TW154 Regulated 0.5 to 3GHz, 3.3V Bias-Tee
The TW154 is a professional grade
wideband Bias-Tee for injecting DC
voltages onto coaxial lines. The regulated
output voltage and the high output
current makes this bias-tee highly
suitable for many active antennas and
amplifiers.
It is useable at higher
frequencies with higher insertion loss
(see data below).
The TW154 is housed in a robust
RF sealed, weatherproof (IP67) clear
anodized aluminum enclosure and is
available with 3 x SMA or TNC Jack
connectors.
DC In
3.3V
Regulator
50 Ohm Line
Port A
DC Block
Port B
DC Out
TW154 Dimensions (mm)
Applications
L-Band Signal Distribution
GNSS (GPS/GLONASS) Signal Distribution
Features
Low insertion loss: less than 1 dB at 3 GHz.
Regulated output voltage: 3.3 VDC
VSWR: <1.3 @ 3 GHz
Operating frequency: 0.5 to 3 GHz
Wide input voltage range: 3.6 to 10 VDC**
High current output: 350 mA**
RF sealed, clear anodized aluminum
enclosure
IP67 compliant (TNC Jack connector only)
SMA or TNC Jack connectors
RoHS compliant
Benefits
Compact form factor
Allows the use of an external
power supply
Fits in line with antenna cable
Robust design
Suitable for harsh environments
Industrial temperature range:
-40 to 85 °C
TW154 Regulated 0.5 to 3GHz, 3.3V Bias-Tee
Specifications
Electrical
Operational Frequency
VSWR (50Ω)
Insertion Loss
Supply Current
Output Current*
Input Supply Voltage**
Output Voltage
Quiescent Current (no load) @Vin=10V
0.5 to 3 GHz
<1.3 @ 3 GHz
<1 dB at 3 GHz.
<101 mA at Iout=100 mA
up to 350 mA
3.6 to 10 VDC
3.3 VDC
2.5%
<250 µA
VCC=5V, over full bandwidth, T=25 °C
* The output current limit should be de-rated to restrict the maximum power dissipated within the regulated TW154 to 1.5 W max,
and should be calculated as Imax<=(125-Tamb)/(70*(Vin-Vo)).
** The drop-out voltage of the TW154 Bias-Tee is <= 0.15 V at Iout =100 mA and <= 0.6 V at Iout=350 mA
Mechanicals
Size
Weight
Connectors
DC Connector
Operating Temp. Range
Enclosure
Environmental
Warranty
1.81” L x 1.81” W x 0.669” H
(46 mm L x 46 mm W x 17 mm H)
100 g (0.22 lbs)
SMA Jack or TNC Jack
SMA jack or TNC Jack
-40 to +85 °C
Clear anodized aluminum
RoHS, and IP67 compliant (32-0154-2 only)
One year – parts and labour
Ordering Information
TW154 Bias-Tee with SMA Jack connector (for internal use)
TW154 Bias-Tee with TNC Jack connector (for internal use)
TW154 Bias-Tee with TNC Jack connector (for external use)
32-0154-0
32-0154-1
32-0154-2
Please contact Tallysman Wireless for additional information
Tallysman Wireless Inc
36 Steacie Drive
Ottawa ON K2K 2A9 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.
Doc # 60-0031-0
Rev 6
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