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Re: 2n2xx Transceiver R.I.P.
[email protected]> wrote: Ack! Not me! I have a day job :) Do you know what the power supply current requirements would be for the synthesizer, LCD and Arduino? I still marvel at my SW40+ that uses
By Michael Maiorana · #424 ·
Re: For Sale: Norcal 40a
Sold.
By John AE5X · #423 ·
Re: What level math is in the RF design books?
thank you
By Rob <roomberg@...> · #422 ·
Re: 2n2xx Transceiver R.I.P.
I can see where Jim would rather not have us copy his gerbers, Hundreds of folks will know that he did the design, and a few will inevitably pester him for help. If stealing a significant part of the
By Jerry Gaffke · #421 ·
Re: 7 MHz Oscillator Ideas
Chuck, I think we all agree that your design will be plenty stable. It is crystal controlled, going from zero to 12v on the bias for the varactor that is in parallel with the crystal can only move the
By Jerry Gaffke · #420 ·
Re: 2n2xx Transceiver R.I.P.
Agreed Mike.? Good to hear from you again.? Jim just doesn't want a mass distribution.? Note that he encourages builders to make their "OWN PCB".? I agree that it was an amazing design.? Jim is
By Doug Hendricks · #419 ·
Re: 2n2xx Transceiver R.I.P.
Rob there is no problem with anyone making their own board for their own use, it is the distribution of those boards that is the thing that I object to.? Jim does not want to not does he have the
By Doug Hendricks · #418 ·
Re: 2n2xx Transceiver R.I.P.
The use of ADE-1 (or SBL-1) diode ring mixers make it possible for the receiver to have a very large dynamic range.? It also makes it possible for the receiver to suck down the battery much more
By Jerry Gaffke · #417 ·
Re: 7 MHz Oscillator Ideas
Nick, I've made some measurements using the?SA612?oscillator in my WWV +?30m receiver. The crystal is a single, 10 MHz nominal.? Keep in mind that this is a simple DC receiver and may not meet the
By Chuck Carpenter · #416 ·
Re: What level math is in the RF design books?
Rob -- If you have a copy of "Experimental Methods of RF Design", take a look at chapter 2 "Amplifier Design Basics", first few pages, which discusses simplified models of semiconductor devices. I
By Ramakrishnan Muthukrishnan · #415 ·
Re: 2n2xx Transceiver R.I.P.
Doug, From Jim's email on November 10th: Finally, all of the documentation for the 2N2/XX is on my web site: www.k8iqy.com ( http://www.k8iqy.com ) so you can get the docs, build any of the 3 bands
By Michael Maiorana · #414 ·
Re: 2n2xx Transceiver R.I.P.
OK..no problem. My point of view was that it is a well documented hands on DIY project transceiver worthy of hand crafting for yourself..... not any money making ventures.... and since I learned how
By Rob <roomberg@...> · #413 ·
Re: 2n2xx Transceiver R.I.P.
Rob, the 2N22 is the intellectual property of Jim Kortge.? He has asked that it not be made available.? Please honor his wishes and stop promoting this project.? It would be wrong for anyone to
By Doug Hendricks · #412 ·
Re: 2n2xx Transceiver R.I.P.
NO WAY The project is only dead if you want to leave it resting. All of the wealth of documentation is there to make the 2n2xx tranceiver on ANY base you want... island pads... manhatten ... or PRINT
By Rob <roomberg@...> · #411 ·
Re: 2n2xx Transceiver
The designer has voiced he does not want to offer a board.? The project is dead. Lee, w0vt
By Leland L. Bahr · #410 ·
Re: 2n2xx Transceiver
i would like (at least) one jerry aa1of franconia nh
By ohwenzelph · #409 ·
Re: 2n2xx Transceiver
Steve, if the Chinese wanted to copy it, they would do it gerbers or no. If I were the designer, I would be more concerned about having to support the builders if I produced new boards. One way around
By Dale Hardin KS4NS · #408 ·
Re: 2n2xx Transceiver
I cut my gums on 741's and 2222's.? Put down for a couple.? Thanks, Howard, n3fel
By [email protected] · #407 ·
Re: 2n2xx Transceiver
You can look back through the message subject for the details. The designer of the 2N2-XX chose not to release the Gerber file for the PCB. Frankly, I wholeheartedly stand behind his decision.
By sigcom1 · #406 ·
Re: 2n2xx Transceiver
What's the status of this? I would be interested in this as well.
By Ken Thomas - N6KEN · #405 ·