EMRFD Message Archive 680
Message Date From Subject 680 2007-05-01 11:05:02 wbdmxbaileybobbut... I Q vfo that vfo pcb that is in the files section, if I understand it correctly
the 4 outputs are for feeding a up converter or a down converter
I am thinking about building it for a sig gen for the bench.
second question, after reading the post about the LMH 6703 OP amp I
ordered two samples and the EV board, got them today.
now I this the same type of OP amp that is used on the DDS 60 doughter
I am new to all this IQ and toroid winding stuff and am getting into it
as best as I can,
if I understand it correctly the I and Q signals are RF at the same
frequency but with the phase shift, correct ?
thanks for the help
705 2007-05-03 16:51:10 topossibilities Re: I Q vfo > that vfo pcb that is in the files section, if I understand itThe design has 2 pairs of I-Q outputs because I was building a
> the 4 outputs are for feeding a up converter or a down converter
> correct ?
transceiver and used one pair was for the receiver section and the
other for the transmit section.
> if I understand it correctly the I and Q signals are RF at the sameYes.
> frequency but with the phase shift, correct ?
Lots of books, parts, kits, test equipment for sale at:
708 2007-05-03 19:18:09 wbdmxbaileybobbut... Re: I Q vfo