At 11:36 AM 1/26/2012, Chris Albertson wrote:
The "option 2" that is in the book is different from the fine scale
adjustment the current $40 can do. the true option two units can be
programmed over a range of many MHz by sending RS232 commands but the
current units can only by programmed over rs232 withina very narrow
range about like you'd find on a typical OCXO.
I don't think this is accurate--the FEI tech manual for option 2
claims tuning resolution of 1.8e-7 Hz, so 32 bits of that is about
770 Hz of tuning range.
*Maybe* option 8 (customer specified frequency 1 Hz to 20 MHz) is the
wide range RS-232 tuned variant?
--
newell N5TNL
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