Chee Keong Lee

1) Designing various frequency band Solid State Power Amplifier (SSPA) for satellite communication.
2) Designing various Frequency Converter for satellite communication.
3) Designing Local Oscillator up to frequency 30GHz.
4) Designing various frequency band microstrip filters.
5) Designing various frequency band low noise amplifier.
6) Conduct different test and measurement using VNA, Spectrum Analyser, and Signal Generator etc. for product with frequency up to 40GHz.

1) Designing C (5-7GHz), X (7-9GHz), Ku (13-15GHz) and Ka (28-31GHz) Band Solid State Power Amplifier (SSPA) for satellite communication application.
2) Designing C, X, Ku and Ka Band Frequency Converter for satellite communication.
3) Designing Local Oscillator up to frequency 30GHz.
4) Designing various frequency band microstrip filters.
5) Designing Ku band low noise block converter.
6) Conduct different test and measurement using VNA, Spectrum Analyser, and Signal… Show more

1) Designing C (5-7GHz), X (7-9GHz), Ku (13-15GHz) and Ka (28-31GHz) Band Solid State Power Amplifier (SSPA) for satellite communication application.
2) Designing C, X, Ku and Ka Band Frequency Converter for satellite communication.
3) Designing Local Oscillator up to frequency 30GHz.
4) Designing various frequency band microstrip filters.
5) Designing Ku band low noise block converter.
6) Conduct different test and measurement using VNA, Spectrum Analyser, and Signal Generator etc. for product with frequency up to 40GHz.
7) Experience in using chip/die form in the design including wire bonding process. Show less

1) Design and develop VSAT (very small aperture terminal) product for satellite communication especially BUC (Block Up Converter) & SSPA.
2) Experience in designing front end circuits such as LNA, PLL, VCO & PA used in L to C band frequency
3) Experience in designing some power supply circuitry
4) Experience in using RF measurement equipment such as VNA, spectrum analyser, and signal generator.
5) Experience in using EDA simulation tools such as ADS and MWO.
6) Experience in… Show more

1) Design and develop VSAT (very small aperture terminal) product for satellite communication especially BUC (Block Up Converter) & SSPA.
2) Experience in designing front end circuits such as LNA, PLL, VCO & PA used in L to C band frequency
3) Experience in designing some power supply circuitry
4) Experience in using RF measurement equipment such as VNA, spectrum analyser, and signal generator.
5) Experience in using EDA simulation tools such as ADS and MWO.
6) Experience in using PCB layout tools of power PCB and power logic.
7) Experience in using mechanical EDA such as solidworks for the test jig drawing.
8) Experience in doing some reliability tests such as shock & vibration test, HALT test, water proof test, temperature and humidity test. Show less

1) Design MMIC using InGaP HBT for WCDMA application, this MMIC feature a high linearity for good IP3 and ACPR. I involved in the design, layout and measurement stage, where CAD tools of Agilent ADS and Cadence IC layout are being used for simulation and layout. I also setup the measurement system for the measurement of small signal and large signal results such as gain compression and IP3.
2) Design broadband MMIC using InGaP HBT for frequency up to 6GHz. This product has been… Show more

1) Design MMIC using InGaP HBT for WCDMA application, this MMIC feature a high linearity for good IP3 and ACPR. I involved in the design, layout and measurement stage, where CAD tools of Agilent ADS and Cadence IC layout are being used for simulation and layout. I also setup the measurement system for the measurement of small signal and large signal results such as gain compression and IP3.
2) Design broadband MMIC using InGaP HBT for frequency up to 6GHz. This product has been successfully integrated into one linearizer which uses the predistorter technique to improve the linearity of the power amplifier. Show less