What’s the Difference Between PNP and NPN? - Electronic Design
网页2022年10月28日 · 2. A PNP transistor has a layer of N-doped semiconductor between two layers of P-doped material. 3. An NPN transistor has a layer of P-doped semiconductor between two N-doped layers. The junctions ...
Understanding EMI Filters: The Bare Essentials
网页2021年7月20日 · EMI is simply noise interference caused by external electromagnetic waves. EMI can lead to the performance degradation of any electrical equipment design within range by inducing unwanted currents ...
Welcome To Antennas 101 - Electronic Design
网页2021年7月29日 · This article is part of the TechXchange: Antenna Design 101. Download this article in .PDF format. This article was written by Louis Frenzel, author of Principles of Electronic Communications ...
Understanding Modern Digital Modulation Techniques
网页2021年7月14日 · These techniques are used in many modern communication systems, such as cellular phones, Wi-Fi, and Bluetooth. Common digital modulation techniques include amplitude-shift keying (ASK), frequency ...
3 Ways to Reduce Power-Supply Noise | Electronic Design
网页2024年7月18日 · Bonus. Filtering, bypass, and post-regulation are the three primary ways to reduce power-supply noise, but there are some less-used techniques. One is to use a battery to power your circuitry ...
Back to Basics: Impedance Matching (Part 1) - Electronic Design
网页2011年10月24日 · Here, the 36-Ω impedance of a λ/4 vertical ground-plane antenna is matched to a 75-Ω transmitter output impedance with a 52-Ω coax cable. It’s calculated as: ZQ = √(75)(36) = √2700 = 52 ...
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Understanding Wireless Range Calculations | Electronic Design
网页2013年4月3日 · Maximum path loss = transmit power – receiver sensitivity + gains – losses – fade margin. V – maximum path loss = 20 – (–100) + 12 – 12 = 120 dB. Once the maximum path loss has been ...
How to Select a Fuse - Electronic Design
网页2020年1月17日 · Pick the Fuse Package. Like most things, your application will determine the kind of fuse you will use. You might need a high-voltage fuse. If your product is primarily sold in the USA, then a ...
Fundamentals Of Crystal Oscillator Design
网页2012年9月7日 · Fundamentals Of Crystal Oscillator Design. Sept. 7, 2012. Primary design considerations for fundamental-mode oscillators using AT-cut crystals include load capacitance, negative resistance ...
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