Positioning, Electrical characteristics – ORBIT FR Professional GALILEO, GPS Terminal Antennas User Manual

Page 2

Positioning

Electrical characteristics

Part number

ANTE 005-A

Operational frequency bands

B1 Galileo/GPS: 1575.42 ± 20.46 MHz

(GPS L1 C/A, GPS L1 P(Y), GAL L1F, SBAS L1)

B2 Galileo/GPS/GLONASS: 1227.60 ± 61.38 MHz

(GPS L5, GPS L2C, GPS L2 P(Y), GAL E5a,

GAL E5b, SBAS L5, GLO L2 C/A, GLO L2 P, GAL E6C)

Option:

reduced B1 and/or B2 bands

Polarization*

Right hand circularly polarized

Coverage*

Maximized within a conical coverage up to 85 degrees from zenith

Gain antenna (without LNA)*

> +5 dBi at zenith

> 0 dBi from 25 deg to 90 deg elevation

> -6 dBi from 5 to 25 degrees elevation

< -6 dBi below 5 degree elevation

Gain*

LNA gain > 25 dB

Gain antenna with LNA > 30 dB

Axial Ratio*

< 7 dB between 5 and 10 degrees elevation

< 5 dB between 10 and 30 degrees elevation

< 3 dB between 30 and 60 degrees elevation

< 2 dB above 60 degrees elevation

Phase center knowledge accuracy*

Within 5 mm radius

Phase center stability

< 0.5 mm radius for E5 and E6 Galileo, L5 and L2 GPS

< 1.0 mm radius for L1 Galileo, L1 GPS

Group delay variation

< 6 ns for E5 and E6 Galileo, L5 and L2 GPS at fi xed temperature

< 14 ns for L1 Galileo, L1 GPS at fi xed temperature

Group delay stability*

< ± 300 ps at a given frequency point over temperature

Signal to noise density ratio*

C/No

≥ 35 dBHz at E5, E6 or L1 Galileo and L5, L2, L1 GPS reference conditions

LNA 1dB compression point*

≥ 18 dBm

LNA Output 3

order intercept*

≥ 20 dBm

LNA Burn-out protection (CW)*

Antenna system able to withstand with no damage an in-band +20 dBm CW signal

LNA Burn-out protection (In-band Pulse)*

Antenna system able to withstand with no damage an in-band

pulsed interference with the following characteristics:

• Pulse peak power: +30 dBm

• Pulse max width: 1ms (max duty cycle of 10%)

(*) Applicable to each of the Galileo and GPS frequency bands (Galileo E5, Galileo E6, Galileo L1, GPS L5, GPS L2 and GPS L1)

ENVIRONMENTAL TESTING:

• Thermal cycling test performed according to the norm IEC 60068-2-14.

• Sine vibration test performed according to the norm IEC 60068-2-6.

• Random vibration test performed according to the norm IEC 60068-2-64.

• Free fall test performed according to the norm IEC 60068-2-32