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TEJTE engineers debugging a 5V to 12V boost converter on a test bench, showing oscilloscope waveforms, test probes, and the PCB.

5V to 12V Boost Converter Design in Practice

Designing a 5V to 12V boost converter sounds straightforward until you build one and watch the waveform ripple across your scope. Real boards expose trade-offs that datasheets rarely warn about — efficiency, thermal margin, and part sourcing. From the veteran MC34063 to today’s integrated synchronous ICs, the path is full of judgment calls that decide whether your converter runs cool or cooks itself.

Quick-check flowchart for controller selection or a comparison diagram between MC34063 and modern synchronous switching regulators.

12V to 5V Buck Converter Design in Practice

Which controller and topology fit a 12V to 5V buck? Converting 12 V down to 5 V looks simple on paper, but in real boards it’s rarely that neat. You’ve got choices ranging from the classic MC34063 to today’s high-efficiency synchronous switching regulators, each carrying its own quirks. Picking the right one is more about the project’s trade-offs—heat, cost, and part availability—than about what’s newest.

Diagram illustrating the relationship between inductor peak current waveform at high duty cycles and the calculation of the sense resistor RSC.

MC34063 DC-DC Guide: Buck, Boost & Inverting

Why This Tiny DC-DC Controller Still Matters Few parts in the power-supply world have aged as gracefully as the TEJTE MC34063 DC-DC converter. It’s a modest eight-pin IC that still ships by the millions, quietly regulating everything from router boards to automotive sensors. Despite new synchronous bucks and GaN-based regulators taking the spotlight, engineers continue to trust the MC34063 because it’s predictable, accessible, and hard to kill.

Outdoor omnidirectional antenna diagram: showing its high stability and extended reach when mounted on poles or building façades.

2.4 GHz Wi-Fi Antenna Selection & Ordering Guide

Which 2.4 GHz Wi-Fi antenna form fits your device or site? Choosing a 2.4 GHz Wi-Fi antenna starts with the form factor. Most engineers default to whatever fits mechanically, but form and environment shape performance more than any datasheet can reveal. For compact routers or IoT gateways, three families dominate: rubber-duck, outdoor omni, and internal FPC/PCB antennas.

Schematic summarizing the core balancing points of FPC antenna design: coordinating mechanical constraints with electromagnetic performance, metal clearance, bend radius, feeder length, and other key factors.

FPC Antenna 2.4 GHz Layout Clearance & Tuning in Practice

FPC Antenna 2.4 GHz Layout Clearance & Tuning in Practice When you design a compact Wi-Fi or IoT device, the FPC antenna seems almost too simple — a thin flex strip with a coax tail. Yet every millimeter of placement and clearance decides whether your prototype passes FCC tests or struggles to link through a single wall.

Schematic diagram testing the coverage range of different gain rubber ducky antennas in a corridor environment

Rubber Ducky Antenna Guide: Indoor Coverage & SMA Matching

Which rubber ducky antenna form best fits your device and space? Engineers like to joke that all rubber ducky antennas look the same—until one fails a range test. What seems like a simple plastic whip actually hides a complex balance of form, gain, and mechanical fit. The trick is not to pick the “highest dBi” but to match your enclosure, clearance, and signal path.

Chart comparing antenna gain, type, connector, and mounting style across different application scenarios (IoT gateway, rooftop AP, campus backhaul, vehicle/mobile).

Outdoor Omni Antenna: Selection, IP67 & Mounting Guide

Which outdoor omni antenna class fits your site and spectrum? Selecting the right outdoor omni antenna is less about chasing the highest gain and more about understanding your site’s geometry, signal paths, and environmental exposure. Whether you’re building a Wi-Fi mesh for a warehouse, an IoT gateway on a pole, or a small rooftop access point, the right antenna class defines long-term stability and link reliability.

Summary display image of various TEJTE brand rubber duck antenna products

Rubber Duck Antenna Guide: Indoor Coverage, Gain & SMA Match

Which rubber duck antenna form fits your device and space? Selecting the right rubber duck antenna isn’t about guessing gain numbers from a datasheet. It’s about finding the physical form and mechanical fit that allow your Wi-Fi or IoT product to hold steady links without detuning or breakage. Engineers often underestimate how much enclosure space and connector placement shape real-world signal behavior.

A summary conceptual image representing a stable and reliable Wi-Fi network connection.

Omnidirectional Wi-Fi Antenna Selection and Coverage Optimization

When engineers talk about Wi-Fi coverage, most picture a perfect sphere of signal radiating evenly from the router. In the real world, that ideal bubble rarely exists. Walls absorb, metal reflects, and long cables steal away precious dBs. Picking the right omnidirectional Wi-Fi antenna isn’t about chasing gain; it’s about finding the balance between form, connector, and placement so your network holds steady when conditions get messy.

Diagram showing the correct placement of a surge arrestor (lightning protector) on an outdoor antenna feed line and its grounding path.

Outdoor Omni Antenna Guide: IP67 Rating & Mounting Tips

Outdoor omnidirectional antennas rarely get credit for the steady links they enable. They quietly sit on rooftops, masts, and gateways, making sure your network stays reachable through rain and heat. Selecting one isn’t as simple as picking a gain number from a datasheet — you’re really matching environment, durability, and signal budget for years of exposure.

Illustration showing clearance requirements for mounting an omni antenna relative to nearby metal objects.

Omni Antenna Guide: Coverage, Gain & Installation Explained

Which omni antenna form best fits your device or site? When engineers say “omni antenna”, they often imagine a single shape covering all directions — but that’s only half the truth. The right form depends heavily on where it lives: indoor desktop, outdoor mast, or sealed inside a gateway. Choosing wrong means mismatched gain, awkward cabling, or weeks of rework.

Product shot of TEJTE‘s newly launched TVS or MOV series in 2025.

Surge Protection Design for 24-V I/O Ports: MOV, TVS & Layout Guide

Which surge scenarios actually hit a 24-V I/O port? When engineers talk about surge protection for 24-V I/O ports, the first mistake is assuming the risk only comes from the power rail. In reality, transient energy finds far more creative paths. A single inductive load can kick a pulse that ricochets across multiple channels, while long field cables act as antennas during nearby switching or lightning events.