Dielectric Resonator Oscillator – High-Stability Microwave Oscillator

A Dielectric Resonator Oscillator (DRO) is a microwave oscillator designed to generate stable high-frequency signals for industrial, communication, and laboratory applications. Its key advantages include excellent frequency stability, high output signal power stability, and low phase noise, making it ideal for systems requiring precise and reliable signals.

Unlike traditional oscillators, the DRO does not require an external reference signal generator to maintain output frequency stability. This feature simplifies system design and enhances reliability. With its low phase noise, the DRO is perfect for applications such as telecommunications, radar, and research, where signal clarity is critical.

In summary, the DRO offers a compact, high-performance solution for stable high-frequency signal generation across a wide range of demanding applications.

Features and Characteristics

The Dielectric Resonator Oscillator (DRO) stands out for its advanced performance capabilities tailored to meet the rigorous demands of modern applications. Key features include:

High Stability / The oscillator is designed to minimize frequency variation over the full temperature range without the use of a reference signal.
Low Phase Noise / The DRO is optimized to minimize phase noise, making it suitable for demanding applications, such as telecommunications.
Environmental Resistance / Its robust design allows the device to operate across a wide temperature range and withstand significant radiation and mechanical stress. This makes it suitable for use in space conditions.
Output Power / The device can achieve output power greater than +10 dBm over its entire operating range.
Compact Design / Its small size and weight make the DRO suitable for use in airborne and space systems.

Technical Specifications

The Dielectric Resonator Oscillator (DRO) is designed to deliver high performance with precise and reliable parameters across various conditions:

Operating Frequency

Frequency range: 2.8 GHz – 18 GHz (other ranges available upon request)
Initial frequency accuracy: ±10 ppm (typical value; lower values possible after individual analysis) 2.3. Phase Noise
Phase noise @ 10 kHz offset: -90 dBc/Hz @ 15.3 GHz (guaranteed value)
Phase noise @ 100 kHz offset: -110 dBc/Hz @ 15.3 GHz (guaranteed value)

Power Supply

Supply voltage: 8.7 V – 15 V DC
Current consumption: max. 80 mA

Temperature Range

Operating: -15°C to +45°C (extendable to -40°C to +80°C)
Storage: -55°C to +125°C
Stability over the full temperature range: ±50 ppm (lower values possible after individual analysis)

Dimensions and Weight

Dimensions: 58 mm x 58 mm x 24 mm
Weight: 70 g
RF connector: SMA

Applications

The versatility of the Dielectric Resonator Oscillator (DRO) allows for effective use across multiple fields:

Telecommunications: Generation of stable signals in transceiver systems
Industrial: Applications in control and measurement systems
Research Laboratories: Experiments requiring precise frequencies
Radar Systems: As a reference signal source

If you are interested in the oscillator or a customized version with parameters tailored to your needs, feel free to contact us to discuss the details. If you’d like to learn more about our capabilities in design and production, we are happy to provide further information.