Circuit diagrams for Czech TAKT1/RF10 Military VHF transceiver? - UK Vintage Radio Repair and Restoration Discussion Forum

Arqiva BOC · 11th May 2017, 11:22 am

A bit of a long shot I know, but does anyone have circuit diagrams for the Czech military VHF FM transceiver TAKT1/RF10?

The set covers 44 - 59MHz, in 25kHz steps. Usable at a push on 6m but would be far more useful if it could be converted to 4m.

I appreciate that such a conversion would be a big undertaking, but the clincher will be the type of frequency control/synthesiser - if that can be moved then the rest will follow.

I dont actually have a TAKT1 at present (cant justify the cost just yet) otherwise i'd of course look under the lid...

ex seismic · 12th May 2017, 10:17 am

Having just received one of these I can do you a scan of the block diagram, but not the circuits. It won't be very good as the original is poor, and of course in Czech.

Seems like a nice set and all sorts of goodies with it, the battery is currently charging, and is accepting charge, which is an unexpected bonus.

Gordon
G7KNS

Arqiva BOC · 12th May 2017, 2:02 pm

Cheers Gordon, that would be great,

It might give me some clues at least.

Depending on internal build and space, it might even be possible to replace the original synth with a modern DDS. I looked at doing that for the Clansman PRC320, but the various control/tuning voltages it also produces make it impractical

ex seismic · 12th May 2017, 3:53 pm

Good luck!

ex seismic · 12th May 2017, 6:29 pm

Have a look at these, I think they are what you want from the couple I've looked at.

http://rf-10.wz.cz/uschovna/

Gordon

11th May 2017, 11:22 am	#1
Arqiva BOC Retired Dormant Member Join Date: Aug 2014 Location: Emley Moor, West Yorkshire, UK. Posts: 92	Circuit diagrams for Czech TAKT1/RF10 Military VHF transceiver? A bit of a long shot I know, but does anyone have circuit diagrams for the Czech military VHF FM transceiver TAKT1/RF10? The set covers 44 - 59MHz, in 25kHz steps. Usable at a push on 6m but would be far more useful if it could be converted to 4m. I appreciate that such a conversion would be a big undertaking, but the clincher will be the type of frequency control/synthesiser - if that can be moved then the rest will follow. I dont actually have a TAKT1 at present (cant justify the cost just yet) otherwise i'd of course look under the lid...

12th May 2017, 10:17 am	#2
ex seismic Heptode Join Date: Sep 2009 Location: Tonbridge, Kent, UK. Posts: 686	Re: Circuit diagrams for Czech TAKT1/RF10 Military VHF transceiver? Having just received one of these I can do you a scan of the block diagram, but not the circuits. It won't be very good as the original is poor, and of course in Czech. Seems like a nice set and all sorts of goodies with it, the battery is currently charging, and is accepting charge, which is an unexpected bonus. Gordon G7KNS

12th May 2017, 2:02 pm	#3
Arqiva BOC Retired Dormant Member Join Date: Aug 2014 Location: Emley Moor, West Yorkshire, UK. Posts: 92	Re: Circuit diagrams for Czech TAKT1/RF10 Military VHF transceiver? Cheers Gordon, that would be great, It might give me some clues at least. Depending on internal build and space, it might even be possible to replace the original synth with a modern DDS. I looked at doing that for the Clansman PRC320, but the various control/tuning voltages it also produces make it impractical

12th May 2017, 3:53 pm	#4
ex seismic Heptode Join Date: Sep 2009 Location: Tonbridge, Kent, UK. Posts: 686	Re: Circuit diagrams for Czech TAKT1/RF10 Military VHF transceiver? Good luck! Attached Thumbnails

12th May 2017, 6:29 pm	#5
ex seismic Heptode Join Date: Sep 2009 Location: Tonbridge, Kent, UK. Posts: 686	Re: Circuit diagrams for Czech TAKT1/RF10 Military VHF transceiver? Have a look at these, I think they are what you want from the couple I've looked at. http://rf-10.wz.cz/uschovna/ Gordon