Tektronix 547 Calibration Procedure

1.
\.
,
I',
l
*
TB 9-6625-1277-50
DEPARTMENT OF THE ARMY TECHNICAL BULLETIN
SECTION I.
II.
III.
IV.
CALIBRATION PROCEDURE FOR
OSCILLOSCOPE,
TEKTRONIX TYPE 547
Headquarters, Department of the Army, Washington, D .C.
14 December 1973
Paragraph
IDENTI FICATION AND DESCRIPTION
Test instrument identification . . .. . ... . . . . . .. . . ... . . ...... . .. . 1
Calibration data card (DA Form 2416) . ..... . . . . .. ... .. ... . ... .. . . .... 2
Reporting of errors . ... ... .. .. . .... .. . .. .. .. . . . . ... . . .. . . .. . . .. . . ..
3
Calibration descript ion . _ ... . . . .. ....... . . . . .. .. ... .. ... . , _ ..
4
EQUIPMENT REQUIREME NTS
Equipment required . .. . . . ... . ... .. . . . . . . .. ... .. . ... . . . . . . . .. . . . . . .
5
Accessories required . . . .. ... .. ... . .... . . . . . ... ... .. .. . .. .. . . . .... .
6
PRELIMINARY OPERATIONS
Preliminary instructions . ... ... . ... . .. . . . . . ... .. ... . . . .. . . . ... . . .. .. 7
Equipment setup . . . . . ... . . . . . ... .. .. . ... . . ....... .. .. . .. ...... . ... 8
CALIBRATION PROCESS
Calibration accuracy and rcgula tion ... . ...... . .. . .. . . . .. . ... ... . . . .. .
9
Trace rotation ... .. . . ...... . . . . ... .. .. .. .. ... . .. . .. . . .... . _
. 10
CRT geometry . ... . . .. . . .. . . ... ... . . ...... . .... . ... . . . . . .. ... . . . .. 11
•Vertical de balance . .. .. . . . . . ... . . . . .... . ...... . .... . . . ... .... . .... 12
Vertical gain . . . . . . __ _ . . .. .. . .... . ___ . ... . . ... .. . . . . . ..... ... . . 13
Common-mode rejection ... . _ ..... . . .. . . .. __ .. . . . _ ...... .. _ . 14
Time base A triggering level centering and trigger sensitivity . . . . . .. . . . 15
Ti me base
A
triggering stabili t:v . ... .. . . . _ . . . . . . . . . . . . . . . . .. ..
16
Time base A triggering level con trol ... .. .. . . .... ... . . . . .. .. . .. .. ... 17
Time base
B
triggering level cen tcring and triggering sens itivity .. .. .. . . 18
Time base
B
triggering stability . . . . . . . . . . . . . . . . . . . . . . . . . ... .. .. . .
19
Time base
B
triggering level con trol . . .. . _ . . . .. . .. . . . . ... ... . . . .... . 20
Horizontal sweep magnifier registration . . . . . . . . . . . . . . .. . . . . . . 21
XlO
and
Xl
magnifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... 22
B
sweep length . . . __ . . . . . . . _ . . . . . . . . . . .. . .. ... .. . .. 23
B
variable (time/cm) and uncalibrated neon . .... .. . . ... . . . . . . .. . . . . .. 24
Delay start and delay stop . . . . .. . . . . ... . .. ... . .... .. . . . ... .. .. . 25
B
sweep generator unblanking compensation . . . .... .. . : . . . . . .... . .. . 26
10 µS EC
B
s weep-rate timing ... .. . ... .. .... .... . .... . . ... . . . .. . .. . 27
1 µSEC B sweep-rate
timing . .. ... ... . . . .. . . . .... . . .. . . . . .. . .. ... . . . 28
0.5 1-LSEC
B
sweep-rate ti ming . .. . .. . . . . . . .... . . .. . .. . . . ... .. . .. . . . . 29
B sweep output compensation to cr t . . . .. .. .. . .... . . . .. . ... . . . .. . . . . 30
0.21-LSEC/cm sweep rate .... . . ... .. .... . .. . . .. . .. . . . . . .... .... _ .. . 31
I
J.This bulletin supersedes TB 9-6625-1277-50, 28 June 1968, including all changes.
Page
2
2
2
2
3
3
4
4
5
7
7
7
7
8
8
8
9
9
9
10
10
10
11
11
11
11
12
13
13
13
14
I