RF ICs

[Andre' Kesteloot]

Talbot Andrew wrote:

> Thanks to everyone who replied re RF amplifier ICs
> Several suggested the Analog Devices AD600 - AD603 family so obtained
> the data sheets for these........
>
> They are a receiver designers dream !!
>
> AD600 has TWO  40dB gain stages, each with an accurately calibrated
> voltage driven attenuator giving a control range of 40dB.  So in total 0
> - 80dB gain using both stages.  Only snag is the device is £22 (+ VAT)
> from Farnell.  Its also available in standard DIL packaging as well as
> SMT - makes breadboarding a bit easier (at low frequencies anyway)
>
> 80dB is probably a bit too much gain, so the AD603 which is broadly
> similar to one of the '600 stages, with 50dB gain max at below 9MHz and
> again 40dB of range will probably do, along with one other switchable
> amp in the RF chain.   This device is ony £9 from Farnell and in an 8
> PIN package too.
>
> I like Analog Devices chips - they have a huge range of useful, well
> thought out, ....  analogue devices !
>
> Andy  G4JNT
>
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