-40%
Balun for HAM Radio antenna up to 100 watt CW/SSB with built-in cut-off choke
$ 20.69
- Description
- Size Guide
Description
Please Note.Free Economy Shipping is applied by default. This delivery is carried out by Russian Post on the territory of the Russian Federation and is further transferred to the national postal operator (USPS in the USA, etc.) Delivery times can be from 15 days to 90 days. If you do not want to wait, choose expedited shipping. Our store cooperates with DHL Express. Expedited delivery times are from 3 to 10 days.
Based on the accumulated experience in the development, manufacturing and operation of BR-800 series baluns, as well as obtained invaluable experience of selling them to HAMs, we have come to a conclusion that the line of these devices should be complemented with more compact and less powerful models. Currently, the radio amateurs operate from the field using "barefoot" transceiver more and more often, so 100 W of balun passing power is quite sufficient. However, requirements to the dimensions and reliability are high. Therefore, the following improvements are implemented in our new baluns:
1. All baluns have a cut-off choke. This ensures elimination of the antenna effect and stablizes parameters of field antennas independently of the feeder location.
2. All baluns are manufactured basing on Wide Band RF Transformers on Ferrite Tubes
. This means that the power is passed not by a magnetic field through the core, but over wires that considerably reduces losses of the entire balun.
3. Baluns are completely leak-tight due to the sealing by a two-component compound.
4. Mass of the baluns is reduced due to the decreased dimensions, light-weight plastic enclosure, absence of contact screws, role of which is fulfilled by the conventional multi-core wires.
Operating frequency band, MHz
1,8-30
Impedance ratio
BR-100-1
1:1-50:50
BR-100-1.5DR
1:1,5-50:75
BR-100-2.5DR
1:2,25-50:112
BR-100-4DR
1:4-50:200
BR-100-6DR
1:6-50:300
BR-100-9DR
1:9-50:450
BR-100-16DR
1:16-50:800
BR-100-20DR
1:20-50:1000
Impedance, Ohm
50
Insertion loss, dB
0.2-0.4
Input power, not more, W (CW, SSB)*
100
Asymetrict factor no less, dB
20
Connector
SO-239