Active and Passive Electronic Components / 2009 / Article / Fig 1

Letter to the Editor

Comment on “Voltage-Mode All-Pass Filters Including Minimum Component Count Circuits”

Figure 1

The proposed CDBA-based APFs: (a) VM APF (b) TI APF.
595324.fig.001a
(a)
595324.fig.001b
(b)

We are committed to sharing findings related to COVID-19 as quickly and safely as possible. Any author submitting a COVID-19 paper should notify us at help@hindawi.com to ensure their research is fast-tracked and made available on a preprint server as soon as possible. We will be providing unlimited waivers of publication charges for accepted articles related to COVID-19. Sign up here as a reviewer to help fast-track new submissions.