Hi all , after a huge silence ,I am here again with a nice VFO called BLUBERRY . It is a small evaluation board for a Cypress chip. It ca be programmed easily...
I am sorry I did not send anything before, but I am the clubhouse columnist for QRP Quarterly. If there are club members in this group, how about swending me...
Hi, I am new to this group, I joined recently after searching the web for stuff and finding the website of G4OEP ( Dr. Andrew Smith ). I am a licensed amateur...
hello. Does anyone konw where i can et hold of a 7MHz crystal? I'd like to build the QRPp QRSS TX featured in the latest SPRAT magazine. Thanks for your help. ...
Hallo guys, this message is in order to inform you that at this time we are publishing an "Home Made Newsletter" Called HMN (Home Made News), and we have a ...
Hi - I am still ruminating over my rx design (look here - http://g4oep.atspace.com/qrss/qrss.htm ) and am beginning to realise that the inductors in the front...
Hi - There has been a wave of new members (5 in 24 hrs) joining the group, and I would like to welcome them - I hope they will find (and existing members...
Hi all, finally after some days I was able to find again the original Harry's page, the link is right: http://web.telia.com/~u85920178/ and in the Menu you...
In my files I have found a design by Drew Diamond for a 2W 7MHz tx line-up using a 602, 2 stages of driver, and a irf511 (similar to 510). See diamond.jpg....
After going through the files on H mode mixers I wonder why they are not being used in homebrew equipment to a greater extent. When one looks at the write up...
Hi everyone, This group seems to have gone a little quiet so I thought I would post an item which may be of interest to the group and the QRSSTXRX project as a...
I have just put the finishing touches to a web-page devoted to the discussion of signal frequency crystal filters, work undertaken in collaboration with Des...
Hi from IK1ZYW. I've browsed through the web archives of past messages, and I understood right now you/we/they are concentrating on the TX design, plus XTAL...
Hi everyone, I have uploaded a couple of items you may find interesting relating to crystal filters. The first is located in the folder called "Crystal Banpass...
Hi all I am a little in a hurry now . I did something that seems working "fine" in my lab ! I will insert the not complete schematic in the "files" . I will...
Hi to everyone on the list, Just to let you all know I have put the files relating to signal frequency filters all in a single folder in the "files" area of...
I sat down and did some serious thinking this morning, calculator in hand. The result is a circuit diagram - qrsstx.doc. Some component values are missing at...
Thanks Hans - I'm glad I am not the only one who has this problem. And ok too on the cw/ssb distinction. I think some of my class C 'amps' have actually been...
Hi members, Andy asked me to introduce some aspects of my QRSS keyer/controller project to the group ... The story so far ... The CWKtiny keyer was initially...
I have a confession to make. Whenever I need to make a small semiconductor PA I always have dreadful problems with instability, and achieving reasonable...
I have posted a rigorous analysis of this question in the files area. The upshot is that only the fundamental breakthrough of the doubler need cause concern. ...
Hello all, seems as if I have managed now to join this Yahoo group :-) Will come back later after reading all the posted messages and files. Chris, DL6JAN...
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