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Re: QRP website

January 15, 2015 02:55AM
With letters I'm unsure of, in webmail I right click and save the mail as text, .txt, and then read that in something like Notepad, where nothing can execute.

Jack Jones' mailing is legit, it seems to be just a pirate name, and the site is real, and it's a nice little site. I wrote back and suggested that some of the valves he's using in the transmitter might be harder to find for USA builders, but I like the straightforward circuits and how he built them.

I've worked with that hybrid style of transmitter, with tube finals but with a solid state modulator. It can give better sound over push-pull tubes because it has only the modulation transformer, and can benefit from transistor amps' tight negative feedback for a flatter response.

I also noted that he's used an audio bandpass filter in his higher power rigs, which it seems American stations rarely use. It's a fairly strong filter too.

Boomer
Subject Author Views Posted

QRP website

jtart 641 January 14, 2015 04:50PM

Re: QRP website

Pat Murphy 371 January 14, 2015 05:12PM

Re: QRP website

BramStoker 393 January 14, 2015 07:25PM

Re: QRP website

Radio Animal 368 January 15, 2015 02:55AM

Re: QRP website

Pat Murphy 338 January 15, 2015 10:04AM

Re: QRP website Puts me to shame.

ThaDood 379 January 16, 2015 12:00AM

Re: QRP website Puts me to shame.

Radio Animal 364 January 16, 2015 10:17PM

Re: QRP website Puts me to shame.

Pat Murphy 367 January 21, 2015 06:23PM

Re: QRP website Puts me to shame.

ThaDood 348 January 22, 2015 12:18AM

Re: QRP website Puts me to shame.

Radio Animal 336 February 14, 2015 01:06PM

Re: QRP website Puts me to shame.

Radio Animal 371 February 14, 2015 12:58PM



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