"broad familiarity" is correct and usable in written English.
You can use it to describe knowledge or experience which a person has a general understanding of, rather than in-depth knowledge of a subject. For example, "Although he has a broad familiarity with the topic, he doesn't know enough detail to answer our questions".
Unlike Zubin Mehta, Zarin never had aspirations as a performer, though he developed a broad familiarity with music early.
Mr. Mineta is popular on Capitol Hill, and brings to his new job a broad familiarity with transportation issues, especially aviation.
As always, Swift's prose is elegant and economical, displaying a broad familiarity with a huge range of subjects — from the science of conchology to the geography of coastal Scotland.
His main asset in dealing with Fiat's troubles will be his familiarity with the European and Latin American markets, Fiat's main areas of activity, as well as a broad familiarity with Fiat products.
Analysts say that former Bank of Spain officials at the fund should have made more aggressive use of its bully pulpit in light of their broad familiarity with the Spanish banking system.
My work demonstrates a broad familiarity with medicine, genomics, and biotech, and while I haven't written ad copy, I'm familiar with the major pharma and biotech brands.
In a bigger, slicker production, everybody -- the divorced mother, her flaky sister, the headstrong daughter, the dad's buxom new girlfriend -- would most likely be played with broad sitcom familiarity.
This chapter provides the reader with a broad working familiarity and understanding of exergy and analysis techniques based upon it by discussing the broader aspects of exergy in areas such as economics and environment and illustrating applications of exergy to many different systems in hopes of explaining how to apply exergy methods beneficially.
Whether she truly does not know what the "kill list" is or she believes she can get away with lying about not knowing, either way it signals an overall lack of broad, nationwide familiarity with America's drones strikes and the deep questions and implications that linger.
For the first time in 30 years, Harvard University has reviewed its undergraduate curriculum, concluding that students need more room for broad exploration, a greater familiarity with the world that can only be gained from study abroad, and a deeper, hands-on understanding of science.
Upon the outbreak of the Civil War, McClellan's familiarity with broad strategic issues and his knowledge of the potential military applications of railroads made him a valuable asset to the Union cause: within weeks of the surrender of Fort Sumter, he received a commission as a major general in the regular army and command of the Department of Ohio.
