Section
I
Paragraphs 1-12 to 1-15.
the same
size
and the plug-in instruments may be
interchanged
for
any special application. The divider
shield, which separates the two compartments, may
be
removed and one double sized plug-in installed.
Blank plug-in kits, both single and double
sized,
are
available for user fabrication of special circuits.
See
Table 4-1 for power supply current limitations.
1-1
2.
MANU A
1
IDENTIFICATION
1-13. Information in this manual applies directly to
Model 141A instruments with
serial
prefix
of 547-.
The
serial
prefix
is
the first
3
digits of the eight digit
serial
number
(O~-OOOOO)
used to identify each
Hewlett-Packard instrument.
If
the
serial
prefix
Of
a
Model 141A
is
not 547-,
a
change sheet suppliedwith
the manual will define the difference between that
Model 141A
Model 141A and the one described in this manual, or
a
different manual may provide the information.
Corrections to this manual due
to
any errors which
existedwhen this manual was printed
are
calledErrata
and appear only on the change sheet supplied. For in-
formation pertaining to change sheets, contact the
nearest Hewlett- Packard Sales/Service Office.
1-14.
SCOPE
OF
MANUAL.
1-
15. This manual provides operating and maintenance
instructions for the Model 141A Oscilloscope.
This
information
is
supplemented by the information con-
tained in the 1400-series plug-in manuals. For infor-
mation on the operation and maintenance of plug-in
units, refer to the manual for that particular instrument.
Table 1-2. Plug-Ins for Model 141A Oscilloscope*
hp Model
1400A
140 1A
1402A
1403A
1405A
1415A
1416A
1420A
142 1A
10477A
10478~
Name
Differential Amplifier
Dual Trace Amplifier
Dual Trace Amplifier
Differential Amplifier
Dual Trace Amplifier
Time Domain Reflectometer
Swept Frequency Indicator
Time Base
Time Base and Delay
Generator
Blank Plug-In
Blank Plug-In
Check latest literature for additional new plug-ins.
Description
100 pv/cm to 20 v/cm sensitivity;
DC
to 400
kHz
bandwidth.
Dual trace and differential display;
1
mv/cm to 10 v/cm
sensitivity; DC to
450
kHz
bandwidth.
Dual trace and differential display; 5 mv/cm to 10 v/cm
sensitivity; DC to 20
MHz
bandwidth.
10 pv/cm to 0.1 v/cm sensitivity; 0.1 Hz to 400
KHz
band-
width, variable bandwidth limits.
Dual trace and Differential display; 5 mv/cm to 10 v//cm
sensitivity; DC to
5
MHz bandwidth.
Double sized plug-in for time domain reflectometry. Includes
pulse-generator, vertical sampling, and time base functions.
System risetime less than 0.1 nanoseconds; reflection coef-
ficients of 0.001 can be observed.
Double-sized plug-in for swept frequency attenuation readout.
Operates with hp Model 690-series sweep oscillators. Direct
attenuation reading to
-30
db and sensitivity to 0.5 db/cm.
Sweep ranges from 0.5 psec/cm to
5
sec/cm;
xIO
magnifier
expands fastest sweep to
50
nsec/cm. Single sweep and ex-
ternal horizontal input functions provided. Internal or exter
-
nal triggering to greater than 10 MHz.
Both Normal and Delaying sweeps from 0.1 psec/cm to
1
sec/cm;
X5
magnifier expands fastest sweep to 20 nsec/cm;
internal or external triggering to greater than 20 Mc. Delay
time continuously variable from 0.1 psec to 10 sec. Delay
functions: Normal sweep; Mixed sweep; Intensified: triggered
or
armed; Delayed:
triggered or armed.
Single
size
for special purpose circuit.
Double
size
for
special purpose circuit.
02567-1
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