The phrase "a small spectrum of" is correct and usable in written English.
It can be used to describe a limited range or variety of something, often in contexts like discussions about options, choices, or characteristics.
Example: "The study focused on a small spectrum of colors that are most appealing to consumers."
Alternatives: "a limited range of" or "a narrow selection of".
Review the cultural values of Business Process Management Policy Retail Bhattacharya et al. 2011 Online / 74 Most retailers are still focusing on a small spectrum of Radio Frequency Identification (RFID) possibilities, and not considering a broader perspective.
Because I'm kind of from a small spectrum of people who work with tiny sequencing of lights.
Most of the primers showed a weakness in finding targets in a small spectrum of eubacteria phyla (Fig. 3).
Process measures can provide important information about the quality of care and guide improvement efforts; however, these measures necessarily focus on a small spectrum of the overall care provided to hospitalized patients.
In cassava, a less dense network was generated, possibly due to the low number of microarray experiments that only cover a small spectrum of conditions.
This was particularly true for AMC and CXM, antibiotics with quite a small spectrum of activity, where AMC- and/or CXM-resistant mutants or additional isolates were frequently found.
The overall CHAQ score showed the same course over time as the other clinical scores, but had a smaller spectrum of absolute values.
The limitation of this fast single-probe test is the relatively small spectrum of Mycobacterium spp. [ 8, 9].
Regarding the opposite setting with random supply and deterministic demand, literature offers a considerably smaller spectrum of solution schemes.
On the other side of the picture, the current allocation state of the spectrum is overcrowded and there is a small portion of spectrum left available for new emerging wireless services.
