MIL-DTL-28839 Waveguides, Elliptical General Specification ForThis specification covers the requirements for flexible and semi-rigid waveguides with elliptical inside configuration \(see 6.1\).

Pages 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 11 - 12 - 13 - 14 - 15 - 16 - 17

MIL-DTL-28839B

4.6.8 Shock (specified pulse (see 3.11). Waveguides shall be tested in accordance with method 213,

a. Mounting: Unless otherwise specified (see 3.1), rigidly mounted to test platform.

b. Test condition letter: G.

c. Measurements after shock: VSWR and attenuation shall be measured as specified in 4.6.2 and 4.6.3,

respectively.

FIGURE 2. Attenuation test setup (or equivalent).

4.6.9 Moisture resistance (see 3.12). Waveguides shall be tested in accordance with method 106, MIL-STD-202.

The following details shall apply:

a. Initial measurements: Not applicable.

b. Polarization voltage: Not applicable.

c. Loading voltage: Not applicable.

d. Measurements after test: VSWR and attenuation shall be measured as specified in 4.6.2 and 4.6.3,

respectively.

4.6.10 Thermal shock (see 3.13). Waveguides shall be tested in accordance with method 107, MIL-STD-202.

The following details shall apply:

a. Special mounting: Not applicable.

b. Test condition letter: A.

c. Measurements before test: Not applicable.

d. Measurements after test: VSWR and attenuation shall be measured as specified in 4.6.2 and 4.6.3,

respectively.