The EMCON shroud shall have a
3.5.1 .4.1 Door and door operating mechanism.
hinged door at the forward end and an opening - closing - locking mechanism
suitable for opening or closing the door and locking it in both the closed and
The shroud shall have fingerstock which, when
188.8.131.52.2 RFI finger stock.
the door is closed, shall contact a mating surface on the antenna of the
system under test; the fingerstock shall be arranged for 360 contact with
184.108.40.206.3 Strap assembly. The EMCON shroud shall contain a strap and handle
assembly (drawing 887AS520 of DL 91OAS1OO) for holding the shroud in place on
the unit under test and applying pressure to the shroud/antenna interface to
effect an EMI seal.
220.127.116.11.4 Electrical performance. When the shroud is attached to the
electronics assembly and strapped onto the unit under test, the shroud shall
reduce radiation from the tested antenna by at least 48 db at any (and all)
point(s) in space.
Heights shall be not greater than as specified in table II.
3.5.3 Content. The test set shall contain the major assemblies specified in
18.104.22.168 through 22.214.171.124.
126.96.36.199 Electronics assembly (91OAS3OO). The electronics assembly shall
contain the subassembli es specified in 188.8.131.52.1 through 184.108.40.206.
220.127.116.11.1 Chassis assembly (91OAS3O2). The chassis assembly shall contain
the printed circuit board, subcarrier oscillators, voltage controlled oscil-
lator, RF detector, battery pack, battery charger, 40 db attenuator, control
switches, indicator lamps and associated cables.
18.104.22.168.2 Case assembly (887AS340).
The case assembly shall contain the main
case for the electronics assembly, the radiate and receive antennas, RF
cables, radome and RF absorber material.
22.214.171.124 Plain shroud assembly (887AS400).
The plain shroud assembly shall
contain a housing, radome, RF absorber and antenna hood.