RX antenna - Single wire classic beverage antenna

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[<-- Back to beverage\|https://qro.cz/remoteqth/wiki/index.php?page=RX+antenna+-+Single+wire+classic+beverage] [<-- Web page\|https://remoteqth.com/single-wire-beverage.php] [<-- More nice construction informations at web by Bruce "Swede" K1FZ\|https://www.qsl.net/k1fz/beverage_antenna.html?fbclid=IwAR3XCAfRxRd3w6-eHLwgkXVoSeuDcoq6pGi_Rn2C4NrIVap_yWxO7TIGHGQ] rev.0.1 2/2017 by Jan OK2ZAW [https://remoteqth.com/img/ZAW-WIKI/single_wire_bever/sw_classic_850.jpg\|noborder] !!Feeder BOX * This box contains of transformer 450 Ohm to 50 or 75 Ohm and protections [https://remoteqth.com/img/ZAW-WIKI/single_wire_bever/feeder.jpg\|noborder] [https://remoteqth.com/img/ZAW-WIKI/single_wire_bever/sch.png\|noborder] * Part list \| PTC_F \| PTC 5mm \| piece 1 \| PTC 100mA \| \| GL \| Neon lamp \| piece 1 \| neon lamp 100V \| \| Tr \| Transformer \| piece 1 \| BN-73-6802 \| [https://remoteqth.com/img/ZAW-WIKI/single_wire_bever/brd.png\|noborder] !!TRANSFORMERS winding - very important thing! for 50 ohm coax feed line : 2 turns on primar (coax) and 6 turns on secondar side (loop) for 75 ohm coax feed line : 2 turns on primar (coax) and 5 turns on secondar side (loop) - Transformer should have 5 + 1 turns. So you wind 5 turns and 1more as a tap. [https://remoteqth.com/img/ZAW-WIKI/trafo/transformer_winding_5-1_850.jpg\|noborder] [https://remoteqth.com/img/ZAW-WIKI/K9AY_VAC/v2.3/2.jpg\|noborder] [https://remoteqth.com/img/ZAW-WIKI/single_wire_bever/tr.png\|noborder] !!Common mode current choke * Common mode current choke construction * Wind 4 turns on one side than cross to another side of cores and wind rest turns. [https://remoteqth.com/img/ZAW-WIKI/4-way/5.jpg\|noborder] [https://remoteqth.com/img/ZAW-WIKI/4-way/6.jpg\|noborder] [https://remoteqth.com/img/ZAW-WIKI/4-way/7.jpg\|noborder] !!Terminator BOX * This box contains of Load resistors for the antenna and protections [https://remoteqth.com/img/ZAW-WIKI/single_wire_bever/terminator.jpg\|noborder] * Part list \| PTC_F \| PTC 5mm \| piece 1 \| PTC 100mA \| \| GL \| Neon lamp \| piece 1 \| neon lamp 100V \| \| R1 \| Resistor 2W \| piece 1 \| Ohm 750 \| \| R2 \| Resistor 2W \| piece 1 \| Ohm 750 \| \| R3 \| Resistor 2W \| piece 1 \| Ohm 1000 \| \| R4 \| Resistor 2W \| piece 1 \| Ohm 1200 \| [https://remoteqth.com/img/ZAW-WIKI/single_wire_bever/sch-term.png\|noborder] [https://remoteqth.com/img/ZAW-WIKI/single_wire_bever/brd-term.png\|noborder]