Performance Verification
5-23
5.6.3 Ground Line Test
Specifications
±
5
% of full scale at 2 mV/div.
±
3
% of full scale at 5 mV/div.
±
2
% of full scale at 10 mV/div. and above.
Procedure
The stability of the ground line is verified for each channel at each fixed gain.
The measured average values are checked against the desired limits.
a.
DC 1M
Ω
Ω
Ω
Ω
With no signal connected to the inputs
!
Recall
LC564D029.PNL
or configure the DSO :
Channels Trace ON
Channel 1, Channel 2, Channel 3 & Channel 4
Input Coupling
:
DC 1M
Ω
Ω
Ω
Ω
on all 4 Channels
Input gain
:
from
2mV/div
to
1 V/div. (see Table 6)
on all 4 Ch
Offset
:
Zero
on all 4 Channels
Trigger on
:
Channel 1, DC
Trigger mode
:
Auto
Time base
:
0.5
µµµµ
sec/div.
Channel use
:
4
Record up to
:
50 k
Channels Trace OFF
Channel 1, Channel 2, Channel 3 & Channel 4
Zoom+Math Trace ON
A, B, C & D
Select Math Setup
For Math
:
Use at most 5000 points
Redefine A, B, C, D
Channel 1, Channel 2, Channel 3 & Channel 4
Use Math ?
:
Yes
Math Type
:
Average
Avg. Type
:
Summed
For
:
100 sweeps
Press
:
Cursors/Measure
Select
:
Parameters
Mode
:
Custom
Statistics
:
off
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 ...