Sökning: "Tunable microwave device"
Visar resultat 1 - 5 av 12 avhandlingar innehållade orden Tunable microwave device.
1. Ferroelectric Thin Films on Si-substrate for Tunable Microwave Applications
Sammanfattning : The thesis presents the development of microwave tunable devices based onferroelectric thin films. The main tasks in this work are the fabrication, optimization, andintegration of ferroelectric thin film into Si-MMIC. LÄS MER
2. Ferroelectric Na₀₅̣ K₀₅̣ NbO₃ varactors for microwave applications
Sammanfattning : .... LÄS MER
3. Piezoelectric and ferroelectric device technologies for microwave oscillators
Sammanfattning : The purpose of this thesis is to investigate piezoelectric and ferroelectric thin film device technologies for application in microwave oscillators.Thin film varactors based on ferroelectric materials are considered. LÄS MER
4. SiC Varactors for Dynamic Load Modulation of Microwave Power Amplifiers
Sammanfattning : The rapid consumer adoption of mobile services is leading to an exponential growth in wireless data traffic. In order to accommodate more concurrent high data-rate users, the required complexity of transmitting radio base station (RBS) power amplifiers (PAs) is increasing. LÄS MER
5. Microwave Frequency Stability and Spin Wave Mode Structure in Nano-Contact Spin Torque Oscillators
Sammanfattning : The nano-contact spin torque oscillator (NC-STO) is an emerging device for highly tunable microwave frequency generation in the range from 0.1 GHz to above 65 GHz with an on-chip footprint on the scale of a few μm. LÄS MER