ladder filters
I have about a half dozen 3.333mhz and 5.0688 crystals.
Each group is with in 100hz of the same frequency when put into a simple oscillator. I also have a few 11.0592 crystals that are almost as close (probably should get a few more of these). The 5.0688 and 11.0592 are in HC49/U cans, the 3.333 are in a somewhat larger sized can. Wonder if any of these groups would make a good ladder filter for a receiver IF strip? I would guess the 3.333 ones would be better for CW, the 11.0592 for ssb, and the 5.0688 might be a compromise either way? |
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