ADSL filters explained

This is a second-order low-pass filter with a programmable cutoff frequency. The circuit should be driven from a low-source impedance, as there are paths from the output to the input through the unselected networks. Virtually any filter function that...

The input signal is processed with an electronic low-pass filter to eliminate all frequencies above the Nyquist frequency, which is half of the sampling rate. This process is essential to prevent aliasing during sampling and is referred to as...

Creating a universal remote control system has become quite straightforward. One can acquire the necessary chips, assemble them, and the high-tech remote control device will be operational. This document discusses specific remote control chips designed for this purpose. The...

In the previous post, a piezo transducer element was discussed, along with its application in electronic circuits. This article will explore how a piezo transducer can be driven or operated using a simple circuit. The amplification method differs from...

Switched-capacitor filters that are preset for a given bandwidth sometimes do not deliver the bandwidth or Q an application requires. By inverting the clock between two switched-capacitor bandpass filters, such as the MSFS1 from Mixed Signal Integration Corp, you...

The disadvantages of pi-filters include higher costs, increased weight, larger size, and the external magnetic field generated by the series inductor. These issues can be mitigated by substituting the series inductor with a series resistor, referred to as an...