Datasheet > 33-4027-XX-YYYY

33-4027-XX-YYYY

更新时间： 2022-02-26 13:43:27

品牌	Logo	应用领域
TALLYSMAN		全球定位系统
页数	文件大小	规格书
2页	137K
描述
TW4027/TW4029 Low Current GPS Antenna

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33-4027-XX-YYYY 数据手册

TW4027/TW4029 Low Current GPS Antenna

The TW4027/TW4029 is a very low power,

compact GNSS antenna covering the GPS L1,

frequency band. This antenna features an LNA

with a nominal current consumption of just

2mA, with constant performance from 2.5V to

15V supply voltage, and includes protection

against close proximity L-band transmitting

antennas such as Iridium™ and Globalstar™

The TW4027/TW4029 has among the lowest

power consumption available, yet still provides

21dB nominal gain and an excellent Noise

Figure. The TW4027.TW4029 patch has 40%

wider bandwidth for better axial ratio and has

15 KV ESD circuit protection. The LNA has a

+/- 10MHz bandwidth that covers the full GPS

L1 signal plus the SBAS (WAAS /EGNOS/MSAS)

frequency band (1572.5 to 1578 MHz).

The TW4029 variant provides a “Brick-Wall”

pre-filter to protect against saturation by high

level sub-harmonics and L-Band signals.

It is housed in a compact IP67 magnetic mount

enclosure.

Applications

•

Battery operated monitoring

Covert Surveillance

Fleet Management & Asset Tracking

Satcom based AVL solutions

Features

Benefits

•

Nominal 2mA current draw

•

Longer battery life

Invariant response, 2.5 to 16 VDC Supply

Low Noise 1.0dB/3.5dB Typ. (TW4027/TW4029)

Axial ratio: 4 dB max (GPS )

TW4122 “Brick-Wall pre-filter option

High gain: 24dB/18dB Typ. (TW4027/TW4029)

IP67 weather proof housing

Excellent signal to noise ratio

RoHS compliant

Ideal for harsh environments

Excellent out of band signal rejection

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