[hpsdr] Mercury as VHF Receiver

[Helmut, DC6NY]

Gary, Greg:

Good bandpass selection is important for undersampling. Helical resonators
provide high Q (>200), so that a multipole BPF can exhibit excellent
stopband performance enough to cancel FM broadcast interference.

73, Helmut, DC6NY


-----Ursprüngliche Nachricht-----
Von: hpsdr-bounces at lists.openhpsdr.org
[mailto:hpsdr-bounces at lists.openhpsdr.org] Im Auftrag von Gregory W.
Ratcliff
Gesendet: Mittwoch, 31. Juli 2013 17:03
An: hpsdr at lists.openhpsdr.org
Betreff: Re: [hpsdr] Mercury as VHF Receiver

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