Packaged, Integrated 32 to 40 GHz Millimeter-Wave Up-Converter

Convert, Emmanuelle R. O.; Fattorini, Anthony P.; Mahon, Simon J.; Evans, P.; McCulloch, MacCrae G.; Hwang, Steve; Mould, Rodney G.; Young, Alan C.

doi:10.1109/csics.2010.5619629

Cited by 7 publications

(6 citation statements)

References 5 publications

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“…Radio linearity requirements are discussed in [3]. As radios using up-conversion require many stages of gain, the linearity of each stage contributes to the overall distortion of the radio, and the "low signal" stages require higher relative linearity compared to the power stages, to keep overall cost and DC power budgets within limits.…”

Section: A Linearitymentioning

confidence: 99%

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Q band up-converter

Convert

Mahon

Hwang

et al. 2011

2011 IEEE International Conference on Microwaves, Communications, Antennas and Electronic Systems (COMCAS 2011)

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A packaged up-converter has been developed for the ETSI 42 GHz point-to-point radio band. The MMIC contains an LO-doubler-buffer amplifier, an image-reject balanced mixer and an RF variable gain amplifier. The up-converter has 10 dB conversion gain, 15 dB image rejection, 15 dB of gain control, 15 dBm IIP3 and 50 dB LO-to-RF isolation in the mixer. The upconverter consumes less than 1 watt DC represents the state of the art in performance, integration and cost.

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Section: A Linearitymentioning

confidence: 99%

“…While we have successfully designed 38 GHz chip sets in overmoulded QFN packages [3], the performance degradations are such that we have elected to use cavity laminate packages for applications above 40 GHz, for the present.…”

Section: Introductionmentioning

confidence: 99%

Q band up-converter

Convert

Mahon

Hwang

et al. 2011

2011 IEEE International Conference on Microwaves, Communications, Antennas and Electronic Systems (COMCAS 2011)

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“…Higher linearity transmit mixers allow higher level operation to improve transmit noise figure and allow higher order QAM, better balance reduces the need for "roofing filters" to suppress LO breakthrough [2]. Higher linearity power amplifiers allow higher order QAM thus higher capacity for a given bandwidth [3].…”

Section: The Engineering Responsementioning

confidence: 99%

History and Evolution of Millimetre-Wave MMICs for Point-to-Point Radio

Mahon¹,

Montgomery²

2011

2011 IEEE Compound Semiconductor Integrated Circuit Symposium (CSICS)

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Over the last two decades, the capability and implementation of mm-wave point-to-point radios has changed almost beyond recognition. A manually-tuned, waveguideaficionado's delight has evolved into a highly manufacturable, field programmable terminal with lower cost, higher performance and much greater utility. These changes have depended largely on the availability and performance of GaAs Microwave Monolithic Integrated Circuits (MMICs). Waveguide mounted diodes of various types have been replaced by highly integrated receiver LNA-mixer, transmitter mixer-buffer and PA blocks manufactured in commercial foundries and packaged in SMT packages which can be machine assembled onto micro-strip radio boards. At these frequencies, "split" configurations are required to minimise RF losses, so the microwave components are exposed to a severe temperature range in an outdoor environment and power efficiency becomes very important.

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“…Radios in the millimetre wave band are under strong price pressure leading to examination of alternative semiconductor systems such as SiGe [1][2][3][4][5] to the standard GaAs [6][7][8]. SiGe receivers are acknowledged to have lower cost potential in very large volume manufacturing, but poorer noise figure and linearity.…”

Section: Introductionmentioning

confidence: 99%