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Antentop is FREE e-magazine devoted to Antennas and Amateur Radio an
Special page devoted to
Two Broadband Symmetrical Transformers
for HF and VHF Bands
Two Broadband Symmetrical
Transformers for HF and VHF Bands: By:
Alex Karakaptan, UY5ON, ES4UY, Kharkov, Ukraine
Below there are described two broadband transformers with transformation ratio 1:5 and 1:10. First transformer could match 50 Ohm to 250 Ohm the second one could match 50 Ohm to 500 Ohm. The transformers may be used to feed different types of hi- ohmic antennas, for example, G5RV. The transformers provide symmetrical output. The transformers provide SWR 1.15 AT 144 MHz, 1.1 at 70- MHz, 1.0 at 50- MHz, 1.1 at 3.5- MHz and 1.15 at 1.9- MHz. The transformers do not overheated at 500- Watts power going through....
PDF file, 100 KB (ANTENTOP-01-2015, p: 98)
Contents for AntenTop 01- 2015
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Last Updated:
February 4, 2018 18:20
