Image

Digitally Tuned Source Hits 18 GHz

July 25, 2012
Ideal for rugged military environments, model DTO-218-CD-1 is a digitally tuned oscillator (DTO) from Planar Monolithics that operates from 2 to 18 GHz with low drift and high spectral purity.

Ideal for rugged military environments, model DTO-218-CD-1 is a digitally tuned oscillator (DTO) from Planar Monolithics that operates from 2 to 18 GHz with low drift and high spectral purity. Designed for +28-VDC supplies, it features fast settling time of 1 μs to settle within ±3 MHz of a final tuned frequency and at least ±2 MHz frequency accuracy at room temperature (+25°C). Frequency drift has been minimized to a mere ±0.1 MHz/°C.

The oscillator exhibits maximum pulling of ±1 MHz into a 2.0:1 VSWR and worst-case pushing of ±500 kHz/V. It supports a minimum modulation bandwidth range of DC to 9 MHz with at least +10 dBm output power and phase noise of -60 dBc/Hz offset 100 kHz from the carrier. Maximum harmonics are -20 dBc while maximum nonharmonic spurious content is -55 dBc. The DTO, which is characterized for an operating temperature range of -40 to +70°C, measures 6.22 x 5.97 x 2.00 in. and works with a nominal linearized frequency tuning step of 0.5 MHz.

About the Author

Jack Browne | Technical Contributor

Jack Browne, Technical Contributor, has worked in technical publishing for over 30 years. He managed the content and production of three technical journals while at the American Institute of Physics, including Medical Physics and the Journal of Vacuum Science & Technology. He has been a Publisher and Editor for Penton Media, started the firm’s Wireless Symposium & Exhibition trade show in 1993, and currently serves as Technical Contributor for that company's Microwaves & RF magazine. Browne, who holds a BS in Mathematics from City College of New York and BA degrees in English and Philosophy from Fordham University, is a member of the IEEE.

Sponsored Recommendations