Abstract :
The circuit proposed by Khan and Arun Kumar in ibid, vol. 41, p.555-559 (Aug. 1992) has been originally proposed by Soliman and Ismail (see IEEE Trans. Circuits Syst., vol.CAS-26, p.112-117, 1979), who have derived the condition for minimum phase error, taking into account the single-pole model of the OA. The effect of second pole on this actively compensated finite gain amplifier has been analyzed by the author (see AEU, vol.42, p.192-194, 1988), wherein this circuit has been completely compared with other state of the art realizations regarding (a) gain error, b) phase error, (c) conditions required for minimizing phase error and gain error, (d) matching of active devices whether required, and (e) condition for stability taking into account the second pole of the opamp.<>
Keywords :
broadband networks; differential amplifiers; error analysis; network analysis; operational amplifiers; wideband amplifiers; Arun Kumar; Ismail; Khan; Soliman; actively compensated finite gain amplifier; gain error; matching; minimum phase error; operational amplifiers; phase error; single-pole model; stability; wide-band differential amplifier; Astronomy; Broadband amplifiers; Circuit stability; Differential amplifiers; Error correction; Extraterrestrial measurements; Operational amplifiers; Physics computing; Stability analysis; Wideband;
