Tektronix 310A, Instruction Manual, Page: 53 / 132

Performance Check/Calibration—Type 310A
3. C heck L o w -V o lta g e Power Supply Page 5-8
Regulation
O utput voltage tolerances over line voltage range (from
reference at center o f regulating range) .
Power supply REQUIREMENT: PERFORMANCE:
Voltage tolerance. Output voltage change.
150 volt ±4.5 volts -
v o lts
±100 vo lt ±3 volts .v o lts
±300 volt ±9 volts volts
4. Adjust High-Voltage Supply and Check Page 5-8
Regulation (R741)
REQUIREMENT: O utput voltage, —1675 volts ±49
volts. O utput level changes less than ±49 volts over line
voltage range.
P E R F O R M A N C E : O u tp u t v o lt a g e , -------- volts.
_____ volts change over line voltage range.
5. Check Low-Voltage Power Supply Ripple Page 5-9
REQUIREMENT: - 1 5 0 volt and ±100 volt, 10 m illi­
volts maximum ripple over line voltage range; ±300 vo lt, 40
m illivolts maximum ripple over line voltage range.
PERFORMANCE: —150 v o lt , ____ m illivolts maximum
ripple; ±100 volt, ______ m illivolts maximum ripple; ±300
v o lt ,___ m illivolts maximum ripple.
.6. Check/Adjust DC Balance (R344) Page 5-9
REQUIREMENT: Less than one division vertical trace
shift as the Variable VO LTS/D IV control is rotated
throughout its range.
PERFO RM ANCE:_____ division maximum shift.
7. Check/Adjust Preset Stability (R 126) Page 5-9
REQUIREMENT: Correct operation o f trigger circuit;
see procedure.
PERFORMANCE: Correct____ ; inco rre ct______
8. Check/Adjust Astigmatism (R750) Page 5-9
REQUIREMENT: Sharp, well defined display.
PERFORMANCE: C orrect____ ; incorrect_____
9. Check/Adjust CRT Alignm ent (Reposi- Page 5-9
tion CRT)
REQUIREMENT: Trace parallel to center horizontal
line w ithin 0.5 division/10 divisions.
PERFORMANCE: W ith in ____ division.
10. Check/Adjust Vertical Gain (R442) Page 5-12
REQUIREMENT: Five divisions vertical deflection at .1
VO LTS /D IV w ith 0.5-volt square-wave input.
PERFORMANCE: C orrect____ ; incorrect______
11. Check/Adjust Vertical Preamplifier Gain Page 5-13
(R322)
REQUIREMENT: Five divisions ±0.15 division vertical
deflection at .01 VO LTS /D IV w ith 50-m illivolt square-wave
input.
PERFORMANCE: Five divisions ± ____division.
12. C heck V e rtic a l Deflection Factor Page 5-13
Accuracy
REQUIREMENT: Vertical deflection factor w ithin 3%
o f VO LTS/D IV switch indication at all settings.
PERFORMANCE: C orrect____ ; incorrect (list excep­
tions) ______________________________________________
13. Check Variable Volts/Division Control Page 5-13
Range
REQUIREMENT: Continuously variable between the
calibrated settings o f the V O LT S /D IV switch.
PERFORMANCE: Correct _ _ _ ; in c o rre c t_____
14. Check Input Coupling Switch Operation Page 5-13
REQUIREMENT: Correct signal coupling in each posi­
tion o f the Input Coupling switch.
PERFORMANCE: C o rre c t____; incorrect______
15. Check Low-Frequency Linearity Page 5-14
REQUIREMENT: 0.1 division or less compression and
0.15 division expansion o f a center-screen two-division
signal when positioned to the vertical extremes o f the grati­
cule area.
PERFO RM ANCE:_______ division maximum compres­
sion; _ _ division maximim expansion.
16. Adjust Hum Balance (R470) Page 5-14
REQUIREMENT: Minimum hum.
PERFORMANCE: C orrect____ ; incorrect_ _ _ .
17. C heck/Adjust Volts/Division Switch Page 5-15
Series Compensation (C300, C303, C306,
C309, C310, C413)
REQUIREMENT: Optimum square corner w ithin 3%.
5-3