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MMD ISO Recertification
MMD has been recertified for ISO9001:2008 through 2015....

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ILSI America LLC announces the acquisition of MMD Monitor/Quartztek
ILSI America LLC is pleased to announce the acquisition of MMD Monitor/Quar...

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A Global Leader in Frequency Control Products

With over 75 years of experience in the frequency control market, MMD Monitor/ Quartztek is a market leader in innovative timing solutions. MMD specializes in both commercial and high reliability products for communications, consumer, industrial, military, space, and high reliability markets.

Your Complete Timing Solution Provider

MMD Monitor/Quartztek's portfolio of products include commercial and precision quartz crystals, oscillators, TCXO's, VCXO's, and OCXO's available in a wide variety of through-hole and surface mount packages. MMD's in-house design and manufacturing capabilities allows us to offer you the ultimate flexibility for your timing needs.