Tektronix
Ckt. No.
Part Number
R428 †
309-432
R429 †
311-017
R433 †
311-243
R434 †
301-272
R435 †
311-125
R440 †
*312-583 ††
R441 †
302-102
R443 †
301 -564
R444 †
309-049
R447 †
301-273
R448 †
301-472
R450 †
306-473
R451 †
302-102
R452 †
309-414
R453 †
306-153
R454 †
301-303
R455 †
311-067
R456 †
311-084
R457 †
301-223
R458 †
301-223
R461 †
302-102
R462 †
309-414
R464 †
301-303
R465 †
Use 301-565
R466 †
311-028
R467 †
Use 301-565
R468 †
302-103
R469 †
302-103
R470 †
309-195
R471 †
302-102
R472 †
304-223
R473 †
302-102
R474 †
305-273
R475 †
Use 306-333
R476 †
306-273
R478 †
302-472
R479 †
302-472
R480 †
309-195
R481 †
302-102
R482 †
304-223
R483 †
302-102
R484 †
305-273
R48 5†
Use 306-333
R486 †
306-273
R487 †
311-399
† There are two parts of this description in your instrument; one in each of the Vertical
†† R41 0 and R440 are a matched pair.
Resistors
(continued)
Description
82.5 k
½ W
10 k
.1 W
50 k
2.7 k
½ W
50 k
.2 W
1 meg
½ W
1 k
½ W
560 k
½ W
150 k
½ W
27 k
½ W
4.7 k
½ W
47 k
2 W
1 k
½ W
5 meg
½ W
15k
2 W
30 k
½ W
5 k
.2 W
1 k
.2 W
22 k
½ W
22 k
½ W
1 k
½ W
5 meg
½ W
30 k
½ W
5.6 meg
½ W
2 x 100 k
2 W
5.6 meg
½ W
10 k
½ W
10 k
½ W
90 k
½ W
1 k
½ W
22 k
1 W
1 k
½ W
27 k
2 W
33 k
2 W
27 k
2 W
½ W
4.7 k
4.7 k
½ W
90 k
½ W
1 k
½ W
22 k
1 W
1 k
½ W
27 k
2 W
33 k
2 W
27 k
2 W
7k
Furnished as a unit.
Prec.
Var.
V R. DC B L.
Var.
DC B L.
Var.
.2 MV/CM DIFF. B L.
Prec.
Prec.
Prec.
Var.
FEEDB CK B L.
Var.
.2 MV/CM G IN
Prec.
Var.
POSITION
Prec.
Prec.
Var.
V RI BLE (Sensitivity)
mplifiers,
Parts List — Type 502A
S/N Range
1%
5%
1%
5%
1%
5%
5%
1%
5%
5%
5%
1%
5%
5%
5%
1%
5%
1%
5%
6-27
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