Adjustments—455/A2/B2
BG. BANDWIDTH CHECK
a. Set VERT MODE to CH 1.
b. Connect sine-wave generator output to CH 1 input
via 50
El
cable and 10X attenuator.
c. Set generator to 50 kHz reference frequency and ad
just output fo r 6 division display.
d. Increase generator freqeuncy to 50 MHz. Display
amplitude should be at least 4.2 divisions.
e. Set VERT MODE to CH 2.
f. Move sine-wave generator setup to CH 2 input. Set
generator to 50 kHz and adjust output fo r 6 division
display.
g. Increase generator frequency to 50 MHz. Display
amplitude should be at least 4.2 divisions.
N O TE
I f display a m plitude is less than 4 .2 divisions,
repeat step B5.
B7. CASCADED BANDWIDTH CHECK
a. Set VERT MODE to CH 1.
b. Connect 50
El
cable and 50
El
termination from CH 2
OUT connector (on rear panel) to CH 1 input connector
(50
El
termination at CH 1 connector).
c. Set generator to 50 kHz reference frequency and ad
just output fo r 6 division display.
d. Increase generator frequency to 20 MHz. Display
amplitude should be at least 4.2 divisions.
e. Disconnect test setup.
6-8
REV. A, OCT 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 ...