TW1027 Low Current Embedded GPS Antenna
Specifications Vcc = 3V, over full bandwidth, T=25°C
Antenna
Architecture Wideband Single Feed Patch
1 dB Bandwidth 31 MHz
10dB Return Loss Bandwidth 45MHz
Antenna Gain (with 100mm ground plane) 4.5 dBic
Axial Ratio over Bandwidth 4dB @ Fcenter
Polarization RHCP
Electrical
Architecture Patch -> LNA1->SAW -> LNA2
Gain @ 1575.42 MHz 24dB Typ, 21dB Min
Gain flatness +/- 2 dB
Out-of-Band Rejection <1500 MHz >32 dB
<1550 MHz >25 dB
>1640 MHz >35 dB
VSWR (at LNA output) <1.5:1 typ. 1.8:1 max.
Noise Figure 1 dB typ.
Supply Voltage Range (over coaxial cable) +2.5 to 16 VDC nominal (12VDC recommended maximum)
Supply Current 1.75mA typical, 2.2mA max,
Operating Supply Voltage 2.5V to 16V DC.
ESD Circuit Protection 15 KV air discharge
Mechanicals & Environmental
Mechanical Size 35mm dia. x 7.25mm
Cable RG174
Operating Temp. Range -40 to +85 °C
Attachment Adhesive or M2 screw mount
Weight 30g
Environmental RoHS and REACH compliant
Shock Vertical axis: 50 G, other axes: 30 G
Vibration 3 axis, sweep = 15 min, 10 to 200 Hz sweep: 3 G
Ordering Information
TW1027 – Low Current Wideband GPS Antenna 33-1027-xx-yyyy
Where xx = connector type and yyyy = cable length in mm
Please refer to the Ordering Guide (http://www.tallysman.com/orderingguide.php) for the current and complete list of available
connectors.
Tallysman Wireless Inc
106 Schneider Road, Unit 3
Ottawa ON K2K 1Y2 Canada Tel 613 591 3131 Fax 613 591 3121 sales@tallysman.com
The information provided herein is intended as a guide only and is subject to change without notice. This document is not to be
regarded as a guarantee of performance. Tallysman Wireless Inc. hereby disclaims any or all warranties and liabilities of any kind.
© 2010 Tallysman Wireless Inc. All rights reserved. Rev 2.1