am pli tude is iden ti cal in both chan nels and is set by the Chan nel A Am pli tude
field at the left of the panel. If Track A is un checked, a Chan nel B Am pli tude
field ap pears at the right of the panel, and the am pli tudes of the two chan nels
can be var ied in de pend ently.
Change the Chan nel A Am pli tude to 0.5 V by click ing in the Am pli tude
field on the An a log Gen er a tor panel, typ ing 0.5, and pressing En ter. The level
me ter read ing on the An a log An a lyzer panel will change. (You will also hear
re lays click if the sys tem needs to change the an a log range.) Now uncheck
Track A and set the chan nel B am pli tude to 10 V. The level me ters on the An a -
lyzer panel will show the dif fer ent lev els. Both fre quency me ters, how ever,
will show the same fre quency. This is be cause the Sine: Nor mal wave form
gen er ates iden ti cal fre quen cies in the two chan nels.
The Sine (D/A): Ste reo wave form, which is ob tained by choos ing Sine (D/
A) from the left-hand wave form field and Ste reo from the right-hand wave -
form field, can gen er ate in de pend ent fre quen cies in the two chan nels. You can
ver ify the fre quency in set each chan nel by re fer ring to the fre quency me ters
on the An a log An a lyzer panel.
Units
Set tings and read ings con sist of a value and a unit. The 2700 se ries can con -
vert the units of a set ting or read ing to a re lated unit. For in stance, the an a log
gen er a tor am pli tude can be set in Vp (volts peak), dBV (deci bels rel a tive to
1 V), and sev eral other units. Sim i larly, read ings can be dis played on a me ter
in any of the re lated units.
The list of units for a set ting or read ing can be viewed by click ing the
down ward-pointing ar row next to the set ting or read ing field. For in stance, the
list of units for the an a log gen er a tor am pli tude can be dis played by click ing on
the ar row next to the Am pli tude field on the An a log Gen er a tor panel. The con -
trol soft ware dis plays the value cur rently in the field, con verted to each avail -
able unit. By click ing on the list, you can choose a set ting unit.
As an ex am ple, if the am pli tude is set to 1 Vrms, the drop-down list in -
cludes con ver sions such as 1.414 Vp and 2.220 dBu. If you click on the line
dis play ing the am pli tude in Vp, the set ting changes to 1.414 Vp. The gen er a tor
am pli tude has not changed; the set ting is dis played in a dif fer ent unit. You can
now set the gen er a tor am pli tude in Vp.
Some units, such as dBr, de pend on a ref er ence set in a ref er ence field, such
as those at the bot tom of the large views of the An a log Gen er a tor or An a log
An a lyzer panels. Re fer to Ap pen dix A of the 2700 Se ries User’s Man ual for
more in for ma tion about units of mea sure ment.
Chapter 5: Quick Guides The Analog Signal Path
38 Getting Started with Your 2700 Series Instrument
To Next Page
Loading...
Need help?
General
