AdvanceTec AdvanceMobile VX1, Инструкция по установке и эксплуатации

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19
GPS Antenna Connection

SMA (Sub Miniature A) connection with a male center contact. Use this
contact for the GPS Antenna provided with the unit.

50 Ohms impedance
GPS Antenna Spec.
Patch

Center Frequency 1575.42 ± 1.023 MHz (when covered with a radome
and measured by LNA ground plane)

Bandwidth (10dB return loss) 10 MHz min

Gain at Zenith 1dB type

Gain ay 10° elevation ‐ 5 dBic type

Polarization R.H.C.P.

Axial Ratio 5.0 dB type
Filter / LNA

Center Frequency 1575.42 ± 1.023 MHz

Gain 30~37 dB (pc:3V/32dB)

Noise Figure 1.4 dB type (ps:3V / 1.35 dB)

Filer out band attenuation

Dielectric filter

7dB min fo±20 MHz

20dB min fo±50MHz

30dB Min fo±100MHz

(fo=1575.42MHz)

Output V.S.W.R 2.0 max

Voltage
DC = 2.5~5.5V

Current DC = 8~23mA (ps:3V / 10mA)
Antenna connector

Mini USB connector with a female center contact (Use this
connector for the Antenna provided with the unit.

50 Ohms impedance
Environmental Specifications

Operational Temperature ‐ 20 to +60°C

Storage Temperature ‐ 40 to +85°C

Shock MIL ‐ STD ‐ 810E METHOD 516.4 Proc. 1, 18 shocks 40 G half ‐
sine 6 – 9 msec 18