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ADI launches quadband VCOs offering wideband capabilities

Analog Devices has announced a series of quadband voltage controlled oscillators (VCOs) that offer wideband capabilities, but without compromising phase noise performance.

The new quadband VCOs offer a wider RF response and more frequency flexibility than narrowband VCOs. They also provide lower phase noise than traditional single-band wideband VCOs, while continuing to provide low current consumption. These features enable faster time to market for the end applications.

The quadband VCO series offers ultra-wideband capabilities with fundamental frequencies ranging from 8.3GHz to 26.6GHz. In addition to providing low phase noise, the VCOs do not generate sub-harmonic frequency tones. This combination of wideband capability and low phase noise is essential in many of today’s high-end instrumentation and aerospace and defence applications.

Quadband VCO Features and Benefits include:

  • Integrated fundamental oscillators, resulting in no sub-harmonic tones being generated by any multiplication effects in the device
  • Short switching time between VCO bands without voltage overshoot
  • Low supply current consumption (as low as 60mA Typ)
  • Lower tuning voltage than traditional single-band Wideband VCOs, and narrower sensitivity versus frequency, reducing the complexity of the loop filter design
  • Encapsulated in a small 40-lead 6x6mm LFCSP SMT package.

Author
Neil Tyler

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