What’s the Difference Between PNP and NPN? - Electronic Design
WEBOct 28, 2022 · 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 ...
What’s The Difference Between Watts And Volt-Amperes?
WEBMay 2, 2012 · W and VA are both units of measurement for power, but that’s where the similarity ends. Watts do work or generate heat, while volt-amperes simply provide you with information you need to size ...
Back to Basics: Impedance Matching (Part 1) - Electronic Design
WEBOct 24, 2011 · 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 ...
Understanding EMI Filters: The Bare Essentials
WEBJul 20, 2021 · 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 ...
FDMA, TDMA, CDMA, OFDMA, and SDMA: Key Differences and …
WEBJan 22, 2013 · The best example of this is the cable television system. The medium is a single coax cable that is used to broadcast hundreds of channels of video/audio programming to homes.
DC-DC Converter Design Basics (Part 3): Buck-Boost Converters
WEBOct 4, 2023 · A buck-boost converter is a type of switched-mode power supply that combines the principles of the buck converter and the boost converter in a single circuit. However, in many applications, such ...
An Introduction to the SAE J1772 and CCS EV Charging Interfaces
WEBJul 5, 2023 · The Combined Charging System (CCS) Combo interface (Types 1 and 2) provides support for dc fast charging by adding two additional pins to the IEC 62196 standards 5,6 for Type 1 (SAE J1772) and ...
3 Ways to Reduce Power-Supply Noise | Electronic Design
WEBJul 18, 2024 · 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 ...
Understanding Modern Digital Modulation Techniques
WEBJul 14, 2021 · 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 ...
Understanding Wireless Range Calculations | Electronic Design
WEBApr 3, 2013 · 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 ...