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Traces are used to connect the components, but how wide should the traces be?
The trace width for different nets depends on the below three possible factors:
1.Manufacturability:
Traces cannot be too thin,otherwise,the board will be unmanufacturable. The trace width need much larger than the...
Oscilloscopes are one of the most important tools used by electronic engineers. It is useful in multiple fields of studies, such as RF design, electronic circuit design, electronic manufacturing, servicing and repairing of electronic devices. Here are three important factors of an ideal...
Panelized PCB and PCBA assembly service is a process of assembling multiple smaller boards onto a larger panel, which can then be separated into individual boards after assembly. This process is commonly used in the electronics manufacturing industry to increase efficiency and reduce costs...
Do you know how to choose the thickness of stencils?
If you do not know, just tell us your production requirements, we can provide the appropriate advice for you reference.
Stencil thickness should meet the minimum spacing QFP, BGA , taking into account the smallest chip components.
QFP...
What is a metal core PCB?
Metal Core PCBs are printed circuit boards that use copper or aluminum as a core material. The purpose of the metal is to divert this heat away from critical board components and towards less crucial areas such as the metal heatsink backing or metallic core.
Compared...
Trace width, the impedance trace width is inversely with the impedance value, the thinner the trace is, the larger the impedance value.
Space, not only the space between the impedance traces will affect the impedance value, but the ground copper around the impedance traces. Impedance traces...
CMOS inverter:
Fig : CMOS Inverter
VIN
Vout
NMOS
Region of operation for NMOS
PMOS
Region of operation for PMOS
< Vtn
VOH
Off
Cut off
On
Linear
VIL
VOH
On
Saturation
On
Linear
Vtn = VDD/2
VDD/2
On
Saturation
On
Saturation
VIH
VOL
On
Linear
On...
CMOS:
CMOS stands for Complementary Metal Oxide Semiconductor Field Effect Transistor.
nt
Fig: CMOS circuit
Advantages of CMOS:
High noise margin due to full voltage swing.
High input impedance due to IG = 0.
Low output impedance, in steady state there always exists a path with finite...
Energy band diagram:
Equilibrium :
In ideal conditions there is no external supply to the device so the energy gap between conduction and valence band is high.
The gap between Evac and Efm is called the work function qΦm is the energy required by an electron to move from Fermi energy to...
Short channel device:
A device is said to be short channel if it has following properties:
A device is called a short channel if its channel length is <1µm.
If the channel length is in the order of depletion region width at source and drain junction it is a short channel device.
If the...
Power electronics play a critical role in modern society, powering everything from our smartphones to electric cars. However, designing and optimizing power electronics can be a complex and challenging task. Fortunately, the power of simulation can help engineers to design and optimize power...
The NXP i.MX8M Plus,equipped on Folinx embedded OKMX8MP-C, has strong performance, integrating four multi-core ARM Cortex-A53 with frequency maximum to 1.8GHz, (industrial grade option@ 1.6GHz) and one real-time Cortex-M7 that can easily handle high-speed data throughput, processing, and complex...
Depletion MOSFET
Depletion N MOSFET:
Fig: NMOSFET - depeletion
VGS = 0 volts VDS > 0
Though the VGS is zero volts but due to external supply at drain and the presence of channel the electric field from drain causes electrons from source to travel from source to drain there by causing...
There are multiple interface options available for transmitting data to a TFT LCD display. Parallel interface is one of the commonly used interfaces. Within parallel interfaces, there are two categories, MCU and RGB. These interfaces vary in memory allocation, timing, number of pins and control...
Capacitive touch technology is increasingly used in user interfaces for a variety of devices. A capacitive touch display is created by attaching a capacitive layer on top of a glass panel substrate. These components are then covered with a protective outer layer, and the surface of the device...
Over the last decade, smartphones have morphed from simple gadgets for making calls and texting to powerful mobility computing artefacts. For instance, some modern smartphones like the Samsung Galaxy Note20, comes with 8GB of RAM and has more computing power than the average personal computer...
I am using ncverilog with 45nm technology cadence virtuoso and i am getting the following error:
I believe that i am missing a few library files but i am unable to figure out which ones. i have also gone through cadence manuals but have not reached a conclusion.
Any help will be appreciated!
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