MIL-DTL-28837C
c. ASSIST Online database at https://assist.daps.dla.mil/ should be cited in the solicitation, and if required,
the specific issue of individual documents referenced (see 2.1).
d. Additional special marking, if required.
e. Packaging (see 5.1).
6.2.2 Mixers not covered by specification sheets:
a. Title, number, and date of this specification.
b. Information pertaining to inspection (see 3.2).
(1) The laboratory at which the inspection is to be performed (see 4.5).
(2) Submission of samples and data (see 4.5).
c. Applicable design and construction requirements (see 3.5).
d. Additional special marking, if required.
e. Packaging (see 5.1).
6.3 Qualification. With respect to products requiring qualification, awards will be made only for products which are,
at the time of award of contract, qualified for inclusion in Qualified Products List QPL No. 3928 whether or not such
products have actually been so listed by that date. The attention of the contractors is called to these requirements,
and manufacturers are urged to arrange to have the products that they propose to offer to the Federal Government
tested for qualification in order that they may be eligible to be awarded contracts or orders for the products covered
by this specification. Information pertaining to qualification of products may be obtained from DLA Land and
Maritime, Code VQE, P.O. Box 3990, Columbus, OH 43218-3990 (mail to: vqe.chief@dla.mil). An online listing of
products qualified to this specification may be found in the Qualified Products Database (QPD) at
6.4 Symbols.
LO: Frequency of the local oscillator.
RF: Frequency of the RF oscillator.
IF: Intermediate frequency.
PL: Power of local oscillator input to mixer expressed in dBm.
PV: Power input to voltmeter expressed in dBm.
PF: Power attenuation to filter, expressed in dB.
PR: Power of RF source input to mixer expressed in dBm.
PL: Power of LO source input to mixer expressed in dBm.
SSB: Single side band.
NF: Noise figure.
6.5 Subject term (key word) listing.
attenuator
intermodulation
single side band
balanced
isolation
socket pins
beryllium copper
leakage
solderability
coaxial connector
local oscillator
VSWR
conversion loss
modulators
waveguide
hermetic
noise figure
waveguide flanges
insertion loss
power attenuator
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