I've re-run the crystal filter intermodulaton tests this morning, with 2
KHz generator spacing. This allows the IMD products to fall within the
filter passband, and gives a more useful picture of the total filter
performance.
Details and plots are at http://www.cliftonlaboratories.com/Updates.htm.
Look for the 04 July 2007 entry.
The revised data shows IP3 of +23 dBm over an input signal range of +8
dBm to -12 dBm. The manufacturer's recommended maximum input level is
-10 dBm.
Jack K8ZOA
www.cliftonlaboratories.com
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