A.H. Systems SAS-585 운영 매뉴얼 - 페이지 7

{카테고리_이름} A.H. Systems SAS-585에 대한 운영 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. A.H. Systems SAS-585 13 페이지. Standard gain horn

A.H. Systems SAS-585 Standard Gain Horn Antenna

OPERATING INSTRUCTIONS

Once the antenna is mounted to a mast or tripod, connect a N-type coaxial cable

from the horn antenna to a receiver or RF generator. The cable should be matched

to 50 ohms, and it is recommended to use a high-frequency low-loss cable (i.e.,

SAC-18G-3 Low Loss cable). For certain applications where an increased dynamic

range is required, an optional preamplifier (PAM-0118P) may be used to increase

the total system sensitivity.

The antenna factor is used to convert the receiver reading to field intensity. In

measuring the field intensity with the standard gain horn antenna, add the antenna

factor to the receiver reading (dBuV). The antenna factor supplied with each antenna

is individually calibrated at 1 Meter using the three-antenna technique per ARP-958.

The 1-meter measurement point is measured from the aperture of the antenna.

ADDITIONAL NOTES

These waveguide horn antennas will respond well beyond their specified frequency

ranges. The operational range of the waveguides themselves dictates the specified

frequency range of the antennas.

The coax-to-waveguide adapter is the only power-limiting component on the

antenna and can be removed if high fields are desired.

As mentioned before, the standard gain horn antenna has an approximate 15 dB

gain with a 30-degree beamwidth. Other horn antennas are available with different

apertures and flare angles that will increase or decrease the gain of the antenna. As

the gain increases, the beamwidth will decrease. Call us with your specification and

discuss your needs with one of our design engineers.

REV A

CAUTION: Even though the horn antenna does not

have any ESD concerns, touching the horn antenna

while connected to a sensitive preamplifier may cause

damage to that device.