Anritsu ML2400A Series - 4-4 SENSOR MENU

4-4 SENSOR MENU The Sen sor menu has con trols for sen sor data proc ess ing.
NOTE
When ed it ing an en try in a menu, press ing the
CLR key
clears the dig its. If in a menu screen, press ing the
CLR
key re turns to the pre vi ous menu level.
Setup Se lects the data ac qui si tion con trols for the sen sor. The fol low ing sub menus
are dis played.
SEN SOR Model ML2408A (dual chan nel) only. Se lect the sen sor to be con -
fig ured. Tog gles be tween Chan nel A and Chan nel B for all sub -
menu func tions.
SET TLE %
[SENSTL]
Set tle % per read ing is avail able when the sen sor mode is set to
De fault. The set tling time al lows some con trol over the trade off
be tween speed and the ex tent to which a mea sure ment has set -
tled to its fi nal value. A 1% set tling value re lates to ap prox i -
mately 0.04 dB, 0.5% re lates to 0.02 dB and 0.25% to 0.01 dB.
The de fault value af ter a sys tem pre set is 0.1%, or about 0.004
dB. In creasing the Set tle per cent to 1% or more will sub stan tially
in crease mea sure ment speed.
In CDMA Read out mode, set tle % is set to AUTO and can not be
changed.
MODE
[SENMM]
Se lect ei ther De fault, Modulated Av er age, or Cus tom.
De fault is the sen sor mode set ting fol low ing sys tem pre set. It is
the ML2400A Se ries sim plest op er at ing mode. Meas ure ment
speed is auto mati cally ad justed ac cord ing to sen sor re sponse
times and the user- adjustable Set tling %. Trig ger ing con trols, ex -
cept for GPIB trig ger, are dis abled when the sen sor mode is set to
De fault. This is in tended to sim plify ba sic power meas ure ment by
avoid ing the ne ces sity of spe cific trig ger set tings.
Modulated Av er age mode is used to sta bi lize the front panel digi -
tal read out. It is a spe cial ized sen sor mode for ei ther MA2440A or
MA2470A Se ries power sen sors. These sen sors are fast enough to
de modu late the am pli tude modu la tion of many RF test sig nals.
The Mod Av er age sen sor mode is un nec es sary for ther mal power
sen sors.
The Cus tom sen sor mode per mits the high est meas ure ment
rates. Trig ger con trols are avail able with this sen sor mode. Trig -
ger De lay (the time be tween the ML2400A Se ries re ceipt of a
valid trig ger event and the start of sam ple in te gra tion) and Gate
Width (the du ra tion of sam ple in te gra tion) con trols are lo cated in
the Trig ger menus.
ML2400A OM 4-5
OPERATION SENSOR MENU
NOTE
SET TLE% af fects
GPIB speed. Con sider
this when op ti miz ing
GPIB per for mance.
NOTE
The MODE se lec tion is
not avail able in Pro file,
Source Sweep or
CDMA modes .
NOTE
When mea sur ing mod -
u lated sig nals with a di -
ode sen sor, en sure
Mod u lated Av er age is
se lected or mea sure -
ment er rors may re sult.