MIL-DTL-15370J
4.7.17 Vibration (see 3.11). Directional couplers shall be tested as specified in 4.7.17.1 or 4.7.17.2. When no
method is specified, directional couplers shall be tested as specified in 4.7.17.1.
4.7.17.1 High frequency (non-operating) (see 3.11). Directional couplers shall be tested in accordance with
method 204 of MIL-STD-202. The following details shall apply:
a.
Mounting of specimens: Couplers shall be attached to the vibration table by means of clamps. A clamp
shall be placed around the center of each coupler, and no part of the coupler shall touch any object other
than the clamp.
b.
Test condition: D.
c.
Resonance: There shall be no resonances at or below 40 hertz (Hz).
4.7.17.2 Random vibration. Directional couplers shall be tested in accordance with method 214 of MIL-STD-202,
test condition F for 15 minutes duration, mounted by normal means.
4.7.18 Shock (see 3.12). Directional couplers shall be tested as specified in 4.7.18.1, 4.7.18.2, 4.7.18.3, or
4.7.18.1 Coaxial and dual-in-line types. Directional couplers shall be tested in accordance with method 213 of
MIL-STD-202, test condition H, mounted by normal means.
4.7.18.2 Header and TO types. Directional couplers shall be tested in accordance with method 213 of
MIL-STD-202, test condition C, mounted by normal means.
4.7.18.3 Flat pack type. Directional couplers shall be tested in accordance with method 213 of MIL-STD-202, test
condition F, mounted by normal means.
4.7.18.4 Waveguide type. Directional couplers shall be tested in accordance with method 213 of MIL-STD-202,
test condition I, mounted by normal means.
4.7.19 Acceleration (see 3.13). Unless otherwise specified (see 3.1), directional couplers shall be tested in
a.
Mounting: Mounted by normal means.
b.
Test condition: A, with 100 g level.
4.7.20 Seal (see 3.14).
4.7.20.1 Hermetic seal. Hermetically sealed items shall be tested in accordance with method 112 of MIL-STD-202,
test condition D.
4.7.20.2 O-ring seal, solder seal, or encapsulated seal. O-ring sealed, solder sealed, or encapsulated sealed
4.7.20.3 Cover seal. Cover sealed items shall be tested in accordance with method 103 of MIL-STD-202.
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