newbe_1957 wrote:

How do you choose a I.F. when homebrewing a H.F. receiver with BFO? I
want to build a receiver that covers all H. F. amateur bands. I am a
little confused on how to pick the type of crystal filters to use.
thanks

Yes to all the OP, but you also need to pay attention to spurious
responses caused by mixing harmonics of the LO with harmonics of the RF.
The '76 ARRL handbook has a nice nomograph for this; I devised one for
my own use but it would take a 5000 word article to explain it.

--

Tim Wescott
Wescott Design Services
http://www.wescottdesign.com