开云体育

i suppose ebay is offering 10pcs smd version at less than $3 and free shipping.

Ebay offers shipping of $2 or $3 from China. Mike K5ESS

Have used 8307s in several projects. It is a log amp with rather high freq capability which can be tamed, but it does not offer the attack / decay features of the SL621.?? Still, a possibiliity.

Farhan: Check out the video at: http://hamradiodesigns.com/index.php/photos/ Some of this is already being done. Jack, W8TEE

great news. perhaps if you stick to straighr c code, we could pull this into other platforms like rpu and teensy?

Does anyone know if the designer of the ubitx ver 4 is attempting to solve any of the problems associated with his radio?

Began to order and discovered that they want $35 shipping from Hong Kong.? Trying to decide if I want one that bad.?? ...But thanks. Woody

Thanks for the lead....? Although not too cheap, sure not $250!? Will check it out.? Found a datasheet (

Why not take a look at the AD8307.? Seems to be comparable to the SL621.? Different package though. Regards, Bruce

Thank youfor share! FT'sss73! Renato py2rlm Em ter, 18 de dez de 2018 05:57, giuseppe callipo <ik8yfw@... escreveu:

Hi Ian, I'm Giuseppe, I worked on the small project in stm32f103 based DSP last year, now I'm working on new project based on Cortex M4 processor cheap but performing, and the goal Will be ti creare a

It took all day but I made my case out of a dry marker board I got at Lowe's.Used the Harbor Freight multipurpose vibrating tool to cut the pieces. For the mounting base, I used a 6X8 wooden photo

Very nice, I am going to cut one out of acrylic at the local makerspace. Depending on how long it takes (laser cutters are not free to use) I might make a few extras if anyone is intrested

Don't know if they are authentic but you can get them (kind of expensive $6 bucks apiece on Ebay). Also from Kynix for $7.25. https://www.kynix.com/Detail/887745/SL1621C.html Mike K5ESS

Thanks! Be advised that my AGC amp leaves something to be desired.? It works, but needs refinement.? Attack can be slow and it can pump on really strong signals.? Sure wish I had some old Plessey

Thanks, wow you have quite a lot of home brew builds!? Very nice.

Sean Glad you may have found it. Sure, bridge any similar value cap you have. You can even temporarily,? or permanently install the leaded cap on top to see if audio is restored. I have certainly

Hi Sean, It's no problem to use a conventional part with leads if you want.? You'd just have to be careful that the connections don't stray onto other pads.? If you have room, you can just tape the

Take two 15-30 watt irons . Heat them both . Hold one om each hand. Place tip of one on one end of part place the tip of the other on the other end of part. Slightly press the tips together and when

The PDF is of what the etched board looks like.? For most PC board generation, the image must be flipped to reverse. _W_ --