I have a Samsung Galaxy Fit smartphone and want to browse the web on it using BroadBand connection (the one i use for my pc connection to Internet) in Windows 7.
From everything I have read about this topic, it is possible to do on a linux machine, but not with a windows machine. this could be because of something with ADB on windows, or the USB drivers for windows.
Here is the info (note that this reference was done with a Nexus One):
See Network Connection Bridge Help to setup bridges
You should now be able to connect to Internet on your phone using your computer's Internet connection.
Try to do a ping www.google.com to be sure
To shut down the reverse-tethering, first unbridge interfaces on your computer:
Then on your phone, uncheck the USB Tethering option
The best and simplest idea in the long run would be to get a wireless broadband router that also supports ethernet (wired networking). Your pc can still use cables and your android phone just connects to it using wi-fi.
Without a wi-fi router you still have a few more options that work with Windows, as long as your pc has wi-fi (which you can get using a simple USB network card that costs less than 20 USD). In this case you have a few options (in order of recommendation):