Digital
Building a low-cost, precision digital oscilloscope – Part 2
Editor’s Note: In this DI, high school student Tommy Liu modifies a popular low-cost DIY oscilloscope to enhance its input noise rejection and ADC noise with anti-aliasing filtering and IIR filtering. Part 1 introduces the oscilloscope design and simulation. This part (Part 2) shows the experimental results of this oscilloscope. Experimental Results Three experiments were…
Building a low-cost, precision digital oscilloscope
Editor’s note: In this DI, high school student Tommy Liu modifies a popular low-cost DIY oscilloscope to enhance its input noise rejection and ADC noise with anti-aliasing filtering and IIR filtering. Part 1 introduces the oscilloscope design and simulation. Part 2 will show the experimental results of this oscilloscope. A digital oscilloscope is one of…
Technology in Digital Marketing: Promising Future! – Tecuy
The world of digital marketing is always changing and smarter, more efficient ways for businesses to interact with their customers are being made possible by technology, such as AI-powered automation, blockchain security, and engaging AR experiences. Businesses that don’t change with the times risk falling behind as data-driven projects become the norm. Technology is changing…
European tech industry coalition calls for ‘radical action’ on digital sovereignty — starting with buying local | TechCrunch
A broad coalition drawn from across the ranks of Europe’s tech industry is calling for “radical action” from European Union lawmakers to shrink reliance on foreign-owned digital infrastructure and services to bolster the bloc’s economic prospects, resilience, and security in increasingly fraught geopolitical times. In an open letter to European Commission president, Ursula von der…
14 Digital Content Types You’re Probably Not Using Enough
Feeling tapped out when it comes to creative content ideas? If you feel like you’ve done it all, I challenge you to explore these 14 uncommon types of content. Many marketers overlook these unconventional digital content formats, but they can be highly effective. Slot some of these content styles into your arsenal to mix up…
How to Protect Your Digital Identity While Gaming Online
Playing games online provides entertainment but exposes you to specific dangers during gameplay. Hackers and scammers specifically target your personal data, payment specifics, and gaming account information. Cybercriminals steal money and account credentials through phishing attacks, malware, and unsecured systems. Gaming carelessly can lead to possible profile loss and the threat of identity theft. Protecting…
A precision digital rheostat
Rheostats Rheostats are simple and ubiquitous circuit elements, usually comprising a potentiometer connected as an adjustable two terminal resistor. The availability of manual pots with resistances spanning ohms to megohms makes the optimum choice of nominal resistance easy. But when an application calls for a digital potentiometer (Dpot), the problem can be challenging. Wow the…
Digital Imperialism Analysis: Global Power Dynamics & Equitable Internet
Imagine waking up one day to find that every aspect of your life – from your morning coffee routine to your deepest secrets – is controlled by a handful of corporations halfway across the world. Your data, your choices, your very identity, all neatly packaged and monetized without your knowledge or consent. Sound like a…
Power Tips #137: Implementing LLC current-mode control on the secondary side with a digital controller
Current-mode control LLC considerations Inductor-inductor-capacitor (LLC) serial resonant circuits, as shown in Figure 1, can achieve both zero voltage switching on the primary side and zero current switching on the secondary side in order to improve efficiency and enable a higher switching frequency. In general, an LLC converter uses direct frequency control, which has only…
A digital TV antenna isn’t the answer to your streaming subscription woes
Summary Digital antennas offer free cable, easy setup, and flexibility without monthly costs. Setup can be tricky with different brands, unreliable signals, and channel limitations. Antennas may lack major channels, sporting events, and signal consistency compared to cable. Anyone wanting to cut the cord on cable is rightly justified. These cable contracts are unruly, locking…
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