A great time to plug the yahoo rfamplifiers group where various
members would reply to your questions.

http://groups.yahoo.com/group/rfamplifiers/

cheers,
skipp

: wrote:
: Hi,

: I've been sleceting inductors for chip amplifiers based on the
: datasheets, but I would really like to understand what I should be
: doing.

: If I am designing an amplifer that is to operate over say 3.4 to
: 4.2GHz, should I be looking for an inductor with self resonance above
: that band, or at centre frequency, and why?

: (I know that at self resonance, the inductor will be resistive, below
: inductive, and above capacitive, but I don't know what I should be
: looking for.)

: Should I be looking for high Q or low Q, and for what reasons would I
: choose each.

: What numerical values actually equate to High Q and Low Q?

: Is Q of 9 low, and Q of 35 high, for example?

: thanks