Skip to main content

What is EMC (Electro Magnetic Compatibility)?

 EMC: EMC is defined as the ability of electronic and communication equipment to be able to operate satisfactorily in the presence of interference and not be a source of interference to nearby equipment.

    


Effects of EME/EM Interference

1. Equipment to equipment

  • Loss of data in digital systems or in the transmission of data.
  • Interference to TV and radio reception.
  • Malfunction of Medical electronic equipment.
  • Malfunction of automotive microprocessor control system(braking) and navigation equipment.
  • Malfunction of critical process control functions(ex. Oil, chemicals, aircraft, railways).

2. Equipment to human

  • IEEE C95.1 Standard for safety levels with respect to human exposure to radio frequency electromagnetic fields. 3KHz to 300 GHz
  • ICNIRP Guidelines limiting exposure to time-varying electric, magnetic and EM Fields(up to 300GHz).


Comments

Post a Comment

Popular posts from this blog

SPI USING VHDL VERILOG ALONG WITH TEST BENCH

SPI (Serial Peripheral Interface) is a synchronous serial communication protocol that is commonly used for communication between integrated circuits. It has a simple, 4-wire interface: a clock (SCLK), a master output slave input (MOSI), a master input slave output (MISO), and a chip select (CS or SS). In a typical SPI communication, the master device generates the clock signal and controls the chip select signal to select the slave device it wants to communicate with. The master then sends data to the slave on the MOSI line, and the slave returns data to the master on the MISO line. The data is transmitted and received in parallel, with each bit being transmitted on a separate clock cycle. Here is an example of how you might implement an SPI interface in VHDL: Copy code library ieee;  use ieee.std_logic_1164.all;   entity  spi is    port (   sclk : in std_logic;   mosi : in std_logic;   miso : out std_logic;  cs : in ...
Post a Comment
Read more

how to write MSB and LSB in verilog

  In Verilog, you can use the concatenation operator "{" and "}" to specify the most significant bit (MSB) and least significant bit (LSB) of a vector.   For example, suppose you have a 4-bit vector called "data" and you want to select the LSB (data[0]) and the second most significant bit (data[2]). You can do this using the following code:   Copy code
Post a Comment
Read more

Types of communication interfaces ?

 Communication interfaces facilitate the exchange of data, signals, or information between different systems, devices, or components. Here are several types of communication interfaces commonly used in various domains: 1. Serial Communication Interface:    - Serial communication interfaces transmit data one bit at a time over a single communication channel. Examples include RS-232, RS-485, UART (Universal Asynchronous Receiver-Transmitter), SPI (Serial Peripheral Interface), and I2C (Inter-Integrated Circuit). 2. Parallel Communication Interface:    - Parallel communication interfaces transmit multiple bits simultaneously over multiple channels. They are typically faster than serial interfaces but may require more wires and are susceptible to signal degradation over longer distances. Examples include parallel ports, IDE (Integrated Drive Electronics), and parallel buses within computers. 3. Network Communication Interface:    - Network communication in...
Post a Comment
Read more