The secret shame of modern electronics: those ubiquitous switch-mode power supplies are efficient and cheap, but they *sing* with RF noise! For the amateur radio enthusiast, that persistent whistling—the dreaded birdie—every 100kHz across the band is a constant battle against cheap design. While filtering circuits can sometimes help, there’s a much smarter investment being discussed here for achieving true spectral silence in your radio shack. Is it time to ditch the noisy brick for good? #HamRa
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The secret shame of modern electronics: those ubiquitous swit…
3 views2 months ago
TikTokhamshacktv
A reliable Astron 35 amp linear power supply is available for $100. It's a great alternative to switching power supplies at a similar price, offering a solid option to power your shack and HF radio. Watch the full video 👉 https://youtu.be/O2COCX4GUu0 #AstronPowerSupply #LinearPowerSupply #HFradio #HamRadio #Shack | Ham Radio Prep
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A reliable Astron 35 amp linear power supply is available for $100…
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