Homepage - RF Cafe
Webmaster: Kirt Blattenberger | KB3UON | Sitemap | ©1996-2014     Visit RF Cafe on
      Menu below is just a small sample of what is here!          Visit RF Cafe on Facebook Visit RF Cafe on Twitter Visit RF Cafe on LinkedIn
Custom Search
More than 10,000 searchable pages indexed.
•−•  ••−•    −•−•  •−  ••−•  •
RF Cafe Morse Code >Hear It<

CW-Tone Generator - RF Cafe Forums

Because of the high maintenance needed to monitor and filter spammers from the RF Cafe Forums, I decided that it would be best to just archive the pages to make all the good information posted in the past available for review. It is unfortunate that the scumbags of the world ruin an otherwise useful venue for people wanting to exchanged useful ideas and views. It seems that the more formal social media like Facebook pretty much dominate this kind of venue anymore anyway, so if you would like to post something on RF Cafe's Facebook page, please do.

Below are all of the forum threads, including all the responses to the original posts.

 Post subject: CW Tone Generator
Posted: Tue Feb 02, 2010 1:07 pm 

Joined: Tue Feb 02, 2010 1:00 pm
Posts: 3
Looking for a cheap reliable solution to generate a clean CW tone with acceptable phase noise

I am looking for a cost effective way to generate a CW tone that doesn't cost an arm or a leg. Programmable PLL via Serial? USB control? Any idea?

Just don't want to end up using a signal generator for 2 fixed frequencies.

 Post subject: Re: CW Tone Generator
Posted: Wed Feb 03, 2010 12:00 am 

Joined: Tue Apr 11, 2006 8:13 pm
Posts: 34
Are you looking for a single tone or 2 tone CW? You could get a connectorized oscillator for a single tone. Wenzel might be a good place to start.. http://www.wenzel.com/

 Post subject: Re: CW Tone Generator
Posted: Wed Feb 03, 2010 1:52 am 

Joined: Tue Feb 02, 2010 1:00 pm
Posts: 3
Looking for two fixed frequency CW tones. Just need to be able to switch between them in the same test setup. Thanks.

 Post subject: Re: CW Tone Generator
Posted: Wed Feb 03, 2010 3:15 pm 

Joined: Wed Feb 22, 2006 3:51 pm
Posts: 104

How clean is "clean"? What is "acceptable phase noise"?

For that matter, what frequency range are you looking at?

How far apart are the two frequencies?

Companies like Analog Devices often have evaluation boards for their RF products, like PLL chips and DDS chips.

Good luck!

Posted  11/12/2012
A Disruptive Web Presence

Custom Search
Over 10,000 pages indexed! (none duped or pirated)

Read About RF Cafe
Webmaster: Kirt Blattenberger

RF Cafe Software

RF Cascade Workbook
RF Cascade Workbook is a very extensive system cascaded component Excel workbook that includes the standard Gain, NF, IP2, IP3, Psat calculations, input & output VSWR, noise BW, min/max tolerance, DC power cauculations, graphing of all RF parameters, and has a graphical block diagram tool. An extensive User's Guide is also included. - Only $35.
RF system analysis including
frequency conversion & filters

RF & EE Symbols Word
RF Stencils for Visio

Product & Service Directory
Personally Selected Manufacturers
RF Cafe T-Shirts & Mugs

RF Cafe Software

Calculator Workbook
RF Workbench
Smith Chart™ for Visio
Smith Chart™ for Excel
Your RF Cafe Progenitor & Webmaster
Click here to read about RF CafeKirt Blattenberger... single-handedly redefining what an
                                 engineering website should be.

View the YouTube RF Cafe Intro Video Carpe Diem! (Seize the Day!)

5CCG (5th MOB): My USAF radar shop

Airplanes and Rockets: My personal hobby website

Equine Kingdom: My daughter Sally's horse riding website