Electronics and Electrical CrystalsFox Electronics #1 for Frequency Control Solutions Representatives & Distributors | Press Release s | Our Company | Contact Us | Site Map | Search Crystals Oscillators XpressO TCXOs VCXOs OCXOs Filters JITO-2 Engineering Info Reference Material XpressO Quick Links: New! Jitter Characteristics Oscillator Selection Guide About XpressO VCXO Selection G uide F REQUENCY C ONTROL M ADE E ASY!!!! For over a quarter century, Fox has helped engineers worldwide meet their toughest frequency control needs. We do it with the world's broadest line of crystals , fixed and