PCB Manufacture
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Symmetric Stripline Transmission Lines in the PCB Reverse Engineering
Symmetric Stripline Transmission Lines in the PCB Reverse Engineering A method of PCB Reverse Engineering preferred from many viewpoints is a multilayer PCB. This arrangement embeds the signal trace between a power and a ground plane, as shown in the...
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Layout PCBs Through PCB Board Reverse Engineering
Once the system’s critical paths and circuits have been identified, the next step in implementing sound PCB layout is to partition the printed circuit board according to circuit function. This involves the appropriate use of power, ground, and ...
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Printed Circuit Board Transmission Line
We earlier considered the benefits of outward and return signal paths being close together so that inductance is minimized. When an HF signal flows in a PC track running over a ground plane, the arrangement functions as a microstrip transmission line...
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Current Skin Effect
Current Skin Effect At high frequencies, also consider Current Skin Effect, where inductive effects cause currents to flow only in the outer surface of conductors. Note that this is in contrast to the earlier discussions of this section on dc resista...
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Buffering ADCs Against Logic Noise
Buffering ADCs Against Logic Noise Today we are going to talk about the Buffering ADCs Against Logic Noise, If we have a high resolution data converter (ADC or DAC) connected to a high speed data bus which carries logic noise with a 2 V/ns to 5 V/ns ...
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Printed Wiring Board Capacitive Noise & Faraday Shields
Printed Wiring Board Capacitive Noise & Faraday Shields There is a capacitance between any two conductors separated by a dielectric (air or vacuum are dielectrics). If there is a change of voltage on one, there will be a movement of charge on the...
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Electronic PCB Board Stray Capacitance
When two conductors aren’t short-circuited together in the Electronic PCB Board Stray Capacitance, or totally screened from each other by a conducting (Faraday) screen, there is a capacitance between them. So, on any Electronic PCB Board, there...
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Parasitic Effects in electronic circuit board’s Inductors
Parasitic Effects in electronic circuit board’s Inductors Although inductance is one of the fundamental properties of an electronic circuit board, inductors are far less common as components than are resistors and capacitors. As for precision c...
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PCB Card Track Mutual Inductance
The basic principle is illustrated in below Figure, and is a common mechanism for the transfer of unwanted signals (noise) between two circuits which will generate from PCB Card Track Mutual Inductance. PCB Card Track Mutual Inductance As with most o...
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Printed Circuit Board Track Mutual Inductance
Another consideration regarding Printed Circuit Board Track Mutual Inductance is the separation of outward and return currents. As we shall discuss in more detail later, Kirchoff’s Law tells us that current flows in closed paths—there is always...