LeCroy Waverunner2 LT262 Series User Manual

5-10 Performance Verification Rev. D
5.6 Noise
Noise tests with open inputs are executed on all channels for both 1M
Ω
and 50
Ω
input
impedance, with AC and DC input coupling, 0 mV offset, at a gain setting of 5mV/div.,
and different Time base settings.
The scope parameters functions are used to measure the RMS amplitude.
5.6.1 Rms Noise
Test limits
0.5 mV rms at 10 mV/div LT37x
0.45 mV rms at 10 mV/div LT354, 26x.
Procedure
a. DC 1M
Ω
ΩΩ
Ω
With no signal connected to the inputs
!
Recall
xxxP012.PNL
or configure the DSO :
Panel Setups :
Recall FROM DEFAULT SETUP
Channels Trace ON
Channel 1, Channel 2, Channel 3 & Channel 4
Input Coupling :
DC 1M
Ω
ΩΩ
Ω
on all 4 Channels
Input gain :
10 mV/div.
on all 4 Channels
Trigger setup :
Edge
Trigger on :
1
Coupling 1 :
DC
Trigger Mode :
Auto
Time base :
20 msec/div.
Channel use :
4
Record up to
:
50 k Samples
Press :
WAVE PILOT
Measure :
MEASURE
Mode :
Custom
Statistics :
On
Change parameters
Category :
All
On line 1 :
Measure sdev of Ch1
On line 2 :
Measure sdev of Ch2
On line 3 :
Measure sdev of Ch3
On line 4 :
Measure sdev of Ch4
On line 5 :
no parameter selected for line 5

LeCroy Waverunner2 LT262 Series Specifications

General

Brand	LeCroy
Model	Waverunner2 LT262 Series
Category	Test Equipment
Language	English