What is a PCB Stencil? A PCB stencil is a thin sheet of stainless steel or polyimide film with a pattern of apertures that match the pads on a printed circuit board (PCB). It is used to apply solder paste onto the PCB pads during the surface mount assembly process. […]
Basic FM Transmitter circuit The basic FM transmitter circuit consists of the following components: Audio input stage Pre-emphasis network Voltage-controlled oscillator (VCO) RF amplifier Antenna Here is a simple FM transmitter circuit diagram: +V | | R1 | Audio Input >–||–+—> Pre-emphasis Network >— VCO >— RF Amplifier >— Antenna […]
Understanding HDI PCBs Before diving into the factors to consider when choosing an HDI PCB Manufacturer, let’s briefly discuss what HDI PCBs are and their benefits. What are HDI PCBs? HDI PCBs are a type of printed circuit board that feature higher wiring density and smaller vias (holes) compared to […]
What is a Bluetooth Signal Generator? A Bluetooth signal generator is a device that emulates the functionality of a Bluetooth device by generating Bluetooth signals. It is used for testing and debugging Bluetooth-enabled devices, such as smartphones, tablets, laptops, and IoT devices. The generator can simulate various Bluetooth profiles, protocols, […]
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Introduction to PCB Layout Design Printed Circuit Board (PCB) layout design is a crucial step in the development of electronic devices. It involves the arrangement of components and the routing of traces on a PCB to ensure proper functionality, reliability, and manufacturability of the final product. In this comprehensive guide, […]
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Introduction to EMW3165 WiFi Module The EMW3165 is a low-power, highly integrated Wi-Fi module designed for Internet of Things (IoT) applications. This module is based on the STMicroelectronics STM32F411CE microcontroller and the MXCHIP EMW3165 Wi-Fi chip, which supports IEEE 802.11 b/g/n wireless communication standards. The EMW3165 module offers a cost-effective […]
PCB Pricing Factor #1: Board Size The size of the PCB is one of the most significant factors that affects its price. Larger boards require more material and take longer to manufacture, which increases the cost. PCB sizes are typically measured in square inches, and prices are often quoted based […]
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Understanding High-Speed Signals What are High-Speed Signals? High-speed signals are electrical signals that have a high frequency and fast rise and fall times. These signals are typically used in applications that require fast data transmission, such as high-speed digital interfaces, high-bandwidth analog circuits, and high-frequency RF (Radio Frequency) systems. The […]
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Introduction to PCB Design for IoT Devices The Internet of Things (IoT) is revolutionizing how we interact with technology in our everyday lives. From smart homes and wearables to industrial automation and connected vehicles, IoT devices are becoming increasingly prevalent. At the heart of every IoT device lies a printed […]
Introduction to PCB Surface Finishes Printed Circuit Boards (PCBs) are the backbone of modern electronics, connecting and supporting various components to create functional devices. One crucial aspect of PCB Manufacturing is the surface finish, which protects the exposed copper traces and pads from oxidation and enhances the board’s solderability. With […]