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PCB for Bias Tee BOX AC/DC

A bias tee is used to insert AC or DC power into an HF signal to power remote antenna preamplifiers (DC), Bi-directional beverages (AC) or other devices.

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12.39 € (tax excl.)
12.39 € without tax
14.99 €
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Description

This bias tee box is used to insert AC or DC power into an HF signal to power remote antenna preamplifiers (DC), Bi-directional beverages (AC) or other devices. It is usually positioned at the receiving end of the coaxial cable to pass AC or DC power from an external source to the coaxial cable running to powered device. A bias tee consists of a feed inductor to deliver AC/DC to a connector on the device side and a blocking capacitor to keep power supply from passing through to the receiver. Bias tees are used in a variety of applications, but are generally used to provide an RF signal and power to a remote device where running two separate cables would not be advantageous. This box offers something more like: protections, variable attenuator and input common-mode filter.


Using


Main functions

  • Broadband: 0.1 MHz to 60 MHz
  • Variable ATTENUATOR - image
  • Front-end protection with diodes - image
  • Power supply common-mode filter
  • Power supply short protection
  • High voltage and current protections
  • You can set ATT when you have too high gain of preamp
  • LED diode indication of AC/DC power on the coax
  • ONLY PCB

Parameters

  • Insertion loss lower than 1 dB - for minimal ATT
  • Size 95x95 mm
  • Designed for PL SO-239 and F connectors


Available as

KIT: all parts + PCB and IP56 box - KIT VERSION
ASSEMBLED: ready to use - ASSEMBLED VERSION
Connectors: PL SO-239 or F

Manual

If you want to know more please check our wiki with Bias Tee Box AC/DC manual.



example of assembled PCB with PL SO-239 connectors

bias tee box acdc pl so-239 qro.cz hamparts.shop



example of assembled PCB with F connectors

bias tee box acdc f qro.cz hamparts.shop



Bias Tee BOX AC/DC with RX Preamp BOX

bias tee box dc with rx preamp box qro.cz hamparts.shop




Bias Tee BOX AC/DC with BI-DIR RX ANT

bias tee box ac dc with bi-dir qro.cz hamparts.shop




Bias Tee BOX AC/DC as part of 4 directional RX antenna

bias tee box dc 4 direction beverage antenna qro.cz hamparts.shop




ATT OFF: SWR, insertion loss

bias tee box acdc measurement qro.cz hamparts.shop




ATT set to 10db: SWR, insertion loss

bias tee box acdc measurement qro.cz hamparts.shop
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Product Details

Data sheet

type
ONLY PCB
design
bare pcb
usage
RX
impedance
both 50 & 75 Ohm
front-end protection
output
frequency range
0.1 MHz to 60 MHz
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