s-band
Specialist Contributor
- Joined
- Feb 7, 2016
- Messages
- 1,198
- Reaction score
- 1,858
- Points
- 113
- My Satellite Setup
-
1.5m IRTE PF, Octagon OSLO external Ref., TBS6983,
Various L, S, C, X & Ka bits. 1.2m S/X/Ku/Ka Prodelin on Az-El (being refurbished)
- My Location
- Essex
Even if you don't want to use the S-band innards, the box is ideal for LNAs etc see
OE7 Amateurfunkforum • Thema anzeigen - DVB-T Neuer Standard-Neue Möglichkeiten für den Amateurfunk
I got one from here: MMDS Aerial Down Converter Antenna Downconverter Amateur Ham Surveilance Chorus
but in the US they are only ~£3 each in 8 off ($lots for shipping to UK). Aliexpress has listings for many versions covering other frequency ranges.
The down converter did what it was supposed to ~2.5dB NF but the phase noise is not wonderful. It is specified 2.5-2.7G but is usable down to 2.4G. It is very easy to change the antenna for a 1" flange socket (I used SMA but N or TNC could also be waterproof). There is a gasket sealing around the antenna/connector flange.
It would also be easy to change the LO a bit by changing the crystal. I haven't tried but it should be possible to modify the LNA to 1.5GHz. The mixer & filters don't lend themselves to moving far.
OE7 Amateurfunkforum • Thema anzeigen - DVB-T Neuer Standard-Neue Möglichkeiten für den Amateurfunk
I got one from here: MMDS Aerial Down Converter Antenna Downconverter Amateur Ham Surveilance Chorus
but in the US they are only ~£3 each in 8 off ($lots for shipping to UK). Aliexpress has listings for many versions covering other frequency ranges.
The down converter did what it was supposed to ~2.5dB NF but the phase noise is not wonderful. It is specified 2.5-2.7G but is usable down to 2.4G. It is very easy to change the antenna for a 1" flange socket (I used SMA but N or TNC could also be waterproof). There is a gasket sealing around the antenna/connector flange.
It would also be easy to change the LO a bit by changing the crystal. I haven't tried but it should be possible to modify the LNA to 1.5GHz. The mixer & filters don't lend themselves to moving far.
Last edited: