Precise Voltage Controlled Frequency Adjustment
Precise Voltage Controlled Frequency Adjustment
A voltage-controlled crystal oscillator (VCXO) allows the output frequency to be fine-tuned by varying the control voltage. VCXOs are normally used with a phase-locked loop (PLL), and frequency adjustment is possible down to the parts-per-million (ppm) level.
IQD offers VCXO models with a range of pulling options, also known as VCXO tuning ranges. Output options include CMOS, HCMOS, sinewave, LVDS, LVPECL and differential sinewave.
Selected IQD VCXOs are available with tight stability, low phase noise and low jitter. Customisable designs can also be considered for specific applications.
For information of specifying a VCXO for your design click here: App Note | Specifying VCXO
VCXOs are used in telecommunications, test equipment and broadcast equipment.
Call IQD to request a quote or place an order, our team supports customers worldwide with enquiries about IQD frequency products, including quartz crystals and oscillators. Alternatively, you can purchase through authorized distribution partners. Contact Us

VCXO Pulling can be specified in one of two ways:
Read more about Specifying VCXO and Pulling here
Telecommunication, test and broadcast equipment, wireless infrastructures, digital audio and video processing, phase-locked loops [PLL], and industrial process controls, optical networking: SONET/SDH.
IQXV-114 – Package Size: 7050, In Timestamp for CCTV and Hi-temperature and Radiation-tolerant camera systems
Learn more about other frequency products from IQD...
For more information about any of our parts or for help with your design-in, you can contact our Sales Team, Application Support or Engineering on +44 (0) 1460 270200, or click Contact Us below to submit your enquiry.

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