From: cmh@eng.cam.ac.uk (C.M. Hicks)
Subject: Re: MICROPHONE PRE-AMP/LOW NOISE/PHANTOM POWERED
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davidj@rahul.net (David Josephson) writes:

>In <C5JJJ2.1tF@cmcl2.nyu.edu> ali@cns.nyu.edu (Alan Macaluso) writes:

>>I'm looking to build a microphone preamp that has very good low-noise characteristics,  large clean gain, and incorportates phantom power (20-48 volts (dc)) for a PZM microphone.  I'm leaning towards a good, low-cost (??) instrumentation amplifier to maintain the balanced input from the microphone, for its good CMRR, internal compensation, and because i can use a minimal # of parts.  

>>Does anyone out there have any experience, suggestions, advice, etc...that they'd like to pass on, I'd greatly appreciate it.

>Without doing anything really tricky, the best I've seen is the
>Burr-Brown INA103. Their databook shows a good application of this
>chip as a phantom power mic pre.

I've had very good results from the SSM2016 from PMI (part of Analogue
Devices). They have also now introduced the SSM2017 which looks good on
paper, but which I haven't tried yet.

Christopher
--
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  Christopher Hicks    |      Paradise is a Linear Gaussian World
  cmh@uk.ac.cam.eng    |    (also reported to taste hot and sweaty)
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