GaAs PHEMT single-ended mixers for 28 GHz applications
Mixers are key devices for front-end components in any transceiver of a communication system. The performance of a receiver rely heavily on the mixer operation in terms of its conversion loss (gain), noise figure, port-to-port isolation, intermodulation distortion and dynamic range. Microwave mixer...
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| Main Authors: | , |
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| Format: | Book Section |
| Language: | English |
| Published: |
Penerbit Universiti Sains Malaysia
2004
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| Online Access: | http://eprints.usm.my/43401/1/pME07.pdf http://eprints.usm.my/43401/ |
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| Summary: | Mixers are key devices for front-end components in any transceiver of a communication system. The performance of a receiver rely heavily on the mixer operation in terms of its conversion loss (gain), noise figure, port-to-port isolation, intermodulation distortion and dynamic range. Microwave mixer can be designed by using Schottkybarrier diode or FET, either MESFET or HEMT. Using a FET rather than a diode as the non-linear element in a mixer has several advantages. Some of these include the possibility of achieving a conversion gain, using lower LO drive power and obtaining isolation between the signal ports of the FET |
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