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href="https://www.engineersgarage.com/join-us-as-a-guest-post-writer/" tabindex="0">Guest Post Guidelines</a></li><li class="menu-item search"><a href="#" class="search-toggle"><i class="icon-search"></i></a></li></ul></div></div></nav><div style="padding-top:10px;text-align:center;"><div id='div-gpt-eg_storeribbon'> <script> googletag.cmd.push(function() { googletag.display('div-gpt-eg_storeribbon'); }); </script> </div> </div><div class="archive-intro"><div class="wrap"><h1 class="archive-title"><span>Hardware Filters</span></h1></div></div><div class="site-inner"><div class="wrap"><div class="content-sidebar-wrap"><main class="content"><article class="type-post entry has-post-thumbnail" aria-label="Practical application of hardware filters with real-life examples"><header class="entry-header"><p class="entry-meta">By <span class="entry-author"><a href="https://www.engineersgarage.com/author/ayush-jain/" class="entry-author-link" rel="author"><span class="entry-author-name">Ayush Jain</span></a></span> <time class="entry-time">March 28, 2023</time> </p><h2 class="entry-title"><a class="entry-title-link" rel="bookmark" href="https://www.engineersgarage.com/practical-application-of-hardware-filters-with-real-life-examples/">Practical application of hardware filters with real-life examples</a></h2> </header><div class="entry-content"><a class="entry-image-link" href="https://www.engineersgarage.com/practical-application-of-hardware-filters-with-real-life-examples/" aria-hidden="true" tabindex="-1"><img width="268" height="170" src="https://www.engineersgarage.com/wp-content/uploads/2023/03/HWImage-4-268x170.jpg" class="alignleft post-image entry-image wp-image-78384" alt="" decoding="async" /></a><p>In previous articles (including here, here, and here), we discussed the different types of filters available, including examples. If you’ve followed along, you should have an understanding of the frequency components (i.e., attenuating high frequencies when using a low pass filter and the passing frequencies for a high pass filter). You should also be aware…</p> </div><footer class="entry-footer"></footer></article><article class="type-post entry has-post-thumbnail" aria-label="Practical implementation of bandpass and band reject filters"><header class="entry-header"><p class="entry-meta">By <span class="entry-author"><a href="https://www.engineersgarage.com/author/ayush-jain/" class="entry-author-link" rel="author"><span class="entry-author-name">Ayush Jain</span></a></span> <time class="entry-time">March 14, 2023</time> </p><h2 class="entry-title"><a class="entry-title-link" rel="bookmark" href="https://www.engineersgarage.com/practical-implementation-of-bandpass-and-band-reject-filters/">Practical implementation of bandpass and band reject filters</a></h2> </header><div class="entry-content"><a class="entry-image-link" href="https://www.engineersgarage.com/practical-implementation-of-bandpass-and-band-reject-filters/" aria-hidden="true" tabindex="-1"><img width="268" height="170" src="https://www.engineersgarage.com/wp-content/uploads/2023/03/F6-small-268x170.jpg" class="alignleft post-image entry-image wp-image-78323" alt="" decoding="async" loading="lazy" /></a><p>Bandpass and band reject filters have the combined benefit of both low- and high-passes. They are made by connecting the low-pass and high-pass of different cut-off frequencies. It is beneficial when you require or want to reject only a particular band of frequencies. They are used heavily in investigating audio released from a black box…</p> </div><footer class="entry-footer"></footer></article><article class="type-post entry has-post-thumbnail" aria-label="Practical implementation of low-pass and high-pass filter"><header class="entry-header"><p class="entry-meta">By <span class="entry-author"><a href="https://www.engineersgarage.com/author/ayush-jain/" class="entry-author-link" rel="author"><span class="entry-author-name">Ayush Jain</span></a></span> <time class="entry-time">January 11, 2023</time> </p><h2 class="entry-title"><a class="entry-title-link" rel="bookmark" href="https://www.engineersgarage.com/practical-implementation-of-low-pass-and-high-pass-filter/">Practical implementation of low-pass and high-pass filter</a></h2> </header><div class="entry-content"><a class="entry-image-link" href="https://www.engineersgarage.com/practical-implementation-of-low-pass-and-high-pass-filter/" aria-hidden="true" tabindex="-1"><img width="268" height="170" src="https://www.engineersgarage.com/wp-content/uploads/2023/01/Article-7-Image-8-featured-268x170.jpg" class="alignleft post-image entry-image wp-image-77922" alt="" decoding="async" loading="lazy" /></a><p>In today’s electronic devices, many practical applications use hardware filtering implementation. These applications include electrocardiograms (ECG), image processing cameras, etc. Electrocardiograms are medical devices that record the human heart’s activity using a noninvasive