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Description
The Bias ''T'' is used to apply DC power to a coaxial antenna line for remotely powering the UFM230 filter/amp. The DC power applied to the BiasT (9 to 16 VDC) appears on the input port of the BIAS T to power the UFM230 through the coaxial cable, but is isolated from the output port so it will not be applied to the input of the receiver.
The BiasT is normally placed near the receiver being fed by the coaxial cable, where power is available. The UFM230 filter/amp and antenna are placed at the opposite end of the coaxial cable, close to the antenna.
A power supply is not included with the BiasT. Lectrosonics CH20, DCR12/A8U and DCR12/A4U will all work.
Specifications
- operating frequency range: 60 MHz to 950 MHz +/1 dB and 150 MHz to 850 MHz +/0.5 dB
- connections: 2.1 mm locking micro for DC power jack and BNC for antenna and receiver
- power requirements: Lectrosonics external DC power supply, 9 to 16 VDC, 150 mA or greater capacity or 9-16 VDC, 150 mA, center pin positive
- safety features: reverse polarity protection, auto-resetting polyfuse protects against shorts on the antenna side
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