TW3320/TW3322 Wideband GPS/GLONASS Antenna
The TW3320/TW3322 is a high performance GNSS antenna covering the GPS L1, GLONASS L1 and SBAS (WAAS, EGNOS & MSAS) frequency band (1575 to 1606 MHz). It features a patch element with 40% wider bandwidth than hitherto available in this format. Unlike its competitors, both GPS-L1 and GLONASS signals are included in the 1dB received power bandwidth.
The TW3320/TW3322 has a two stage Low Noise Amplifier with a mid-section SAW. An optional tight pre-filter is available with part number TW3322 to protect against saturation by high level sub-harmonics and L-Band signals.
The TW3320/TW3322 has a 19mm (3/4 Inch) though-hole mount white metal base, specifically designed for mobile installations, with an industrial-grade, IP67 compliant conical radome. The standard connector is a TNC Jack (female).
|Architecture||Wideband Single Feed Patch|
|1 dB Bandwidth||31 MHz|
|10dB Return Loss Bandwidth||45 MHz|
|Antenna Gain (with 100mm ground plane)||4.5 dBic|
|Axial Ratio||<4dB @ 1590MHz, 8 dB typical at band edges|
|Architecture||LNA stage 1 -> SAW filter-> LNA stage 2 (TW3320)
SAW Prefilter ->LNA stage 1 -> SAW filter-> LNA stage 2 (TW3322)
|Filtered LNA Frequency Bandwidth||1574 to 1606 MHz|
|Gain (1575.42 to 1606 MHz)||28dB min., TW3320
|Gain flatness||+/- 2 dB, 1575 to 1605 MHz|
|VSWR (at LNA input)||<1.5:1|
|Noise Figure||1 dB typ.(TW3400) 3.5 dB typ (TW3402)|
|Supply Voltage Range (over coaxial cable)||+2.3 to 10 VDC nominal|
|Supply Current||10 mA max.|
|ESD Circuit Protection||15 KV air discharge|
|Mechanicals & Environmental|
|Mechanical Size||66.5 mm dia. x 21 mm H|
|Connectors||TNC Jack (female)|
|Cable (Option)||Custom flying cable assembly available|
|Operating Temp. Range||-40 to +85 °C|
|Enclosure||Radome: ASA Plastic, Base: Zamak White Metal|
|Environmental||IP67 and RoHS compliant|
|Shock||Vertical axis: 50 G, other axes: 30 G|
|Vibration||3 axis, sweep = 15 min, 10 to 200 Hz sweep: 3 G|
|Warranty||One year, parts and labour|
|TW3320 – GPS/Glonass Antenna TNC Connector||32-3320-xx-yy|
|TW3322 – GPS/Glonass Antenna TNC Connector||32-3322-xx-yy|
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. © 2012 Tallysman Wireless Inc. All rights reserved.