Here is my entry into the interesting project category -- A Kilowatt transistor SSB/FM/AM/CW/etc. transmitter for 160 through 6 meters. The transmit chain consists of: 1. A Mike preamp connected to a
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I think Kenwood's calling you they are looking for someone to put the STUFF inside their mock up radio they had at Dayton Dave / WB0PKK -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions:
Marv: You're selling yourself short on your carrier resolution, I think! If the DDS is clocked from the 196.608 MHz, I get 0.04578 Hz per lsb (196.608e6 / (2^32)). But is this enough resolution for q
Oh, no!!!! here is the DAF amp discussion again but solid state this time!!!! I am very interested in how this turns out. If the experiment is successful it would support the DAF theory. 73 Bill wa4l
I want to know how the sidebands created by the switching amplifier will be filtered out, especially above 160 meters. 73, Tom W8JI w8ji@contesting.com -- FAQ on WWW: http://www.contesting.com/FAQ/a
On Wed, 13 Sep 2000 21:44:22 -0700 (PDT) michael watts <wy6k@yahoo.com> writes: Neither deities nor fish are necessary to complete this project. :-) (snip) * _________________________________________
STUFF Hi Dave, Well, if Kenwood, Yeasu, Icom, NRC, Ten-Tec, etc... spent 1/10 the time & $$$ on the signal chain that they invest in the knobs, readouts & menus... I wouldn't have to build this mysel
On Thu, 14 Sep 2000 07:58:09 +0100 "Bob Duckworth" <wb4mnf@atl.org> writes: Hi Bob, Relays are probably the easiest. There will be some rather large (circulating) currents to pass. Also, some rather
On Thu, 14 Sep 2000 09:48:38 -0400 William Fuqua <Wlfuqu00@pop.uky.edu> writes: time!!!! successful Hi Bill, Noooo.... not definitely not DAF but, SSB amplification by Envelope Elimination and Restor
On Thu, 14 Sep 2000 09:34:56 -0400 "Bruce R. Knox" <bknox@rfapps.com> writes: the / Hi Bruce, Your numbers are correct for the basic frequency resolution of the system though, I am only planning to i
On Thu, 14 Sep 2000 10:22:00 -0400 "Tom Rauch" <w8ji@contesting.com> writes: Hi Tom, I'm not quite sure which sidebands you are concerned with... The note you replied to from Bruce concerns the FM mo
When you say "class D" what are you doing exactly? What modes will the amplifier amplify? 73, Tom W8JI w8ji@contesting.com -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contest
On Thu, 14 Sep 2000 11:40:37 -0400 "Tom Rauch" <w8ji@contesting.com> writes: Hi Tom, The power amp will be used in all modes essentially amplifying a CW signal. The amplifier will be high level Drain