Analog integrated circuits of large bandwidth

Waldhauer, F.D.

doi:10.1109/proc.1963.2182

Cited by 14 publications

(4 citation statements)

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“…In [9][10][11], a closed-loop amplifier containing a closely spaced pole-zero pair in its frequency response was examined. It was found that, although the doublet effect on the open-loop Bode plot is often negligible, its deleterious impact on the time-domain settling behavior may be significant.…”

Section: Slow Settlingmentioning

confidence: 99%

On the Operation of CMOS Active-Cascode Gain Stage

Chiu¹

2013

JCC

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An s-domain analysis of the full dynamics of the pole-zero pair (frequency doublet) associated with the broadly used CMOS active-cascode gain-enhancement technique is presented. Quantitative results show that three scenarios can arise for the settling behavior of a closed-loop active-cascode operational amplifier depending on the relative locations of the unity-gain frequencies of the auxiliary and the main amplifiers. The analysis also reveals that, although theoretically possible, it is practically difficult to achieve an exact pole-zero cancellation. The analytical results presented here provide theoretical guidelines to the design of CMOS operational amplifiers using this technique.

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Section: Slow Settlingmentioning

confidence: 99%

On the Operation of CMOS Active-Cascode Gain Stage

Chiu¹

2013

JCC

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“…Examples of such criteria are given in Table III, which lists the 6-values for an amplifier having either Butterworth or Thomson re sponse characteristics. 31 Circuit methods for the adjustment of the 6 values to agree with a set of values such as those of Table ΠΙ are beyond our scope in this paper, but a few comments are in order. The value of do in eq.…”

Section: =mentioning

confidence: 99%

Anticausal Analysis of Feedback Amplifiers

Waldhauer¹

1977

Bell System Technical Journal

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“…Amplifiers with more than three stages can be constructed by additional nesting. [20][21][22]. These additional components decay more slowly than the desired component because the poles responsible for their appearance lie at lower frequencies than the wfzcove/W pole.…”

Section: ^ ^ (7)mentioning

confidence: 99%

“…The limitation of this technique is the fact that it relies on the cancellation of low-frequency pole-zero pairs. Inexact cancellations result in the appearance of slow-settling components in the transient response [30,31] making these amplifiers unsuitable for applications that require fast accurate settling.…”

Section: Introductionmentioning

confidence: 99%

Multipath feedforward compensated amplifier, related dipole (doublet) compression technique, and other topics

Schlarmann

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Analog integrated circuits of large bandwidth

Cited by 14 publications

References 0 publications

On the Operation of CMOS Active-Cascode Gain Stage

On the Operation of CMOS Active-Cascode Gain Stage

Anticausal Analysis of Feedback Amplifiers

Multipath feedforward compensated amplifier, related dipole (doublet) compression technique, and other topics

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