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# Spectrum Analyzer vs. Field Strength Analyzer

J

#### J Autt

Jan 1, 1970
0
I am looking for a handheld Spectrum Analyzer BK2650 (Link1 below) or
Field Strength Analyzer Protek 3290 (Link2). The problem is that I
cannot see the major differences between them, yet there's a major
price difference of $1000-2000. Can anyone tell me what the major differences between a spectrum analyzer and Field Strength Analyzer? Is it in demodulation ways, sweep speed, display freq span, or some extra stuff that I do not need as an amateur/electronics hobbyist? Thanks. Reference pictures: Link1 http://www.testequipmentdepot.com/b+k precision/2650.htm Link2 http://www.contacteast.com/product/group.asp?parent_id=10977 N #### News Jan 1, 1970 0 Spectrum Analyzer An instrument which displays the frequency spectrum of an input signal, usually amplitude vertical vs. frequency horizontal. Field Strength Analyzer Practical field-strength measurements call for an analyzer that is portable yet powerful. The model 3290 RF Field Strength Analyzer from PROTEK Test and Measurement (Allendale, NJ) is a handheld instrument that contains not only a full-featured spectrum analyzer capable of measurements from 100 kHz to 2.9 GHz, but also a sensitive frequency counter, a host of demodulators, and the choice of operating on batteries, AC, or vehicle DC power. Reference http://www.mwrf.com/Articles/ArticleID/8634/8634.html Regards, Erwin [email protected] R #### Robert Baer Jan 1, 1970 0 News said: Spectrum Analyzer An instrument which displays the frequency spectrum of an input signal, usually amplitude vertical vs. frequency horizontal. Field Strength Analyzer Practical field-strength measurements call for an analyzer that is portable yet powerful. The model 3290 RF Field Strength Analyzer from PROTEK Test and Measurement (Allendale, NJ) is a handheld instrument that contains not only a full-featured spectrum analyzer capable of measurements from 100 kHz to 2.9 GHz, but also a sensitive frequency counter, a host of demodulators, and the choice of operating on batteries, AC, or vehicle DC power. Reference http://www.mwrf.com/Articles/ArticleID/8634/8634.html Regards, Erwin [email protected] Field-strength measurements call for an analyzer that is portable and *sensitive* (NOT "powerful"; this is not a transmitter for moon bounce!). L #### Lewin A.R.W. Edwards Jan 1, 1970 0 Field-strength measurements call for an analyzer that is portable and *sensitive* (NOT "powerful"; this is not a transmitter for moon By "powerful" in advertising literature they probably mean lots of filtering/display options, connectivity, DSP functionality, that kind of thing. R #### Rich Webb Jan 1, 1970 0 I am looking for a handheld Spectrum Analyzer BK2650 (Link1 below) or Field Strength Analyzer Protek 3290 (Link2). The problem is that I cannot see the major differences between them, yet there's a major price difference of$1000-2000. Can anyone tell me what the major
differences between a spectrum analyzer and Field Strength Analyzer?
Is it in demodulation ways, sweep speed, display freq span, or some
extra stuff that I do not need as an amateur/electronics hobbyist?

Just curious (and I apologize for reincarnating a thread that's almost a
month old) but did you take the plunge on either of the instruments? I'm
tempted by the 3290 and wondered if you got it and what your thoughts
were.

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