Chair of Microwave Engineering

MW components

Low-pass filter

 

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Three low-pass filters for 1.7, 3.2 and 8.0 GHz
In microstrip technology on Teflon substrate.
Transmissonsdämpfung: s21 <0.2-0.4 dB
Attenuation: s21> 50 dB up to 3 - or 5 times the cutoff frequency.
Developed with HP-MDS.

 

 


 

Bandpass Filter

 

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Bandpass 7.5 to 2.6 GHz
Coupled microstrip lines on Teflon substrate.
Developed with HP-MDS

 

 

 

 

 


 

Mixer

 

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Mixer from 8 - 10.4 GHz
LO Power: 6 dBm
Conversion loss: 5 dB
Noise figure: 5 dB
HP-MDS simulation and beam-lead diodes built.

 


 

Single Side Bandput

 

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Range: 2 to 3 GHz
In microstrip technology on RO4003 substrate
 
 
 
 
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Single side band put - ESV integrated
Range: 0.05 to 5 GHz

 

 

 

 


 

Bias Tee

 

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Bias Tee 
For trouble-free and wide-band power of the RF line.
Range: 2.5 - 26.5 GHz
Transmission loss: s21 <0.2 - 1 dB
Input reflection: s11 <15 dB

 

 


 

Amplifiers

 

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Varying Amplifier 
With SMT components, adaptation and power supply.
For different frequency ranges from 0 to 10 GHz
Varying Reinforcements: s21 40-20 dB
Developed with HP-ADS

 

 


 

Resonators for Moisture Measurement

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Resonators with small external stray fields, which emit only very small.
This cavity and line resonators have been developed for measuring the moisture.

 

 

 

 


 

Field Simulations

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Field simulation of resonator
Field simulation of resonator The resonators for humidity measurement were optimized using HP-HFSS. Through the simulation was the penetration depth in materials with different dielectric properties are determined.

 

 

 


 

 


Contact
Dr.-Ing. Frank Daschner
Telefon: 0431 / 880-6169
Email: fd@tf.uni-kiel.de
 

If interested in publications or other information materials for this project please contact the secretary or to the persons indicated above.