approach by encoding heartbeat into signals. But before reading information from these electrical signals, they are filtered out from unwanted noisy signals…</p> </div><footer class="entry-footer"></footer></article><article class="type-post entry has-post-thumbnail" aria-label="A filter design example"><header class="entry-header"><p class="entry-meta">By <span class="entry-author"><a href="https://www.engineersgarage.com/author/ayush-jain/" class="entry-author-link" rel="author"><span class="entry-author-name">Ayush Jain</span></a></span> <time class="entry-time">January 10, 2023</time> </p><h2 class="entry-title"><a class="entry-title-link" rel="bookmark" href="https://www.engineersgarage.com/design-example-of-filters/">A filter design example</a></h2> </header><div class="entry-content"><a class="entry-image-link" href="https://www.engineersgarage.com/design-example-of-filters/" aria-hidden="true" tabindex="-1"><img width="268" height="170" src="https://www.engineersgarage.com/wp-content/uploads/2023/01/Article-6-image-1-featured-268x170.png" class="alignleft post-image entry-image wp-image-77927" alt="" decoding="async" loading="lazy" /></a><p>Filters are used in various fields including telecommunications where bandpass filters are used in speech recognition and modems in the audio frequency range (0 Hz to 20KHz). In the central telephone offices, high-frequency (hundreds of MHz)bandpass filters are used for channel selection. In data acquisition systems, low-pass noise filters and anti-aliasing low-pass filters are required…</p> </div><footer class="entry-footer"></footer></article><article class="type-post entry has-post-thumbnail" aria-label="Problems in filter implementation"><header class="entry-header"><p class="entry-meta">By <span class="entry-author"><a href="https://www.engineersgarage.com/author/ayush-jain/" class="entry-author-link" rel="author"><span class="entry-author-name">Ayush Jain</span></a></span> <time class="entry-time">January 8, 2023</time> </p><h2 class="entry-title"><a class="entry-title-link" rel="bookmark" href="https://www.engineersgarage.com/problems-in-filter-implementation/">Problems in filter implementation</a></h2> </header><div class="entry-content"><a class="entry-image-link" href="https://www.engineersgarage.com/problems-in-filter-implementation/" aria-hidden="true" tabindex="-1"><img width="268" height="170" src="https://www.engineersgarage.com/wp-content/uploads/2023/01/Article-5-Image-3-268x170.png" class="alignleft post-image entry-image wp-image-77885" alt="" decoding="async" loading="lazy" /></a><p>The previous sections explained filters by their property, mathematical functions, time and frequency domain responses, and different types. Using the previous sections’ theoretical knowledge, we can implement it in the real world. However, that filter circuit won’t work according to your expectations. The figure below shows how the ideal and real filter work. The…</p> </div><footer class="entry-footer"></footer></article><article class="type-post entry has-post-thumbnail" aria-label="What are the two types of hardware filters?"><header class="entry-header"><p class="entry-meta">By <span class="entry-author"><a href="https://www.engineersgarage.com/author/ayush-jain/" class="entry-author-link" rel="author"><span class="entry-author-name">Ayush Jain</span></a></span> <time class="entry-time">January 8, 2023</time> </p><h2 class="entry-title"><a class="entry-title-link" rel="bookmark" href="https://www.engineersgarage.com/what-are-the-two-types-of-hardware-filters/">What are the two types of hardware filters?</a></h2> </header><div class="entry-content"><a class="entry-image-link" href="https://www.engineersgarage.com/what-are-the-two-types-of-hardware-filters/" aria-hidden="true" tabindex="-1"><img width="268" height="170" src="https://www.engineersgarage.com/wp-content/uploads/2022/12/Article-4-Image-featured-268x170.png" class="alignleft post-image entry-image wp-image-77725" alt="" decoding="async" loading="lazy" /></a><p>Electronic hardware filters can be classified into two types: active and passive. Active Filters: Filter circuits that consist of active components like transistors and op amps with passive components like resistors, capacitors, etc., are called active filters. Passive filter: Filter circuits that consist of only a resistor, capacitor, and inductor and are tuned to resonate…</p> </div><footer class="entry-footer"></footer></article><article class="type-post entry has-post-thumbnail" aria-label="Types of filter responses"><header class="entry-header"><p class="entry-meta">By <span class="entry-author"><a href="https://www.engineersgarage.com/author/ayush-jain/" class="entry-author-link" rel="author"><span class="entry-author-name">Ayush Jain</span></a></span> <time class="entry-time">January 8, 2023</time> </p><h2 class="entry-title"><a class="entry-title-link" rel="bookmark" href="https://www.engineersgarage.com/types-of-filter-responses/">Types of filter responses</a></h2> </header><div