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IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS--I: FUNDAMENTAL THEORY AND APPLICATIONS, VOL. 45, NO. 5, MAY 1998 517 A Differential Integrator with a
 

Summary: IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS--I: FUNDAMENTAL THEORY AND APPLICATIONS, VOL. 45, NO. 5, MAY 1998 517
A Differential Integrator with a
Built-In High-Frequency Compensation
Mohamad Adnan Al-Alaoui, Senior Member, IEEE
Abstract-- A novel integrator with differential inputs is de-
scribed. The integrator uses a single RCRCRC network to control the
integration action of the circuit. It performs at higher frequen-
cies with higher quality factors than the traditional differential
integrator. Simulation and experimental results support the the-
oretical derivations.
I. INTRODUCTION
THE differential integrator integrates the difference be-
tween its two input signals and is a basic component
of active filters [1]. The traditional differential integrator
uses two time constants [2][4]. The ability of the circuit
to reject common mode signals depends, in addition to the
CMRR of the amplifier, on the accurate matching of its two
time constants [2], [3]. To avoid the problem of matching
the two time constants, it is often found more convenient
to use a two amplifier circuit with one amplifier acting as

  

Source: Al-Alaoui, Mohamad Adnan - Faculty of Engineering and Architecture, American University of Beirut, Lebanon

 

Collections: Engineering