Two new analog multipliers/dividers employing single current differencing buffer amplifier

Realization of Inverse Active Filters Using Single Current Differencing Buffered Amplifier

“…PSPICE simulation software has been used for practical verification of the proposed configuration. Initially, the functionality of the proposed circuit has been tested by using CMOS structure of CDBA [17]. For supporting hardware implementation of the designed filters, the CDBA block has also been realized employing market available ICs AD844 [19] and the simulation results for the same have been presented later.…”

“…Fig. 1(a) shows the circuit symbol of the CDBA, where p and n are the low impedance input terminals, w is low impedance output terminal and z is the high impedance output terminal [17]. The equivalent circuit of the CDBA is shown in Fig.…”

“…The port characteristics of this block can be expressed as = = 0, = and = -. The possible CMOS [17] and AD844 [19] based CDBA are depicted in Figs. 2(a) and 2(b) respectively.…”

“…Furthermore, CDBA offers a low impedance voltage mode output, which is very needful for easy cascading. Various analog circuits such as inductor [16], multiplier [17], filter [18], oscillator [19] etc. are available using this versatile active building block.…”

Single Fully Differential Second Generation Current Conveyor Based Four‐Quadrant Analog Multiplier Design and Its Applications

“…Four-quadrant analog multiplier is a significant building block in the making of many signal processing circuits like convolvers, correlators, curve fitting generators and adaptive filters. It is also employed for rectification, modulation, demodulation, frequency translation, Phase locked loop (PLL), Automatic gain control (AGC), fuzzy integrated systems, squaring and square rooting of signals [1] . This versatile building block has also gained gradual importance as weighting synapse in the field of Artificial neural network (ANN) [2] .…”