Search found 5 matches
- 02 Jan 2021, 08:29
- Forum: Building MK-VII a.k.a. Paraset
- Topic: Dc-dc 45-390v psu?
- Replies: 4
- Views: 22334
Re: Dc-dc 45-390v psu?
Hi everybody, I had this 70W modules in focus for a while. The first test showed, that the massive changes in load using morse code is not good for them. They are very stable, nearly no voltage drop, but regulation is too slow. I got often unproper oscillation when pressing the key. Now I added a Pi...
- 16 Feb 2020, 11:10
- Forum: Building MK-VII a.k.a. Paraset
- Topic: Dc-dc 45-390v psu?
- Replies: 4
- Views: 22334
Re: Dc-dc 45-390v psu?
If you plan to use those fixed value modules be sure they are "isolated". I use 1W Modules, 12V to 24V in my Mk XXI. The current is limited to 42mA. See www.qrz.com/db/dj5re and scroll down to see the MK XXI. With 6x 24V I run the transmitter.... If you choose 12V/12V versions, the current...
- 16 Feb 2020, 11:02
- Forum: Building MK-VII a.k.a. Paraset
- Topic: MkXXI Mk21: Looking for schematics
- Replies: 3
- Views: 21468
Re: MkXXI Mk21: Looking for schematics
Not so far. Contacted one museum in Norway, but they will not open the box. I made it as close as possible to the original, using the nice pictures I got from Norway. It works fine....but I can't prove I use 100% the original schematic.
See www.qrz.com/db/dj5re to see the finished set!
See www.qrz.com/db/dj5re to see the finished set!
- 03 Oct 2019, 15:36
- Forum: Building MK-VII a.k.a. Paraset
- Topic: New forum....Thanks to Henk!
- Replies: 1
- Views: 9177
New forum....Thanks to Henk!
Hi Henk, I want to thank you for this forum. The old paraset forum is really missing!
I hope we get traffic soon! All my radios are no more on my personal homepage.
I put them on www.qrz.com/db/dj5re
Tom, DJ5RE
I hope we get traffic soon! All my radios are no more on my personal homepage.
I put them on www.qrz.com/db/dj5re
Tom, DJ5RE
- 07 Nov 2018, 17:21
- Forum: Building MK-VII a.k.a. Paraset
- Topic: MkXXI Mk21: Looking for schematics
- Replies: 3
- Views: 21468
MkXXI Mk21: Looking for schematics
Hi everybody!
I found the knobs to post messages. Thanks Henk! Anybody has an idea how to get the schematics of the English MkXXI, both transmitter and receiver wanted!
Thanks for any help!
Tom, DJ5RE
I found the knobs to post messages. Thanks Henk! Anybody has an idea how to get the schematics of the English MkXXI, both transmitter and receiver wanted!
Thanks for any help!
Tom, DJ5RE