[Test-Equipment] Calibrating FM modulation Monitors with Bessel Function

[Sheldon Daitch]

A Tektronix booklet on spectrum analysis use
discusses using the second carrier null
of with a 13.5858 kHz tone to define 75 kHz deviation.

One source of the file is:

http://home.comcast.net/~ralphdmiller/SpecAn_Fundamentals.pdf

See page 23.

there may be other sources for this booklet.

73
Sheldon
WA4MZZ