Good news for anyone playing and developing cheap SDR technology with the Elonics E4000 (e4k) tuner chip: Until now, working with the chip has mostly been guesswork and trial and error through reverse engineering, in order to get the SDR's to work. Today the complete Elonics E4000 reference documentation was leaked, so grab and mirror the e4k datasheets and application notes, while they are hot and available:

https://skydrive.live.com/redir?resid=E55F3F5F75B5A7BB!1160

Thanks for sharing :)