SECTION 5
PERFORMANCE CHECK
Type 503
Introduction
This section of the manual provides a means of rapidly
checking the performance of the Type 503. It is intended
to check the calibration of the instrument without the need
for performaing the complete Calibration Procedure. The
Performance Check does not provide for the adjustment of
any internal controls. Failure to meet the requirements given
in this procedure indicates the need for internal checks or
adjustments, and the user should refer to the Calibration
Procedure in this manual.
12. Adapter, UHF quick-connect. Tektronix Part No. 003-
0028-00 (2 required).
13. Adapter, male BNC and female UHF. Tektronix Part
No. 103-0032-00.
14. Attenuator, 10:1 with UHF connectors. Tektronix Part
No. 011-0031-00.
15. 6-inch patch cord with banana plug terminals. Tek
tronix Part No. 012-0028-00.
Recommended Equipment
The following equipment is recommended for a complete
performance check. Specifications given are the minimum
necessary to perform this procedure. All equipment is
assumed to be calibrated and operating within the orignal
specifications. If equipment is substituted, it must meet or
exceed the specifications of the recommended equipment.
For the most accurate and convenient performance check,
special calibration fixtures are used in this procedure. These
calibration fixtures are available from Tektronix, Inc. Order
by part number through your local Tektronix Field Office
or representative.
1. Test Oscilloscope; minimum deflection factor, 1 mV/div;
bandwidth, DC to 450 kHz. Tektronix Type 503 recom
mended.
2. Square-wave generator. Range, 0.5 volts to 20 volts
at 1 kHz; risetime, 70 nanoseconds or faster. Tektronix Type
106 recommended.
3. Constant-amplitude sine-wave generator. Signal fre
quencies, 50 kHz, 350 kHz, and 450 kHz; output 0 to 5 volts.
Tektronix Type 191 recommended.
4. Standard Amplitude Calibrator. Accuracy, 0.25%;
output, 5 mV to 100-volt square waves. Tektronix Calibra
tion Fixture Part No. 067-0502-00 recommended.
5. Time-mark generator. Markers from 1 ps through 5
seconds; accuracy, 0.2% or better. Tektronix Type 184
recommended.
6. 10X probe. Tektronix Type P6006, Part No. 010-0125-
00 recommended.
7. Input time-constant standardizer, 47 pF, with UHF con
nectors. Tektronix Part No. 011-0068-00.
8. 50 <> termination with UHF connectors, Tektronix Part
No. 011-0045-00.
9. 50 ti cables with UHF connectors. Tektronix Part No.
012-0001-00 (2 required).
10. Adapter, UHF T, Tektronix Part No. 103-0026-00.
11. Adapter, GR and UHF female. Tektronix Part No.
017-0022-00.
PRELIMINARY
General
In the following procedure, test equipment connections
or control settings should not be changed except as noted.
If only a partial check is desired, refer to the preceding
step(s) for setup information.
The following procedure uses the equipment listed under
Recommended Equipment. If substitute equipment is used,
control settings or setup must be altered to meet the require
ments of the equipment used.
Preliminary Procedure
1. Connect the Type 503 to a suitable power source
(nominally 117 VAC RMS).
2. Set the instrument controls as follows:
SLOPE
COUPLING
SOURCE
LEVEL
SWEEP TIME/CM
VARIABLE
INTENSITY
HORIZONTAL DISPLAY
FOCUS
VERTICAL
SENSITIVITY
VARIABLE
POSITION
+INPUT
—INPUT
HORIZONTAL
SENSITIVITY
+
AC
I NT.
FREE RUN
1 mSEC
CALIBRATED (fully clock
wise)
Fully counterclockwise
HORIZ AMPLIFIER
(SWEEP DISABLED)
Fully clockwise
.2 VOLTS/CM
CALIBRATED (fully
clockwise)
Midrange
GND
GND
.2 VOLTS/CM
5-1
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