Signal Ground VS Chassis Ground
The power ground is mainly for the path of the power loop current. Generally speaking, the current flowing through the power ground is relatively large,
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TVM802A mini pick and place machine smt line case
Hello everyone, today we will learn about a customer case of operating LED lamp beads on the customized modules completed by automatic dispensing machine ,TVM802A mini pick and place machine ,QRF320 reflow oven .The customer said that small machines like the TVM802A mini smt placer is easy to install, and they don’t require a relatively […]
Parallel or series connection, LED drive circuit selection
After the advent of the LED era, we can see its presence in various aspects of life, whether in the automotive, intelligent, or industrial fields. Due to its high efficiency, energy conservation, long lifespan, environmental protection and other characteristics, it has become an optional solution for today’s lighting technology and is gradually being applied to lighting.
Benefits For Zero Ohm Resistor in Circuit Design
As long as it is the ground, it must be connected together in the end, and then enter the earth. If they are not connected together, they will be “floating”,
What is the purpose of a chip capacitor?
SMD capacitors are used as passive components, and their functions are often used in power circuits: to achieve bypass, decoupling, filtering and energy storage, etc. The main functions in signal circuits are coupling, oscillation/synchronization and time constant role. Qihe pick and place will explain each of these separately.
LED Failure Modes and Methods for Analysis
LED’s open the way to new applications and markets in various different fields with a broad spectrum of requirements.
2023 Dragon Boat Festival greetings from QiHe SMT
The traditional Dragon Boat festival is here again in the middle of the year. Hanging heart to move you, a love bless you, and a genuine feeling waiting for your response. Hoping you will have a wonderful time enjoying the holiday that is happy in every way.Best wishes for you and your family.You are also welcome to select qihe smt equipment .
TVM802A mini pick and place machine & Tester Inverter panel
TVM802A mini pick and place machine & Tester Inverter panel
TVM802B desktop pick and place line smt setup case
Today we share a client case .They have a desktop pick and place TVM802B machine smt line.The customer mainly produces control boards for household appliances.This set of equipment can provide him with a lot of convenience for proofing.including stencil printer QH3040→ PNP smt pick and place machine TVM802B→ benchtop reflow oven QRF320 SMT Process Step […]
Special attention should be paid to the production of double-sided circuit boards for metal-based pcb boards
With the continuous development of electronic products, the variety and frequency of various equipment failures have also greatly increased.