Useful tips for everyday
How fast can an LED be switched? Direct emission LEDs typically have a turn-on time in single-digit nanoseconds, longer for bigger LEDs. Turn-off times for…
Why do my fuses keep blowing out? When a circuit breaker regularly trips or a fuse repeatedly blows, it is a sign that you are…
What is the S-parameter of a 3 port microwave device which has a difference arm? If a signal is fed at port 3, then the…
What do ground wires do? It’s purpose is to carry electrical current only under short circuit or other conditions that would be potentially dangerous. Grounding…
Is there such thing as battery operated heaters? Battery based heaters use electric resistance heating, which uses a lot of current (electricity) to create the…
Can a ground be any piece of metal? So to answer your question: the grounding object can be any size, as long as the parts…
What is DAQ noise? There is EMI (Electro Magnetic Interference) and RFI (Radio Frequency Interference) induced noise along the path of the signal wires. There…
How do you represent decimals in binary? An easy method of converting decimal to binary number equivalents is to write down the decimal number and…
What is PWM in smps? PWM (Pulse Width Modulated) power supplies are a type of switching power supply. Pulse Width Modulation is generally used to…
What happens to a reflected wave? The reflected wave is also inverted (upside down). This is a general rule for mechanical waves passing from a…