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The first diode discovered is referred to as the "vacuum tube diode," or simply the "diode." It was invented by John Ambrose Fleming in 1904 and consists of a heated cathode and an anode in a vacuum, allowing current to flow in one direction. This invention laid the groundwork for the development of modern electronics.
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What is the operating point in diode?
The operating point in a diode, often referred to as the quiescent point (Q-point), is the specific voltage and current at which the diode operates in a circuit under steady-state conditions. It is determined by the external circuit elements and the diode's characteristics, such as its forward voltage drop and reverse leakage current. This point is crucial for ensuring the diode functions correctly within its intended application, whether in rectification, amplification, or switching. Properly selecting the operating point helps optimize performance and prevents the diode from entering undesirable regions like breakdown or excessive forward conduction.
At what value of zener diode current is the zener voltage normally specified?
The zener voltage is typically specified at a specific zener diode current, often referred to as the test current (Izt). This value is usually found in the diode's datasheet and represents the current at which the zener voltage is stable and within specified limits. Operating the zener diode at this current ensures accurate voltage regulation, while deviations in current can lead to variations in the output voltage.
Difference between gunn diode and pin diode?
gunn diode is transfered electron device & PIN diode is semiconductor device
What is a real diode?
whether we know that p-n diode is real diode. But still in case of semeconductor we see then silics is real diode.
How a DMM is used to test a diode in the forward biase condition?
To test a diode in the forward bias condition using a Digital Multimeter (DMM), first set the DMM to the diode testing mode. Connect the positive lead to the anode and the negative lead to the cathode of the diode. A properly functioning diode will show a forward voltage drop typically between 0.6V to 0.7V for silicon diodes. If the reading is significantly lower than this or shows no conduction (open circuit), the diode may be faulty.
Who discovered the electrical property of zener diode?
charles zener
What is the purpose is of a diode?
The purpose of a diode is to allow electric current to pass in one direction while blocking electric current in the opposite direction. It is for this reason that diode is usually referred as the check valve.
How was Jacobsen Syndrome discovered?
It as first discovered by Danish physician Petra Jacobsen. It was discovered through genetic testing of children, thought to have genetic disorders. Its also referred to as 11q terminal deletion disorder
What is Reverse Saturation Current of a diode?
When a diode is operated as reverse bias the current flow is almost completely blocked. A small amount of current is still able to travel in reverse through the diode and this is referred to as the reverse current saturation.
Who invented the first semiconductor diode what it is called as and from which metal it is made up of?
The first modern semiconductor diode was made with germanium. These diodes were invented in ww2 for RADAR. But before that semiconductor diodes were made with galena (lead sulfide), copper oxide, and selenium. I have no idea which was "first".
Who discover the diode?
Well, discovery of the diode is a many forked question. The principle was discovered in 1873 and later noted by Thomas Edison, but no practical use was given the device until Flemming patented it in 1904.
Who invented diode and when?
The first diode was the Galena Cats Whisker. It was invented shortly after the development of radio, but I'm not sure by who.Fleming's vacuum tube diode came shortly afterwards.
When a 3.3 V zener diode is parallel with a 7 V zener diode what is the break down voltage?
Since they are in parallel, the 3.3V zener diode will "kick in" first when you reach 3.3V, and the circuit will pretty much act the same as if the 7V zener diode isn't there at all.
First computer to use all-diode logic?
a black guy
How is zener diode different from a conventional diode or ideal diode?
zener diode :zener diode operates under reverse bias voltageideal diode :ideal diode operates under forward bias voltage
What the first inhabitants of Fiji?
The original inhabitants of Fiji are referred to as Lapita people who settled in Fiji 3,500 years ago. Europeans later discovered Fiji.
What does BY stand for in the name of the diode BY127?
The first letter B indicates what the diode is made of, i.e. B stands for Silicon, hence it is a Silicon diode in this case (it could have been a Germanium diode if the first letter was A instead of B). And the second letter, Y in this case stands for the function of the diode, i.e. Rectifier (As these diodes are often used in rectifier circuits). Other second alphabets could be A, B, or Z which stand for separate functions (which I don't remember at the moment).
