Performance Check—4 5 5 /A 2 /B 2
j. CHECK—Display is triggered along negative-going
slope o f waveform as B LEVEL control is rotated and is
not triggered (not visible) at either extreme o f B LEVEL
rotation.
NOTE
I f the 11th time m arker is n o t visible, set the A
T IM E /D IV switch one position counterclock
wise from the B T IM E /D IV switch. Example:
k. Disconnect test equipment.
A T IM E /D IV
1ms
B T IM E /D IV
0.5m s
21. A AN D B SWEEP RATE ACCURACY
a. Set:
A SOURCE
NORM
B SOURCE
STARTS AFTER
D E LA Y
A and B SLOPE
OUT: +
HORIZ DISPLAY
A
b. Connect test equipment as shown in Fig. 3-6.
c. CHECK—A T IM E /D IV accuracy according to Table
3-3. Incremental accuracy should be 1 time mark/division
w ithin 2% (within 0.2 div at the 11th graticule line).
d. Set HORIZ DISPLAY to B D LY 'D .
e. CHECK—B T IM E /D IV accuracy according to Table
3-3 (adjust A LEVE L control as needed fo r a stable display).
TABLE 3-3
A and B Timing Accuracy
A and B
Time-Mark
T IM E /D IV
Generator
Switch Setting
O utput
.05 jus
50 ns
.1
ps
0.1 jus
.2 jus
0.2 jus
.5 jus
0.5 jus
1 jus
1
JUS
2 jus
2 jus
5 jus
5 jus
10 jus
10 jus
20 jus
20 jus
50 jus
50 jus
.1 ms
0.1 ms
.2 ms
0.2 ms
TG501 OR
E Q U IV A L E N T
T IM E -M A R K
1907-13
Fig. 3-6. Time-mark generator test setup.
3-10
REV. A, O C T 1975
Summary of Contents for 455
Page 1: ...Tektronix 455 A2 B2 PORTABLE OSCILLOSCOPE WITH OPTIONS I N S T R U C T I O N M A N U A L ...
Page 9: ......
Page 13: ...455 A2 B2 x 455 A2 B2 Portable Oscilloscope ...
Page 61: ...Circuit Description 455 A2 B2 Fig 4 4 Channel switching gates REV A OCT 1975 4 9 ...
Page 66: ...Fig 4 6 Sweep generator 1C Function block diagram Circuit Description 455 A2 B2 ...
Page 80: ...Maintenance 455 A2 B2 BOTTOM FRAME Fig 5 7 VO LTS DIV switch disassembly 5 8 REV A OCT 1975 ...
Page 90: ...Maintenance 455 A2 B2 Fig 5 13 Troubleshooting chart 5 18 REV A O CT 1975 ...
Page 91: ...Maintenance 455 A2 B2 1907 1 A Fig 5 13 Troubleshooting chart cont REV A OCT 1975 5 19 ...
Page 132: ...Instrument Options 455 A2 B2 Option 7 Page 8 REV E AUG 1979 D C TO AC I NVERTER ...
Page 166: ...l 07 7 REV b NOV C M1 4 5 5 MAIN MODULE BLOCK DIAGRAM ...
Page 167: ...4 5 5 A 2 B 2 AS VERTICAL MODULE IR07 R8 RE V B M O ...
Page 168: ...I S 0 7 9 8 R E V B NOV IRT7 A2 VERTICAL MODULE BLOCK DIAGRAM ...
Page 169: ...REV B NOV 1977 Fig 9 2 A1 Partial Interface board compo ...
Page 170: ...455 A2 B2 Sea Parts List for serial number ranges tial Interface board component locations ...
Page 173: ...v I m B 2 HORIZONTAL MODULE BLOCK DIAGRAM ...
Page 174: ...455 A2 B2 REV B NOV 1977 Fig 9 3 A 1 Partial Interface board component locations ...
Page 182: ...455 A2 B2 Fig 9 4 A20 Vertical board component locations SN B0110 ...
Page 185: ...455 A2 S2 4 5 5 M A fN M O DULE ...
Page 187: ...455 A2 B2 Fig 9 5 A20 Vertical board component location SN B010100 B REV C NOV 1977 ...
Page 191: ...V O L T S 01 ...
Page 192: ...V O LT S Q IV S H O W N IN 57 H V ...
Page 198: ... U 1 X SlCjMAt TO P2 A4 h o p it MODULE SEE PARTS LIST FOR SEMICONDUCTOR TYPES f SWITCHING ...
Page 207: ...A 1 4 B T I M I N G S W I T C H B O A R D A13 A TIM ING SWITCH BOARD 1 9 0 7 3 ...
Page 209: ...4 5 5 A 2 B 2 B 2 h o r iz o n t a l m o d u l e R o i I 11 R E V C NOV IS77 ...
Page 213: ......
Page 214: ......
Page 216: ...A B T IM IN G S W IT C H INTERFACE C O N N E C T O R ...
Page 223: ... ...
Page 224: ...455 A 2 B 2 ...
Page 225: ... 455 A2 B2 ...
Page 226: ......
Page 233: ......
Page 234: ...455 A2 B2 ...