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Bi-Directional beverage CLASSIC antenna 1 coax output

This one coax output beverage antenna has got internal relay for direction switching.

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77.69 € (tax excl.)
77.69 € without tax
94.00 €
connector
  • F
  • PL
version
  • 150Ω
  • 450Ω
  • two wires
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Description

There are two beverage antennas receiving in opposing directions to share the same space. That provides one of the least expensive and most reliable ways to improve DX capabilities on the low frequencies. The transformer at the end of the beverage is designed to match impedance of the antenna. A two-wire bi-directional beverage requires the antenna element to operate a balanced transmission line. The parallel wire line used to construct the antenna must be excited under near-perfect balanced transmission line conditions.


Using

  • Low band receiving antenna
  • For LF, MF and HF SWL
  • Lower noise, better directivity
  • Can be part of phased array

Main functions

  • Broadband 0.2 to 30 MHz (optimal 0.2 to 14 MHz)
  • Bi-directional (reversible) beverage antenna
  • Low noise
  • Very good F/B ratio
  • Twinlead or open wire line
  • Classic construction - antenna in the air
  • 50/75 Ohm feed line version
  • Isolated ground to prevent common-mode noise
  • Common-mode coax choke at output included
  • Switchable direction by positive voltage (+ 12V or AC)
  • Electrostatic and HV protection with neon lamps (> 65V AC)
  • High power protection
  • Stainless screws and nuts
  • High quality connectors
  • IP56 boxes - recommended to protect it against water
  • Feeder size 100x100 mm
  • Terminator size 64x58 mm
  • ASSEMBLED VERSION

Parameters

  • Feed line impedance 50 or 75 Ohm - version depends on order
  • Antenna impedance - assembled version: 75, 150, 450, 600 (two wires) Ohms
  • Common-mode choke isolation more than 30 dB
  • Antenna element in the AIR
  • One coax output with internal relay switch in feeder
  • Direction switch needs + 12V / 0.1 A (or AC 12V) - switching by positive voltage
  • ANT reception: REVERSE direction with 0 V, STRAIGHT with +12 V

Available as

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

Manual

If you want to know more please check our wiki with Bi-Directional beverage antenna 1 coax output manual.





version with PL SO-239 connector

bi-dir beverage classic version assembled pl qro.cz hamparts.shop



version with F connector

bi-dir beverage classic version assembled f qro.cz hamparts.shop



assembled version of terminator

bi-dir beverage classic version terminator qro.cz hamparts.shop



bi-dir beverage classic version 1 coax output principle by qro.cz hamparts.shop



construction of bi-directional rx antenna by qro.cz hamparts.shop



example with 4-way Bi-Dir beverage and Bias Tee Box

bi-dir beverage with bias tee and 4-way beverage antenna pl qro.cz hamparts.shop

example with Bias Tee Box

bi-dir beverage with bias tee qro.cz hamparts.shop

example with Bias Tee Box and Preamp Box

bi-dir beverage with bias tee and preamp box qro.cz hamparts.shop



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Product Details

Data sheet

type
ASSEMBLED
design
in enclosure
usage
RX
impedance
both 50 & 75 Ohm
front-end protection
input
frequency range
0.2 MHz to 30 MHz

Specific References

ean13
1000090096524
Attachments
transformer winding
simply calculation file of transformer winding
Download (438.83KB)
bi-dir coax article
article about bi-directional beverage antenna by ZL3IX
Download (2.59MB)
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