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Christian Daniel -- maintech GmbH cd at maintech.de-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi Alexander, the monster DAC was our first idea since it is already on stock. The cost for sourcing and stocking a new part should never be underestimated... Also the 160MSPS allow us to interpolate e.g by 1:100 and then only apply very simple post-DAC filtering, as the first mirror is very far away. Also 375MHz and up is a bit mood from my POV since our E4000 starts at about 65MHz. The ham radio 144MHz band should be covered as should the "NATO band". Best regards, Christian On 21.03.2012 20:45, Alexander Chemeris wrote: > Hi Christian, > > Why do you want 160MSPS DAC when you have only a USB connection? > IIRC USRP1 in 16-bit mode could not do more then 8MSPS (i.e. 4MSPS > in each direction). > > Btw, for about the same BOM cost you could get a single chip > transceiver we use for UmTRX > (http://www.limemicro.com/lms6002d.php). Though its tuning range > is a bit higher - 375MHz-4GHz, so it doesn't fit if you need > frequencies below 375MHz. - -- - --------------------------------------------------- | maintech # Dipl. Inf (FH) Christian Daniel | | GmbH ### Otto-Hahn-Str. 15 · D-97204 Höchberg | - --------------------------------------------------- | AG Würzburg, HRB 8790 Tax-ID DE242279645 | - --------------------------------------------------- | http://www.maintech.de cd at maintech.de | - --------------------------------------------------- -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iQEcBAEBAgAGBQJPavEfAAoJEHkgzUIsAWrify4IAJimnL7T51rvqVxHOdHIN40d A8X69WwnRuAdmfDNNmQJkBNOk+c76O9qqWWpfEJH0mJ32UEKNvenfDA6EgJOk0+v JaAWLmpCg6ozPOK0whSe9NMQBevHkmgYzEY1lyqDDvMCRKKDJ/+0kvKKBYUmhEwC wlvbuC9pkqixBpmsMx5BAnJK1Eg1Syr8LQRaiJecRC16CypsLyq3Ar40pM/bhV6R KU96qPS+X8o7FOYUSR/75lhXRrnuvQoDS6AzMd2LSsfY17Cr58YC9eLWucTh53iK 1w7xBzvDKWKjLYFPeFV6DlqDGLuViTE73xeyE2dX2CLV9ewa7mRq4g04W3ha2Uw= =2vNI -----END PGP SIGNATURE-----