class="entry-content"><a class="entry-image-link" href="https://www.engineersgarage.com/types-of-filter-responses/" aria-hidden="true" tabindex="-1"><img width="268" height="170" src="https://www.engineersgarage.com/wp-content/uploads/2022/11/A3-Image-3-268x170.png" class="alignleft post-image entry-image wp-image-77579" alt="" decoding="async" loading="lazy" /></a><p>In this article, we will learn about various filter responses. A filter response helps to understand the difference between a filter’s input signal and output signal. Keeping an eye on filter responses is necessary to analyze their behaviors. To have a better understanding of the processed signal, it is important to analyze that signal and…</p> </div><footer class="entry-footer"></footer></article><article class="type-post entry has-post-thumbnail" aria-label="What are hardware filters and their types?"><header class="entry-header"><p class="entry-meta">By <span class="entry-author"><a href="https://www.engineersgarage.com/author/ayush-jain/" class="entry-author-link" rel="author"><span class="entry-author-name">Ayush Jain</span></a></span> <time class="entry-time">January 8, 2023</time> </p><h2 class="entry-title"><a class="entry-title-link" rel="bookmark" href="https://www.engineersgarage.com/what-are-hardware-filter-and-their-types/">What are hardware filters and their types?</a></h2> </header><div class="entry-content"><a class="entry-image-link" href="https://www.engineersgarage.com/what-are-hardware-filter-and-their-types/" aria-hidden="true" tabindex="-1"><img width="268" height="170" src="https://www.engineersgarage.com/wp-content/uploads/2022/09/Fig-3-268x170.png" class="alignleft post-image entry-image wp-image-77328" alt="" decoding="async" loading="lazy" /></a><p>Filtering is a technique used to retain the wanted components and remove the unwanted components from the input signal of the system. In signal processing, this can be done by filtering out all other frequencies while retaining a specific frequency range. The signal can be filtered by using two types of filters: software and hardware.…</p> </div><footer class="entry-footer"></footer></article></main><aside class="sidebar sidebar-primary widget-area" role="complementary" aria-label="Primary Sidebar"><section id="search-2" class="widget widget_search"><div class="widget-wrap"><form class="search-form" method="get" action="https://www.engineersgarage.com/" role="search"><input class="search-form-input" type="search" name="s" id="searchform-1" placeholder="Search this website"><input class="search-form-submit" type="submit" value="GO"><meta content="https://www.engineersgarage.com/?s={s}"></form></div></section> <section id="custom_html-5" class="widget_text widget widget_custom_html"><div class="widget_text widget-wrap"><div class="textwidget custom-html-widget"><div align="center"> <div id='div-gpt-eg_sidebar1'> <script> googletag.cmd.push(function() { googletag.display('div-gpt-eg_sidebar1'); }); </script> </div> </div></div></div></section> <section id="custom_html-20" class="widget_text widget widget_custom_html"><div class="widget_text widget-wrap"><h4 class="widget-title widgettitle">EE TECH TOOLBOX</h4> <div class="textwidget custom-html-widget"><center> <div style="display: flex; flex-direction: column; justify-content: center; width: 300px;"> <div align="center"><a href="https://www.eeworldonline.com/tech-toolbox-test-measurement/" target="_blank"><img src="https://www.eeworldonline.com/wp-content/uploads/2024/11/EE-TechToolbox-T_and_M_Page_01-scaled.jpg" alt=“ee tech toolbox”></a></div> <div align="center" style="width: 300px; line-height: 20px; padding-top: 10px;"><span style="font-weight: bold; color: #0c506d; text-align: center; font-size: 20px;">Tech Toolbox: Test & Measurement</span></div> <div align="center" style="line-height: 16px; padding-top: 5px;"><span style="text-align: center; font-size: 16px;"> Everything needs testing and testing needs measurement. 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150px" /></span></a> <h6 class="widget-title"><a class="cat-post-title" href="https://www.engineersgarage.com/secure-client-server-communication-over-tls-security-protocol-using-mosquitto-broker-iot-part-42/" rel="bookmark">Secure client server communication over TLS security protocol using Mosquitto Broker: IOT Part 42</a></h6></div></li><li class='cat-post-item'><div><a class="cat-post-thumbnail cat-post-dark" href="https://www.engineersgarage.com/application-of-ftp-protocol-in-internet-of-things-iot-part-43/" title="Application of FTP Protocol in Internet of Things – IOT Part 43"><span class="cat-post-crop cat-post-format cat-post-format-standard"><img width="150" height="95" src="https://www.engineersgarage.com/wp-content/uploads/2019/07/Representational-Image-FTP-Protocol.jpg" class="attachment- size- wp-image-52475 wp-post-image" alt="" data-cat-posts-width="150" data-cat-posts-height="95" decoding="async" loading="lazy" 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