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

MVS (MDS)       Minimum visible signal (minimum discernable signal) (dBm) NATO                  North Atlantic Treaty Organization

NAVSEA            Naval Sea Systems Command

NDI                                  Non-developmental Item

NTIA                   National Telecommunications and Information Administration

PRF                      Pulse repetition frequency (Hz) RF                        Radio Frequency

RSM                     Radar Spectrum Management STANAG            Standardization Agreement VSWR                 Voltage standing-wave ratio

3.3  Symbols.  The symbols used in this standard are defined as specified below: A        Attenuation (dB)

Alpha factor = pulse versus CW sensitivity of a receiver (dB)

R                                         Alpha factor for radar signal received (dB)

AS                                         Attenuation of signal sampling device, main line to sample port, (dB)

B                           Frequency bandwidth (MHz)

B (x)dB

Bc

Bandwidth at (   x) dB response level (MHz)

Bandwidth of the frequency deviation. (T he total frequency shift during the pulse duration in MHz)

Bd                                         Bandwidth of the frequency deviation (peak difference between instantaneou s frequency of the modulated wave and the carrier frequency)      (FM/CW radar systems), in MHz

BFSVM

Frequency selective voltmeters bandwidth (MHz)

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