A.H. Systems AK-40G Panduan Pengoperasian - Halaman 8

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A.H. Systems AK-40G Antenna Kit

ASSEMBLY AND MOUNTING INSTRUCTIONS

E-FIELD ANTENNAS

SAS-510-2 Log Periodic Antenna 290 MHz - 2000 MHz

The log periodic antenna comes assembled and ready to use.

Mounting: Attach the antenna to the tripod azimuth and elevation head

through the screw hole in the antenna base. Connect a cable between the

antenna connector and the receiver. The log periodic beamwidth is 65

degrees and it should be pointed or aimed in the direction that the received

signal is coming from.

SAS-542 Biconical Antenna 20 MHz - 330 MHz

The biconical antenna consists of the SAS-542 balun assembly, two folding

biconical elements and a balun clamp.

Mounting: Attach the antenna balun clamp (ABC-B) to the top of the tripod

with the ¼-20 thread. Insert the antenna balun into the clamp and secure.

Screw the two biconical elements into the 'tee' end of the balun assembly.

Open the antenna elements completely and secure in open position by

tightening the knurled knobs in the element caps. Connect a cable between

the antenna connector and the receiver. The biconical beam pattern is similar

to a dipole response.

SAS-550-1B Active Monopole Antenna 10kHz - 60 MHz

The active monopole antenna consists of a ground plane upon which are

mounted a preamplifier with internal rechargeable battery pack for battery

operation, and a telescoping rod antenna.

Mounting: Mount the antenna on the tripod. Connect an external ground to

the ground plane if called out in test specification. Attach the telescoping rod

to the connector on the amplifier top and extend to desired length (typically

41" or 1 meter depending on test specification). Connect the output on

amplifier side to the receiver using a cable. Apply power to the antenna by

switching activating the power switch. If the Red LED does not illuminate then

the antenna will require charging. The active monopole antenna is omni-

directional.

SAS-571 Double Ridge Guide Horn Antenna 700MHz - 18 GHz

SAS-574 Double Ridge Guide Horn Antennas 18 GHz – 40 GHz

The SAS-574 horn antenna comes assembled and ready to use. The SAS-

571 antenna mounting bracket is attached to the antenna backwards to

protect the RF connector and fit in the carrying case. The bracket must be

removed from the antenna, turned over (so that the bracket leg faces away

from the antenna), and re-attached to the antenna. (The bracket is not

needed for mounting if the tripod being used has an Azimuth/Elevation Head.)

Mounting: Attach the antenna to the tripod azimuth and elevation head

through the hole on the antenna bottom or the hole in the mounting bracket.

The ridge guides determine the antenna polarity: for horizontal polarity they

should be parallel to the ground, for vertical polarity they should be