Quote:
Originally Posted by Bazz4CQJ
but what is there that needs 0.1 to 2400MHz?
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Low noise preamp for a spectrum analyser (they normally have an input noise fig of a bit over 20dB)
preamp for an Icom R9000 stuck up the mast on a discone.
Lots of uses for small amps at various frequencies. One design which covers 1-2400 MHz will do the lot. If you did a narrowband design, you'd have to do a lot of different designs.
1-2400 MHz is really the spread of applicability. The little beastie may be a worthwhile thing in an application even if that application uses only a tiny fraction of its capability. I use MMIC amplifiers spec'd for 10-6000MHz on the front end of a receiver tuned to a spot frequency of 1030MHz. A 1020 to 1040MHz amp would be fine, but nobody makes such a limited MMIC and the price would be bad if they did.
David