Function Generators, Generators B8003FD – Protek Function Generators August 20, 2013 Jeff Newman B8003FD – Protek Function Generators 3.0MHz (Frequency Range Max.) Share this:Share on Facebook (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on StumbleUpon (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Google+ (Opens in new window)Click to share on Reddit (Opens in new window)