开云体育

Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the [email protected] group. *File:* d4dqgreva.pdf *Uploaded By:* Adam Rong *Description:*

Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the [email protected] group. *File:* d4dpartlist20190519forMP.xls *Uploaded By:* Adam Rong

Software settings in Chinese. Try Google translation if you cannot fully understand from pictures. https://mp.weixin./s/VSHwEVKzNMG2F2GUVkCcCQ Thanks, Adam

Folks, Due to an unexpected reason, the show of D4D in Hamvention is cancelled. However, we believe that D4D is a promising product and you are welcome to introduce to your local clubs, forums or

Folks, I have created folders in the files and photos sections. I will update the files regularly. /g/crkits/ album?id=90325 ( /g/crkits/album?id=90325 )

Folks, One of potential customers asked about the IMD performance and I think it is a good question. I have to clarify here when I wrote spurious suppression of -50dBc. It is actually for harmonics of

Very well. I have played music when dummy load is connected and it is quite high quality. However, you will need to inject quite high level volume (>600mV Vp) to activate VOX and you will need an

How well will these work on Voice (with a proper Freq Xtal)?

Folks, As I have promised, I created a button and you can order directly from my web site: http://crkits.com Due to the unexpected stability issue, I have to postpone the first shipment date from May

Folks, I am pleased to announce that the issue was found. I will take time to verify the fix and the shipment will be pushed out for about a week. To play safe, I will check 40m as well. Sorry for the

Can I buy a few of the blank PC cards from you, if so how much? Mark Schiff

Folks, As I tested building 20m version one more time and I still found a little bit self-oscillation. As I said this is the nature of this architecture to use only one NE602 for both RX and TX. AA7EE

Hello.I'm waiting for you to complete the tests, and I'm sure to order.Best regards.

Good news: 10130 can be pulled to around 10135.5 and it is good enough to cover 30m FT8 band. I will run more tests to make sure it is stable. Thanks, Adam

I have found crystals of 10.140 and 10.130. I’ll see if it is good to be pulled. If they cannot be pulled, 10.130 will be good for JS8CALL. Thanks, Adam

Hello Adam. Which crystals (frequent) can be added? I'm especially interested in 10mhz (30 meter band).Mircea-YO9IOF

Personally I will build a few. Please contact offline for the availability. Please add $25 for the build service. Thanks, Adam

Hi Adam...will there be any pre-assembled ones available? Thanks Bill...wa8bda

Ron, Pulling with NP0 capacitors will not generate too much stability issue. Normally inductors are drifting much. However, you are correct that 20m crystal is more unstable, but with the heating

I will create a button and put on my web site this weekend but I am still on travel. I have received 5 orders so far and please continue to use rongxh@... to PayPal. Thanks, Adam -- Thanks, Adam