Re: PA0RDT mini whip on Choc board

Adam Rong


I made some changes to the mini whip to keep the 2nd stage 2N5109 amplifier and add a relay to switch my end feed half wave antenna, so I now have two antennas, with and without amplifier. I connected to two connectors on my TS-590S and switch them. The amplifier works great for the non-resonant bands, especially for Long Wave and Medium Wave bands and 6 meter band. The added amplifier will not cause noticeable overload to receiver front end due to the big current of more than 30 mA. What makes me happy, is that the Choc perf board works great again with the modified circuit! Enjoy the photo.


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