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1.8m QV satellite communication antenna

1.8m QV satellite communication antenna
1.8m QV satellite communication antenna
1.8m QV satellite communication antenna

Description

Reviews

Antenna function 

a. Receive satellite downlink Q band signal;

b. Transmit satellite V band signal;

c. Manual control and step tracking function;

d. Have complete and reliable security measures and work instruction measures;

e. With parameter configuration, equipment status collection and automatic reporting functions;

f. With local control and remote control capabilities

Provide test and measurement interface for antenna RF system.

Electrical performance

a. Working frequency:

Tx: 4651.5GHz

Rx: 37GHz42.5GHz

b. Polarization mode: Rx is LHCP and Tx is RHCP.

c. Withstand power: each transmitting port is not less than 100W continuous wave.

d. Antenna noise temperature (LNA input port, ambient temperature 23℃, clear sky, breeze, elevation angle30 degrees): ≤150K

e. Sidelobes characteristics:

First sidelobe≤-14dB (AZ)

≤-14dB (EL)

f. Far sideobes conform to ITU-RS.580-4;

g. Antenna gain:

Tx: G≥55.94+20log (f(GHz)/48)dBi (feed input port)

Rx: G≥54.36+20log (f(GHz)/40)dBi (LNA input port)

h. Axial ratio: ≤1.5dB

i. Port isolation: Rx-Tx ≥ 85dB in Rx band, Rx-Tx ≥ 85dB in Tx band;

j. VSWR input/output: ≤1.5: 1.

k. Interface:

Tx: BJ500 (Feed input port with sealing ring)

Rx: BJ400 (Feed output port with sealing ring)

Mechanical performance

a. Antenna diameter: 1.8m;

b. Mount type: AZ/EL;

c. Travel range: AZ continuous 0180°, EL continuous 5°90°;

d. Main reflector R.M.S: better than 0.18mm (RMS);

Subreflector R.M.S: better than 0.1mm (RMS)

Environmental adaptability

a. Equipment:

Outdoor: working temperature: -30+55℃; storage temperature:-55+75℃;

Indoor:working temperature:0°C+40°C;storage temperature:- 50°C+70°C;

b. Humidity requirement: relative humidity of outdoor equipment≤99%(homoeothermy);

c. Wind resistance capacity of equipment: Level 10 can work, level 12 can not be damaged;

d. Equipment three-proof requirements: have the ability to prevent rain, water, mist, salt spray corrosion, and sand and dust;

e. Rain-resistant conditions: Rainfall ≤30mm/hr, it should work normally

f. Seismic requirements: resist 8 magnitude earthquake without damage;

g. Other environmental requirements: Waterproof, anti-acid and alkali, and anti-corrosion capabilities.

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