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Implementation of the signal component generator of a CALLUM 2 transmitter architecture in CMOS technology

Publiceringsår: 2004
Språk: Engelska
Sidor: 183-186
Dokumenttyp: Konferensbidrag
Förlag: IEEE


This article presents an analog implementation of the signal component generator (SCG) of the CALLUM2 linear transmitter architecture. The proposed SCG is suited for integration in a standard 0.35 μm CMOS process, and has from simulations proven to be adequate when operating on an EDGE modulated baseband signal with a data rate of 270.833 ksymb/s. The total current consumption of the SCG is 2.0 mA from a 3.3 V supply. A variable-gain amplifier (VGA) with common-mode (CM) control is presented, and the VGA is inserted in between the SCG and the voltage-controlled oscillator (VCO) to adjust the loop gain, which has strong influence on the stability and spectral performance of the linear transmitter architecture. © 2004 IEEE.



  • Electrical Engineering, Electronic Engineering, Information Engineering
  • Voltage-controlled oscillators (VCO)
  • Signal component generators
  • Common-mode (CM) control
  • Variable gain amplifiers (VGA)


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  • ISBN: 0780385101

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