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Spectrum Microwave

DROs & CROs

Spectrum's Line of Dielectric Resonator Oscillators (DROs) and Coaxial Resonator Oscillators (CROs) are designed and built with both small size and low phase noise in mind. Packed full of standard features, our complete line of free running DRO designs operate from 500 MHz to 21.5 GHz, with "modified standard" units available in all frequencies from HF to Ku band.

Our ceramic based resonators are very low loss and dependably stable, even during extreme temperature changes. To reduce Modulation Side-bands and Microphonics during high vibration & shock, our designs insure that the resonator is securely & firmly attached to the housing.

Screened high performance voltage tuned varactor diodes for tuning repeatability.

Screened high performance voltage tuned varactor diodes for tuning repeatability.

Features custom thin film microstrip boards for improved noise performance.

Features custom thin film microstrip boards for improved noise performance.

Our .500” square surface mount DRO designs offer low cost and a smaller footprint.

Our .500” square surface mount DRO designs offer low cost and a smaller footprint.

We design our own filters in-house allowing fine tuning for optimum performance.

We design our own filters in-house allowing fine tuning for optimum performance.

Better receiver sensitivity and enhanced system noise floor.

Better receiver sensitivity and
enhanced system noise floor.

Metalized PC backplanes are used for improved grounding and superior stability.

Metalized PC backplanes are used for improved grounding and superior stability.

Our ceramic based resonators are very low loss and dependably stable.

Our ceramic based resonators are
very low loss and dependably stable.

FEATURES
Rich in Standard Features

Rich in Standard Features

 To download more information about our standard features, click here! To message to one of our engineers about our standard features, click here! To request pricing information about our standard features, click here!
  • Includes screened high performance voltage tuned varactor diodes for tuning repeatability, long term stability and predictable phase noise.
  • Features custom thin film microstrip boards for improved noise performance.
  • Metallized PC backplanes are used for improved grounding and superior stability.
Superior Engineering

Superior Engineering

 To download more information about our superior engineering, click here! To message to one of our engineers about our superior engineering, click here! To request pricing information about our superior engineering, click here!
  • Our custom designed and tuned filters and mixers significantly outperform off-the-shelf components and contribute to our optimized full system performance.
  • With resident thin film hybrid, oscillator, and amplifier design and fabrication support, Spectrum Microwave is able to design complete solutions for demanding requirements.
Ultra Low Phase Noise

Ultra Low Phase Noise

 To download more information about our Ultra Low Phase Noise, click here! To message to one of our engineers about our Ultra Low Phase Noise, click here! To request pricing information about our Ultra Low Phase Noise, click here!
  • Our exceptional Low Phase Noise performance offers you: better receiver sensitivity, improved sub-clutter visibility, enhanced system noise floor, and a lower bit error rate.
  • Join us on the Spectrum Microwave Frequency Sources Tour to learn even more!

 

PRODUCT SOLUTIONS

Series

Frequency

Output Power (dBm)

Phase Noise @100 kHz Offset (dBc/Hz)

Harmonics
(dBc)

Spurious
(dB)

Supply
511 Series CRO 500-700 MHz 10 -143 -25 -80 15V / 70 mA
511 Series CRO 700-900 MHz 10 -142 -25 -80 15V / 70 mA
511 Series CRO 900-1100 MHz 10 -140 -25 -80 15V / 70 mA
511 Series CRO 1100 MHz-1200 MHz 10 -138 -25 -80 15V / 70 mA
511 Series CRO 1200 MHz-1400 MHz 10 -137 -25 -80 15V / 70 mA
511 Series CRO 1400 MHz-1600 MHz 10 -136 -25 -80 15V / 70 mA
511 Series CRO 1600 MHz-1800 MHz 10 -134 -25 -80 15V / 70 mA
511 Series CRO 1800 MHz-2000 MHz 10 -133 -25 -80 15V / 70 mA
512 Series DRO 2000-3000 MHz 10 -132 -20 -80 15V / 90 mA
MDR2100-02500 DRO 2500-3500 MHz 10 -130 -20 -80 15V / 90 mA
512 Series DRO 3000-4000 MHz 10 -131 -20 -80 15V / 90 mA
MDR2100-03500 DRO 3500-4500 MHz 10 -130 -20 -80 15V / 90 mA
513 Series DRO 4000-5000 MHz 10 -130 -20 -80 15V / 90 mA
MDR2100-04500 DRO 4500-5500 MHz 10 -130 -20 -80 15V / 90 mA
513 Series DRO 5000-6000 MHz 10 -128 -20 -80 15V / 90 mA
MDR2100-05500 DRO 5500-6500 MHz 10 -128 -20 -80 15V / 90 mA
514 Series DRO 6000-7000 MHz 10 -127 -20 -80 15V / 90 mA
MDR2100-06500 DRO 6500-7500 MHz 10 -128 -20 -80 15V / 90 mA
514 Series DRO 7000-8000 MHz 10 -126 -20 -80 15V / 90 mA
MDR2100-07500 DRO 7500-8500 MHz 10 -125 -20 -80 15V / 90 mA
515 Series DRO 8000-9000 MHz 10 -125 -20 -80 15V / 90 mA
MDR2100-08500 DRO 8500-9500 MHz 10 -125 -20 -80 15V / 90 mA
515 Series DRO 9-10 GHz 10 -124 -20 -80 15V / 90 mA
MDR2100-09500 DRO 9.5-10.5 GHz 10 -125 -20 -80 15V / 90 mA
516 Series DRO 10-11 GHz 10 -122 -20 -80 15V / 90 mA
MDR2100-10500 DRO 10.5-11.5 GHz 10 -125 -20 -80 15V / 90 mA
516 Series DRO 11-12 GHz 10 -121 -20 -80 15V / 90 mA
MDR2100-11500 DRO 11.5-12.5 GHz 10 -120 -20 -80 15V / 90 mA
517 Series DRO 12-13 GHz 10 -120 -20 -80 15V / 90 mA
MDR2100-12500 DRO 12.5-13.5 GHz 10 -118 -20 -80 15V / 90 mA
517 Series DRO 13-14 GHz 10 -119 -20 -80 15V / 90 mA
MDR2100-13500 DRO 13.5-14.5 GHz 10 -118 -20 -80 15V / 90 mA
518 Series DRO 14-15 GHz 10 -118 -20 -80 15V / 90 mA
MDR2100-14500 DRO 14.5-15.5 GHz 10 -115 -20 -80 15V / 90 mA
518 Series DRO 15-16 GHz 10 -116 -20 -80 15V / 90 mA
MDR2100-15500 DRO 15.5-16.5 GHz 10 -115 -20 -80 15V / 90 mA
MDR2100-16500 DRO 16.5-17.5 GHz 10 -115 -20 -80 15V / 90 mA
MDR2100-17500 DRO 17.5-18.5 GHz 10 -115 -20 -80 15V / 90 mA
MDR2100-18500 DRO 18.5-19.5 GHz 10 -113 -20 -80 15V / 90 mA
MDR2100-19500 DRO 19.5-20.5 GHz 10 -113 -20 -80 15V / 90 mA
MDR2100-20500 DRO 20.5-21.5 GHz 10 -113 -20 -80 15V / 90 mA

DRO/CRO EXTRAS

FREE DESIGN SOFTWARE