![background image](http://html1.mh-extra.com/html/one-audio-projects/ermsdcv2/ermsdcv2_user-manual_1634324001.webp)
USER MANUAL
USER MANUAL
ERMSDCV2
DC..1MHz RMS to DC converter, 85
dB Logarithmic output
voltmeter & 80dB 10Hz...100kHz low Noise Amplifier
ERMSDCV2_Manual.odt
OnEAudioProjects
www.oneaudio.net
Document Revision
Date
Modifications
Author
A
03/2011
Initial manual
ON
Contents
1)
What is it
?
.....................................................................................................................
2
2)
Instrument overview
......................................................................................................
2
2.1)
Functional diagram
.......................................................................................................................
2
2.2)
Front panel description
.................................................................................................................
3
(1)
Input coupling switch:
......................................................................................................................................................
3
(2)
RMS and logarithmic voltmeter input:
.............................................................................................................................
3
(3)
RMS/LOG voltmeter input overload led indicator
.............................................................................................................
3
(4)
LNA input overload led indicator
......................................................................................................................................
3
(5)
LNA input
.........................................................................................................................................................................
3
(6)
Power ON led indicator
....................................................................................................................................................
3
2.3)
Rear panel description
..................................................................................................................
4
(1)
LNA output
.......................................................................................................................................................................
4
(2)
DC supply input
...............................................................................................................................................................
4
(3)
Logarithmic voltmeter output
..........................................................................................................................................
4
(4)
RMS voltmeter output
......................................................................................................................................................
4
3)
RMS/DC and LOG voltmeter operation.
..........................................................................
5
4)
Low noise amplifier (LNA) operation.
.............................................................................
5
5)
Technical specifications
..................................................................................................
6
5.1)
True RMS voltmeter
......................................................................................................................
6
5.2)
Logarithmic voltmeter
..................................................................................................................
6
5.3)
80dB Low noise amplifier
.............................................................................................................
6
ERMSDCV2 front and rear panel view
Page 1/7