OGS-50W HF POWER AMP | BUYER BEWARE | COMPARE ANOTHER 45 HF AMP WITH I/P 3dB PAD, 2-STAGE PRE-DRIVER
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- Опубликовано: 8 сен 2024
- Folks, buyer beware. Look for something else. This OGS-50W using a pair of IRF530 in push-pull is not a good design, and it is not built well. Don't ruin your QRP trying to use this poorly designed Amp. Here, I have also done a quick comparison with another budget 45W HF Amp - a well designed, and well engineered product for less than the cost of the OGS-50W.
The seller claims that it is for USDX, FT-817, ICOM IC-703, IC-705, Elecraft KX3, QRP, FT-818... really??!!
Thanks for stopping by.
UPDATE 27-Mar-2023:
Canada Post does not ship electronic items to China. I was told by the vendor (Aisanray Tech Officia Store) to declare it as a Recorder of $20 value. CP rep said, if the item is returned back to sender, the shipping money is lost. Cheapest no tracking shipping is $27. With tracking it is $72. And, supposedly I get the shipping credit later. Why all the trouble? Don't buy this product. Not worth the hassle.
#qrp
#qrpradio
#hamradio
#usdx
#irf511
Update 27-Mar-2023. Shipping this back to China does not work - using regular channels. I have given all the details at the end of the description of this video. Check it out, and don't waste your money. I already wasted mine.
I hate to be that guy, but I've got two of these, and I'm loving them to bits. With that said, if you've still got that one, and would like to part with it, I'd sure love to buy it from you for my mobile installation. :)
Hi Tom! Good to know you are happy with it. Thanks for the offer. If it doesn't involve shipping then I'll sell it. Shipping is expensive. I packed it to send it back RMA but didn't because I knew the seller won't pay shipping. So, it's just sitting as a paperweight.
I'm going to put together a setup with a mini usdx, an ATU100 coupler and a BJ300 linear amplifier. Is any linear modification necessary due to SWR or does the coupler mitigate this problem?
A coupler does help. You may want play around with the drive levels.
what is that 2nd amplifier?
It's sold as a fully assembled 45W 3MHz-28MHz SSB linear Amp on some Asian online stores.
@@PremMenon do you mind sharing a link?
@@npc9352 I'll try. No promises, though. Google is your best friend.
@@PremMenon I couldn't find it. Thanks.