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  • 1
    Electronic Resource
    Electronic Resource
    A Single Chip 160 Mbit/s Cable Communication Circuit Including a Gain Controlled Equalizer and a Data Regenerating PFLL (1999)
    Springer
    Analog integrated circuits and signal processing 19 (1999), S. 59-74 
    Details
    ISSN: 1573-1979
    Keywords: equalizer ; PLL ; jitter
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology
    Notes: Abstract In this paper a single chip transmitter and receiver interface circuit for 160 Mbit/s CMI-coded data transmission is presented. The receiver circuit includes a 12 dB cable equalizer to compensate for nonconstant cable attenuations. There is also a PFLL for data regeneration and to extract a 320 MHz oscillator clock signal. The frequency characteristics of the equalizer are controlled with an automatic gain control loop (AGC). The PFLL is a combination of two separate control loops, the purpose of which is to keep the integrated oscillator on the narrow locking range of the data loop. The frequency loop has been designed with a frequency detector to avoid interferences between the two control loops. The transmitter includes a cable driver supplying a stable 1 Vpp signal amplitude to the transmission line and also a PLL to extract a 320 MHz clock signal.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008330400170
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    A CMOS Quadrature Baseband Frequency Synthesizer/Modulator (1999)
    Springer
    Analog integrated circuits and signal processing 18 (1999), S. 55-67 
    Details
    ISSN: 1573-1979
    Keywords: quadrature direct digital synthesizers ; baseband modulators ; direct digital synthesizers ; two-stage current array D/A converters ; continuous-time filters ; current-mode Gm−C filters
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology
    Notes: Abstract A quadrature baseband frequency synthesizer/modulator IC has been designed and fabricated in a 0.5 μm CMOS. This quadrature baseband frequency synthesizer/modulator is intended for use in a wide variety of indoor/outdoor portable wireless applications in the 2.4–2.4835 GHz ISM frequency band. This frequency synthesizer/modulator is a capable of frequency and phase modulation. The major components are: a quadrature direct digital synthesizer, digital-to-analog converters and lowpass filters. By programming the quadrature direct digital synthesizer, adaptive channel bandwidths, modulation formats, frequency hopping and data rates are easily achieved. The quadrature baseband direct digital synthesizer produces an 80 MHz frequency band. The quadrature baseband spectrum could be upconverted with off-chip mixers into the 2.4 GHz ISM frequency band. The chip has a complexity of 17,803 transistors with a die area of 24 mm2 and a core area of 9 mm2. The power dissipation is 496 mW at 3.3 V.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008303603792
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Current-Mode Temperature Compensated Continuous-Time CMOS Transconductance-C Filter (1998)
    Springer
    Analog integrated circuits and signal processing 15 (1998), S. 59-69 
    Details
    ISSN: 1573-1979
    Keywords: Current-mode circuits ; continuous-time filters ; transconductance-C filters
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology
    Notes: Abstract In this paper a low voltage low power current-mode continuous-timelow-pass filter is presented. The current-integrator is constructedof a multi-output linearized transconductance element drivenby a balanced transimpedance amplifier. A 1 MHz third order ellipticlow pass filter is designed and fabricated with the proposedcurrent-mode integrator. The measurements show capability ofoperation with down to a 3 V supply voltage. The measured currentconsumption is 850 µA at room temperature andthe dynamic range is 66 dB. The distortion of the filter is below50 dBc with peak signal levels up to twice the quiescent currentlevel and with the refined designs even lower distortion is expected.The filter uses a CMOS-current reference for temperature andprocess variation stabilization with a measured corner frequencytemperature coefficient of −100 ppm/K.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008236714529
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    Paper (German National Licenses)
    Fulltext
  • 4
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    CMOS current amplifiers : speed versus nonlinearity (2002)
    Boston : Kluwer Academic Publishers
    The Kluwer international series in engineering and computer science  
    Details
    Keywords: Direct current amplifiers. ; Metal oxide semiconductors, Complementary.
    Pages: ix, 289 p.
    ISBN: 0-306-48003-4
    URL: http://www.netLibrary.com/urlapi.asp?action=summary&v=1&bookid=99307
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    E-Book (German National Licenses)
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