Re: rf amplifiers

Gary Turner (sdsnmr@mailhost.shout.net)
Thu, 1 May 1997 17:59:39 +0000

> From: "Fred Morin" <MORIN@OMC.Lan.McGill.CA>
> To: ammrl@bloch.cchem.berkeley.edu
> Date: Thu, 1 May 1997 14:20:32 EST5EDT
> Subject: rf amplifiers
> Priority: normal

> Hello all -
>
> I have to replace an amplifier on one of my solid state instruments
> and I am looking for sources. Specifically, I need the following:
> an amp capable of 25-30 W output (using about 1mW input, therefore
> providing a gain of about 45 dB), with a range of say 10-50 MHz, but
> with noise blanking also. This is used as a driver amp, the output
> going into a final stage power amp, for the observe side of the
> instrument, hence the need for the blanking.
>
> ENI doesn't make these anymore. I know about AMT and Kalmus as
> potential suppliers. Does anyone know of other sources? New or
> refurbished. I could replace both the driver and final stage amps
> with one new one but at substantially higher cost so that's not
> really a viable option.
>
> Thanks.
>
> Fred Morin
> Dept. of Chemistry
> McGill University
> (514) 398-6219
> (514) 398-3797 (fax)
> morin@omc.lan.mcgill.ca
>

You can also give IFI and Model Line NMR a look. You can access their
websites, and other amplifier websites, from the "Links to NMR Equipment
and Supplies" section of our website, www.sdsnmr.com.

Gary
************************************************************************
Gary Turner
Spectral Data Services, Inc. Contract NMR Data Acquisition
818 Pioneer St. Used NMR equipment newsletter
Champaign, IL 61820
phone : (217)352-7084
fax : (217)352-9748
e-mail :sdsnmr@sdsnmr.com
http://www.sdsnmr.com