User Manual LW120
NONE
– No filter is selected
25M
– 25 MHz filter is selected
50M
– 50 MHz filter is selected
ALL
– Both 25 MHz and 50 MHz are connected in series
If you do not plan on using the filters, make sure that you leave the
selection NONE. This will eliminate confusing setting conflicts
!
50
TTL
POWER
I
0
OUTPUT
LeCroy
MODEL
100 MS/s ARBITRARY WAVEFORM
!
50
CHAN
1
SYNC
CHAN
2
RESET
CURSOR
MAN
TRIG
TRIGGER
AMPLITUDE
FREQUENCY
UTILITY
WAVEFORM
2
1
Figure 3-15. Selecting the Filters Menu
Outputs
Æ
SYNC Out
Æ
Filters
Æ
!
50
TTL
POWER
I
0
OUTPUT
LeCroy
MODEL
100 MS/s ARBITRARY WAVEFORM
!
50
CHAN
1
SYNC
CHAN
2
RESET
CURSOR
MAN
TRIG
TRIGGER
AMPLITUDE
FREQUENCY
UTILITY
WAVEFORM
3
3
4
Figure 3-16. Selecting Filters
Filter CH1 ALL
Filter CH2 25M
Back
Selecting the
SCLK Source and
Reference
In cases where synchronization to other instrument in the system is
needed, you may use the rear panel SCLK input for replacing the
internal sample clock generators. The external sample clock input
accepts ECL level signals, terminated to –2V into 50
Ω
.
There are two sample clock reference options available with the
LW120: 100ppm comes as standard and 1ppm can be ordered as an
option. The External reference input is available for applications
Using The Instrument 3-19