HP 8590 E & L Series Spectrum Analyzers and HP 8591C Cable TV ...

MKNOISE
Marker Noise
Displays the average noise level at the marker.
Syntax
Restrictions: Not available with the marker table (MKTBL).
Equivalent Softkey: MK HfXSE ON OFF .
Related Commands: MKA, MKF, MKMIN, MKN.
Example
OUTPUT 718;"IP;CF 300MHZ;SNGLS;"
OUTPUT 718;"SP 1OMHZ;DET SMP;TS;"
OUTPUT 718;"MKPK HI;MKA?;"
ENTER 718;Amp-one
OUTPUT 718;"MKD UP;UP;MKNOISE ON;MKA?;"
ENTER 718;Amp,two
OUTPUT 718;"MKNOISE OFF;"
DISP Amp-two
C-to,n=Amp-one - Amp-two
PRINT "CARRIER TO NOISE RATIO IN 1 HZ
BANDWIDTH IS ";C-to-n
PRINT ' DB"
5-344 Programming Commands
Initializes spectrum an&y- changes center
frequency, activates single-sweep mode.
Changes span, activates sample detecto?
updates trace.
Places marker on highest point of trace,
queries marker amplitude.
Pats the spectrum analyzer response in the
computer variable, Amp-one.
Moves marker and turns on the marker
noise function.
Puts the spectrum analyzer response in the
computer variable, Amp-two.
Turns ofl the marker noise fin&ion.
Displays the result.
Calculates the carrier to noise ratio.
Outputs result.