time.
short-duration
pulses
are
alwaysvisible.
The dual-trace
feature,
together
with the 30 MHz
bandwidth,
wide
l?ng9
of
sweep
speeds.
and
high
sensitivity
provided,
make
this
the
ideal
oscilloscope
foribroad tunge
of applications,
includingtroubleshodting
and repairiig
electronic equipment, research
and deielopmeni, and
laboratory
instruction.
INTRODUCTION
FEATURES
DUAL
TRACE
30
MHz
BANDWIDTH
USABLE
TO
50
MHz
I1.7
nSEC
RISE
TIME
BUILT.IN
DELAYLINE
DIGITAL
LOGIC
APPLICATIONS
RADIO
APPLICATIONS
HIGH
SENSITIVITY
Two input waveforms can be
viewed either singly or simul-
taneously,
asdesired.
Individual
vertical
sensitivity
and position-
ing controls are provided for
completely
independent
adjust-
ment of the two signal
amplitudes.
DC to 30 MHz bandwidth
and
I1.7 nSEC
rise
time assure
dis-
tortion-free, high-resolution
presentation
at highfrequencies.
Triggers on signalsup to 50
MHz.Smoothresponse
wellbe-
yond
30MHz.
Short-duration
pulses
not view-
able on other lab scopesare
clearly viewable on rhe 1474
whenexpanded
on 5X magnifi-
cation.
Permits
viewing
of leading
edge
ot high-trequency,
fastrisetime
pulses.
Design, analysis and trouble-
shooting of mini-computers,
microprocessors,
computer
terminals,
electronic
organs,
cal-
culators,
and most digital logic
circuitry usingTTL. DTL, RTL
and
most
ECLlogic.
Development, manufacturing.
and servicing
of CB radios
an-d
communicationsradios to 50
MHz. DirectRF and
IF measure-
ments,
i\M andSSB
modulation
patterns, digital data trans-
m$slon.
Permits the low-capacitance,
high-impedance, l-0:l at-
tenuationprobes
to bd used
for
virtually all measurements,
thus
assuring
minimum
circuit
loading.
CALIBRATED
VOLTAGE
SCALES
TRIGGERED
SWEEP
20
CALIBRATED
SWEEP
SPEEDS
EXPANDED
SCALE
DIFFERENTIAL
INPUT
CAPABILITY
LFAND
HF
REJECT
SYNC
COTJPLING
r
05-t30
vAc
FULLY
SOLID
STATE
Accurate
measurement(t3%) of
instantaneous
voltages
on l0 dif-
ferent
attenuator
ranges
forboth
Channel
A and
Channel
B.
Fully adjustable rrigger thres-
hold allows
the desired
portion
of thewaveforms
to beused
for
triggering.
A single
waveform,
or
both waveforms
in dual-trace
operation.
can be synchronized
to the signal displayed on
Channel
A orChannel
Bor to an
external
synctrigger.
Accurate
timemeasurements
on
20different
ranges.
Sweep
speed
range
of 0.2
gSEC/
cm to 0.5 SEC/cm provides
every speed
necessary
for view-
ing waveforms
from DC to 30
MHz.
A^fiI. time magnification
(5X)
of the horizontal
sweep
aliowi
close-up examination
of a
portion of the waveform.In
addition, the 5X magni{lcation
provides a maximum sweep
speed
of40
nSEC/cm.
Capabilityto algebraically
add
or subtract
Channel
A and
Chan-
nel B and display
as a single
trace. Useful tor differentlal
voltage
and distortion
measure-
ments.
Sync
coupling
(toattenuate
low-
or high-frequency
component
of
signal)
may
be
selected-
Maintainscalibration accuracy
over entire 105 to 130 vAc
input
range.
Only thecathode
raytubeuses
a
Iilament.
