MiniTiouner on 13cm

Discussion about the MiniTiouner board and the MiniTiouner Digital ATV Receive Software. See also http://www.vivadatv.org/index.php
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M0DHP
Posts: 92
Joined: Sun Sep 24, 2017 3:25 pm

MiniTiouner on 13cm

Post by M0DHP » Wed Oct 25, 2017 12:51 pm

Can a MiniTiouner receive on 2326MHz?

The wiki says that the latest Serit NIM works up to 2450MHz, while the datasheet (https://wiki.batc.tv/File:FTS-4334L_Series_F1.pdf) says the upper limit is 2150MHz. I don't know if 2150MHz is a hard limit (i.e. the NIM can't be programmed to go above that) or a soft one (it will work but with reduced sensitivity).

My first /P trip with the MiniTiouner was unsuccessful - not a hint of carrier from GB3TZ - QTH was Dunstable Downs three miles away. This may well be down to using only a homebrew 10 element Yagi at 2.5m AGL with no preamplifier or BPF, but I would like to eliminate the NIM range before I do more testing.

Thanks and 73
Ray M0DHP

M0SKM
Posts: 369
Joined: Sun Jul 13, 2014 3:15 pm

Re: MiniTiouner on 13cm

Post by M0SKM » Wed Oct 25, 2017 6:42 pm

Hi Ray
Both of my Serit MiniTiouners receive GB3TZ direct. I'm about 2.5km from TZ.

Steve
Find me on D Star through GB7BP

M0DHP
Posts: 92
Joined: Sun Sep 24, 2017 3:25 pm

Re: MiniTiouner on 13cm

Post by M0DHP » Wed Oct 25, 2017 6:54 pm

M0SKM wrote:Both of my Serit MiniTiouners receive GB3TZ direct. I'm about 2.5km from TZ.
Thanks, Steve. What antenna do you use?

M0SKM
Posts: 369
Joined: Sun Jul 13, 2014 3:15 pm

Re: MiniTiouner on 13cm

Post by M0SKM » Wed Oct 25, 2017 7:31 pm

Currently a Tonna 25 element yagi; relay switched for TX/RX.

Up to the point where my neighbours trees became a problem I was using a Wimo flat panel just outside the shack window; I got good results with it but it needed a small pre-amp.

From the downs you should pick it up on a small antenna fairly easily.

Video PID 32
Audio PID 33
FEC 3/4

Steve
Last edited by M0SKM on Wed Oct 25, 2017 8:01 pm, edited 1 time in total.
Find me on D Star through GB7BP

M0DHP
Posts: 92
Joined: Sun Sep 24, 2017 3:25 pm

Re: MiniTiouner on 13cm

Post by M0DHP » Wed Oct 25, 2017 7:46 pm

That's really useful data, Steve. Many thanks.

F6DZP
Posts: 217
Joined: Fri May 27, 2011 9:59 am

Re: MiniTiouner on 13cm

Post by F6DZP » Thu Oct 26, 2017 7:57 am

Hello,
Can a MiniTiouner receive on 2326MHz?
The wiki says that the latest Serit NIM works up to 2450MHz, while the datasheet (https://wiki.batc.tv/File:FTS-4334L_Series_F1.pdf) says the upper limit is 2150MHz.
Yes the datasheet says "250MHz up to 2150 MHz", but the NIM_synthesizer can be set from 143.75 MHz up to 2450 MHz.
As you say,
it will work but with reduced sensitivity
Jean-Pierre F6DZP

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