MIL-STD-469 Radar Engineering Interface Requirements, Electromagnetic Compatibility See Notice 1 For Replacement InformationThis standard establishes the engineering interface requirements to control the electromagnetic emission and susceptibility characteristics of all new military radar equipment and systems operating between 100 megahertz MHz, and 100 gigahertz GHz, to ensure EMC in all intended operational environments, and to conserve the frequency spectrum available to military radar systems.

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MIL-STD-469B

BNOM

Nominal bandwidth (spectrum analyzer) at 3 dB points (Hz)

Maximum range over which the carri er frequency will be shifted for a frequency hopping radar (MHz)

BW Bandwidth of test instrument (MHz)

d Pulse compression ratio dB Decibels

dBm Decibels referenced to one milliwatt

dBi Decibels gain referenced to isotropic radiator

D Antenna aperture dimension (meters)

erf Error function

F Frequency

Fco FLO fMOD fN

Waveguide cutoff frequency (MHz) Receiver local oscillator frequency (MHz)

Modulation rate (in frequency modulation) (MHz/sec)

Frequency separation between first null points, above and belowof , in radar signal frequency spectrum (MHz)

FH FL FM

FMAX FMIN Fo

High standard test frequency (MHz) Low standard test frequency (MHz) Mean standard test frequency (MHz) Maximum test frequency (GHz)

Minimum test frequency (GHz) Radar fundamental frequency (MHz)

Sweep width (Hz)