[DSP-10] sequencing and control question

kd7ts kd7ts at comcast.net
Wed Nov 3 02:30:16 EDT 2010


Courtney or anyone interested..

Here is what I have so far.

http://home.comcast.net/~kd7ts/html/SI4133/432TVTR1.sch
http://home.comcast.net/~kd7ts/html/SI4133/432TVTR1.PCB

This has not been built, so don't take this as any more than day dreams.

I started this project to use the DSP-10 as an IF radio for 24 GHz. The  
goal is to have performance similar to an IC-402. The receive path may  
have too much gain, and the transmit path may have too much power, but I  
don't see this a being as bad as having too little drive and no gain.

Sorry for the long URL, but I couldn't convince my FTP program to load  
into the root directory. Comcast is funny that way.

The board has 2 halves, a transverter and a synthesizer. The schematic is  
split into 4 pages. Part numbering allows net checking of both projects.  
My plan is to use a synthesizer at 576 MHz.

Most of the parts have Mouser part numbers. The filters are TOKO surface  
mount and Mini Circuit Labs. Mixers are ADE-2, also from Mini Circuit  
Labs. The RA07H4047M is available from RF Parts.

There are also helical filters available from Temwell, but no surface  
mount versions. I think the Temwell could be made to work without too much  
work.

73 Mike KD7TS


More information about the DSP-10 mailing list