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Performance Verification
5-71
5.12
Time Base Accuracy
5.12.1 Description
An external sine wave generator of
0.1 MHz
with a frequency accuracy better than
1 PPM is used.
Specifications
500 MHz clock : accuracy :
≤≤≤≤
±±±±
0.001 % or
≤≤≤≤
±±±±
10 PPM
5.12.2
500 MHz Clock Verification Procedure
!
Recall
LC564D078.PNL
or configure the DSO
Panel Setups
:
Recall FROM DEFAULT SETUP
Channels trace ON
Channel 1
Input coupling
:
DC 50
Ω
Ω
Ω
Ω
Input gain
:
.1 V/div.
Input offset
:
0 mV
Trigger setup
:
Edge
Trigger on
:
1
Coupling 1
:
DC
Slope 1
:
Pos
Level 1
:
100 mV
Trigger mode
:
Norm
Delay
:
0 %
Time base
:
10
µµµµ
sec/div.
Channel use
:
4
Record up to
:
50 k
!
Connect the
RF output
of the HP8648B generator through a 5ns 50 Ohm BNC
coaxial cable into Channel 1.
!
Set the generator frequency to
0.1 MHz
.
!
Adjust the generator output amplitude
to get
5 divisions peak to peak .
!
Store Channel 1 in Memory 1
!
Recall
LC564D079.PNL
or make the following change :
!
Set Post-trigger delay to
50.00 msec
!
Recall Memory
1 to A
!
Press :
Cursors/Measure
Summary of Contents for LC564DL
Page 12: ...x Table of Contents ...
Page 18: ...2 4 General Information ...
Page 46: ...4 22 Theory of Operation 4 6 2 Power Supply Block Diagram ...
Page 59: ...Performance Verification 5 13 ...
Page 70: ...5 24 Performance Verification ...
Page 95: ...Performance Verification 5 49 ...
Page 115: ...Performance Verification 5 69 ...
Page 122: ...5 76 Performance Verification Figure 5 14 1MΩ Ω Ω Ω Rise time Equipment Setup ...
Page 148: ...6 14 Maintenance 6 6 4 Fan Problem ...
Page 149: ...6 6 5 Power Supply Voltages Problem Maintenance 6 15 ...
Page 150: ...6 16 Maintenance 6 6 6 Display Problem ...
Page 151: ...6 6 7 Front Panel Controls Do not Operate Maintenance 6 17 ...
Page 152: ...6 18 Maintenance 6 6 8 Remote Control GPIB or RS232 Problem ...
Page 153: ...6 6 9 Performance Verification Fails Maintenance 6 19 ...
Page 154: ...6 20 Maintenance 6 6 10 Floppy Disk Drive Problem ...
Page 155: ...6 6 11 Graphic Printer Problem Maintenance 6 21 ...
Page 156: ...6 22 Maintenance 6 6 12 Centronics Problem ...
Page 157: ...6 6 13 Hard Disk Drive Problem Maintenance 6 23 ...
Page 158: ...6 24 Maintenance ...
Page 181: ...Mechanical Parts 8 1 8 Mechanical Parts Figure 8 1 LC564DL Cabinet ...
Page 182: ...8 2 Mechanical Parts Figure 8 2 LC564DL Chassis Assembly ...
Page 184: ...8 4 Mechanical Parts Figure 8 3 Power Supply Installation ...
Page 185: ...Mechanical Parts 8 5 Figure 8 4 Lower Cover Assembly ...
Page 187: ...Mechanical Parts 8 7 Figure 8 5 Lower Cover Assembly with CKTRIG Option ...
Page 188: ...8 8 Mechanical Parts Figure 8 6 Lower Cover ...
Page 190: ...8 10 Mechanical Parts Figure 8 7 CKTRIG Option ...
Page 191: ...Mechanical Parts 8 11 Figure 8 8 Rear Panel Assembly ...
Page 193: ...Mechanical Parts 8 13 Figure 8 9 900079 Main Board Assembly ...
Page 194: ...8 14 Mechanical Parts Figure 8 10 900079 Main Board Assembly ...
Page 196: ...8 16 Mechanical Parts Figure 8 11 Upper Shield Assembly ...
Page 197: ...Mechanical Parts 8 17 Figure 8 12 Front Frame Assembly ...
Page 199: ...Mechanical Parts 8 19 Figure 8 13 Keypad Assembly ...
Page 200: ...8 20 Mechanical Parts Figure 8 14 Fan Assembly ...
Page 202: ...8 22 Mechanical Parts Figure 8 15 Graphic Printer Assembly ...
Page 203: ...Mechanical Parts 8 23 Figure 8 16 Upper Cover Assembly ...
Page 205: ...Mechanical Parts 8 25 Figure 8 17 Hard Disk Assembly ...
Page 206: ...8 26 Mechanical Parts Figure 8 18 Centronics VGA Interface Assembly ...
Page 207: ...Mechanical Parts 8 27 Figure 8 19 Floppy Disk Assembly ...
Page 209: ...Mechanical Parts 8 29 Figure 8 20 LC564DL Dimensions ...
Page 210: ...8 30 Mechanical Parts Figure 8 21 LC564DL Packaging ...