1. edit: as i had this pointed out for me by amateurs far and near, the sdr mk1 has now diversity mode implemented and working nice! this means, that second channel can be used for noise canceling if desired.
please check blog post at
http://uvb-76.blogspot.com/2011/06/sdr-mk1-radio-has-now-diversity-mode.html for more information.
the in-depth specifications, as well as the full description of the design and schematic can be found from the
http://uvb-76.net website at the sdr mk1 section. some technical details hereby:
5khz to 30mhz frequency range
0.02hz tuning resolution
123db total dynamic range (with agc)
64mhz internal sampling rate
user programmable agc (automatic gain control) with enhanced power detector
48khz/16-bit (ch a or b) + 12khz/16-bit (ch a or b, upgradable to 96khz/16bit with proprietary driver) output sample rate
128mhz to 160mhz band option available for both channels (using adc undersampling) (requires average soldering skills to replace on-board filters with filter board sold separately).
posibility to add pre-selector bandpass filters for amateur band (requires average soldering skills to replace on-board filters with filter board sold separately).
compatible with most free sdr software, such as sdr-radio, powersdr, winrad, linrad etc.
possibility for tuning and setup using serial port console screen
powered from usb port or external 6vdc adapter (not included)
2x bnc antenna connectors (mfg: rosenberger)
max current consumption 470ma
open software and hardware design for diy development, filter upgrades etc.
