>-----Original Message-----
>From: marti...@appliedbiosystems.com
>[mailto:marti...@appliedbiosystems.com]
>Sent: Wednesday, November 14, 2001 10:15 AM
>To: emc-p...@majordomo.ieee.org
>Subject: Pre-amps
>
>
>
>I am having some difficulties locating manufacturers that
>provide preamps
>with a 20-22dB gain.
>
>What manufacturer/model do you recommend? Why?
>
>Your assistance is appreciated.
>
>Regards
>
>Joe Martin
>Applied Biosystems
>
>
My choice for a pre-amp usually starts with the assumption of minimum noise
figure and a large, flat bandwidth. For instance, a 1 GHz to 2 GHz octave
bandwidth pre-amp, with an NF of 0.5 dB and a gain of about 30 dB. Or an 8
GHz to 12 GHz, 1 dB NF, 26 dB gain model.
With that assumed, I usually look to Miteq for a basic amplifier module,
likely with SMA connectors and an external 15 VDC power supply. Depending on
frequency and how low a NF you want to buy, prices range from a few hundred
to a couple of thousand dollars.
If you can tolerate the experience, watch eBay, as they have a continuous
flow of RF hardware being offered for auction.
Ed
Ed Price
ed.pr...@cubic.com
Electromagnetic Compatibility Lab
Cubic Defense Systems
San Diego, CA USA
858-505-2780 (Voice)
858-505-1583 (Fax)
Military & Avionics EMC Services Is Our Specialty
Shake-Bake-Shock - Metrology - Reliability Analysis
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