X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=Notebook;h=8752c43270270df7384e3d00f1fc95616b0f3cbb;hb=bdf7e1ed2d3a18d6d79499ca4737c308465a335e;hp=457029a30d4ef61ad40c52ce12dfeae96d671c44;hpb=ebb705e712cc6f4cfcf48153eb73cd380a5b9850;p=hw%2Ftelemetrum diff --git a/Notebook b/Notebook index 457029a..8752c43 100644 --- a/Notebook +++ b/Notebook @@ -204,3 +204,7 @@ - chatted with Adrian some yesterday. He likes a Bosch pressure sensor that is DK 828-1005-1-ND .. i2c output, similar range to our current part but smaller, around $5 at our build quantities. + +2011.12.10 +- the Johanson balun/filter for 70cm use with cc1111 is DK 712-1540-1-ND + uses less PCB area, but lower performance than the discrete approach