On 04/03/2014, Sandeep Lohia <sandeeplohia12@xxxxxxxxx> wrote: Sarmaji try replacing those RFC with something better in terms 'Q' Sorry, but ferrite slug inside RFC will warm-up more when in TX ( will not burn hands though ) but will raise the inductance... I had bad experience with 2.2uh RFC used in scratch build BITX (in it's early stage of building) had to retune for best DIP from TX to RX... ( that might not be an issue here but & when changed with airwound, there was dramatic change in signal, well that was an old story, but might be useful. I too home brewed VK3BHR LC + varacter . I too use bolted stand offs (polymer), but on both sides. ------------------------------------------------ And if TV Guanella Baluns cores or torroids are unavailable. One can recycle IEEE802.3 LAN PT-module from junk. They work well from 1 to 30 Mhz and above. They also comes prewinded with 2 and 3 insulated wire, They are everywhere starting from Computer LAN card, PBX, IP phones. As to isolate Local area network. from garbage or from E-Dump -- Please encourage recycling, reuse or repairing of E-waste. ░7░3░ ░d░e░ ░V░U░3░S░X░T░
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