Tektronix 7B51 Instruction Manual page 55

Performance Check/Calibration-Type 7B51
4. Plug-in extender.
Tektronix Part Number
067-0589-00.
5. Low-frequency sine-wave generator. Frequency range,
20 hertz to greater than 50 kilohertz; output amplitude,
150 millivolts to 5 volts. For example, General Radio
Model 1310-A Oscillator.
6. Constant amplitude sine-wave generator. Reference
frequency, 50 kilohertz; frequency range, 10 megahertz to
100 megahertz; output amplitude variable from 150
millivolts to 5 volts. Tektronix Type 191 recommended.
7. Time-mark generator. Marker outputs, five seconds to
five nanoseconds; marker accuracy, with in 0.1 %. Tektronix
Type 184 Time-Mark Generator recommended.
8. Square-wave generator. Frequency, one kilohertz.
Risetime, 20 nanoseconds or less at 0.5 volts. Tektronix
Type 106 Square-Wave Generator recommended.
9. 1 X probe with BNC connector. Tektronix Type
P6011 recommended.
10. Input RC Normalizer. Time constant 1 megohm X
20 picofarads; connectors, BNC. Tektronix calibration
fixture 067-0538-00:
11. Cable (two each). Connectors, BNC; Impedance, 50
ohms; length, 42 inches. Tektronix part number
012-0057-01.
12. BNC T connector, Tektronix Part Number
103-0030-00.
13. lOX attenuator, Tektronix Part Number
011-0059-01.
14. 50 ohm feedthrough termination, Tektronix Part
Number 011-0049-01.
15. Adapter, GR to BNC female. Tektronix Part
Number 017-0063-00.
5-2
SHORT-FORM PROCEDURE
Type7B51 ____________________________ ___
Calibration Date
Calibrated By _____________________________ __
1. Check/Adjust Level Center (R385)
Page 5-4
Requirement: Stable triggering on both the positive slope
and negative slope of the signal.
Performance: Correct ____ ; Incorrect ___ .
2. Check/Adjust P-P Auto Level Range
(R335-R336)
Page 5-5
Requirement: A triggered display is obtained throughout
360
0
rotation of the LEVEL/SLOPE control with a six
division signal applied.
Performance: Correct ____ ; Incorrect ___ .
3. Check/Adjust Internal Trigger Centering Page 5-6
(R135)
Requirement: With a 50 kHz sine-wave centered
vertically on the CRT, check that the trigger point remains
fixed as the Type 7A 16 POSITION control is moved.
Performance: Correct ___ ; Incorrect ___ .
4. Check Level/Slope Range Page 5-6
Requirement: Triggering over the complete range of a
+3.5 volt to -3.5 volt input signal.
Performance: Correct ____ ; Incorrect ____ .
5. Adjust External Trigger Input Compensa-
tion (C145D, C140C)
Page 5-6
Requirement: With a 1 kHz square-wave applied to the
EXT TRIG IN connector, adjust for best square corner.
Performance: Correct ____ ; Incorrect ___ .
6. Check Trigger Bandwidth Page 5-6
Requirement: Trigger bandwidth meets the specifications
given in Section 1. Refer to the complete procedure.
Performance: Correct _____ ; Incorrect ___ .
7. Check Sweep Jitter
Page 5-7
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