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still using the original 100ma bias was surprised to now see that the output is 20watts > I had also experienced something like this... But 2.5 Watt idle is it enough for 20 watt Linear in class A or

That is good news! Is it the same as this one: LM2587 DC-DC Booster Converter Step Up Voltage Regulator 3.5-30V ~ 4.0-30V | eBay | | | | $ 2.98 | | | | | | | LM2587 DC-DC

No Hash ! That is very good to know John Tnx for info Frank , GM0CSZ / KN6WH in IO87AT

Hello Jack No I have not changed the heat sink yet, but to be honest I have not had any long QSO's yet, but I did leave the top cover off the case so I could feel the 510 but t only got slightly

Hello Rich Well I expected to have a lot of Hash but to my surprise it was completely silent

Did you change the heat sink on the final and, if so, what did you use? Jack, W8TEE To: [email protected] Sent: Friday, January 13, 2017 9:36 AM Subject: Re: [BITX20] Higher voltage for Bitx40

How much filtering/shielding did you have to put on it? My only experience with a boost converter was a home-made one that I built to make a battery pack replacement for an antique Zenith Transoceanic

Thanks to the list owners..it was an easy transfer a monkey could have followed the instructions...Colin GM7TFN

* Sorry, after posting the last message I tested the link and it did not work !!!!! * * Please go into Ebay's site and enter the following, that should work

Wondering how to increase the voltage on the final of the BITX40, I decided to try an up converter, started to search on Ebay and found some very cheap units that seem far to small to do the job

In case maybe one day there will be plans for later versions of BITX, what about including the Si5351 DDS already on board and using pluggable BPF- and LPF-Filters like e.g. those offered by QRP-Labs?

Thanks Peter, I will have a look at the relays. Had a few beers yesterday avo so didnt want to tackle any troubleshooting in a less than fully alert state. Hi. -- Mike VK3XL

Hi all, it seems transfer it is good even in I7-land (Apulia Region) near Asia... I even changed my password. Nice the attached picture/video 73 Gian I7SWX

Hi Mike - haven't had the same experience but I'd double check the relays.

that works :)? just the sd card wont read but i think that may be a card issue? thankyou so much for that its a great help now i have to get my head around the coding? im not very good with

I have a 11 year old account there and they automatically linked this group! -- Raj, VU2ZAP Bangalore, India.

Here's a picture of one of the graphics images from the software. You should be able to build what you need from the code, which I've attached. Jack, W8TEE To: [email protected] Sent: Thursday,

hi jack yes i have run the?mcufriend examples? i am wanting to use it as a dds vfo with my si5351 i already have a working dds vfo with oled but want to make a nice tft one naybe with cw decoder

At the end of the year my BITX transmitter section "broke." My BITX40 would not switch to transmit, and it simply continued in the receive mode, slightly shifting frequency. I thought I had blown the

Check it out.? Very nice.? From Do ND6T.? More to come from him. BITX Hacks | | | | | | | | | | | BITX Hacks Modifications, Hacks and Fun with the BITX40 boards |