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Re: TR-7 and R-4C 5.645 Crystal Filters

 

I do no know if this internet AI search information is correct or not?
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Search results:
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1. Drake R-4C 1st IF filters have an input and output impedance of 1000 ohms.
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2. Drake R-4C 2nd IF filters have an input and output impedance of 50 ohms.
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3. Drake TR-7 filter impedance's were not found.
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Chuck
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