Voltage Controlled Crystal Oscillators (VCXOs) are used for fine adjustment of the operating frequency and are normally used in conjunction with a phase locked loop. The frequency of oscillation of a VCXO can typically be varied by up to a 150 parts per million (ppm) because the high Q factor of the crystals allows 'pulling' over a small range of frequency.VCXO applications include telecom, test and broadcast equipment as they enable users to adjust the oscillation frequency while the circuit is active and so match an incoming signal. IQD’s VCXO models are available with a wide range of different 'pulling' (sometimes referred to as the 'VCXO tuning range') and outputs. We also offer low jitter and low phase noise VCXOs and custom designs can be considered for specific applications.
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Backed by a pedigree that has been developed over 40 years, IQD Frequency Products is a recognised market leader in the frequency control market. With active customers in over 60 countries, IQD offers one of the most comprehensive frequency product ranges available, from low cost commercial grade product to that used in high reliability military and professional grade applications.
We take a partnership approach to working with our customers. Our experienced multilingual Sales, Application Support and Engineering teams guide customers from design stage through to full production. IQD’s products are specified by leading manufacturers in the aerospace, automotive, communications, computing, consumer, industrial, medical and military industries throughout the world. We work with several premier IC designers and are approved on a variety of reference designs.
Quality and customer service are the cornerstones of our success and we are absolutely focused on consistently meeting and exceeding customer expectations. We continuously invest in being able to assure our customers of the highest standards throughout our businesses and regularly welcome customer and other audits. Our quality management system is constantly evolving to meet the changing requirements of the electronics industry.