Chapter 847: Shake another unit in
Gao Zhendong smiled and said, "There is no big problem. Part of this kind of device is used in digital circuits. As for the analog circuit, there are also considerations, that is, what I mentioned just now The problem that power electronic devices need to solve. "
Digital circuits do not require much linearity. They judge their work through level thresholds. 1 is 1, 0 is 0. As long as it is not outrageous, Its work has no effect. At this time, the main thing is to use the optocoupler isolation function. Of course, it is also possible to amplify the driving current, but these two uses do not require that linearity is so high.
As for how to ensure linearity in the analog circuit, in order to ensure the working state of the analog circuit, this is why Gao Zhendong created one of the power electronic devices in advance, and this product can do this.
When Gao Zhendong took the initiative to talk about this, General Manager Cui followed him and asked a question that everyone had been itchy for a long time: "General Manager Gao, the power electronics device you mentioned is what we are preparing for. What's the new component you want to make? What exactly is it? ”
Gao Zhendong nodded: "Yes, I'm going to build two power electronic devices, one for high power medium and high frequency, and the other for small power from low frequency to high frequency, among which the small power is used for this. , This thing is quite special. Its usage and function in the circuit. You can think of it as a crystal transistor. In fact, it is indeed a kind of transistor. However, its conduction does not depend on PN junction, but on a conduction Channel, in this case, its performance in the circuit can be equivalent to a resistor..."
Resistance!
This is right. This is not the same as the photoresistor, but the switching frequency is different from other characteristics, but this is correct.
"I understand, no wonder you are confident. To be honest, I have never heard of any semiconductors with this kind of characteristic."
Gao Zhendong smiled and said, "You haven't heard of it." Just pass it, this is a new component, and its newness is not a minor modification, but the 'new' of this thing is a completely different new principle. This thing is called a metal oxide field effect tube. MOSFET. ”
These words scared Director Pan and Chief Engineer Cui. The "new component" they thought was really the kind of small-scale and small-scale modifications that Gao Zhendong said, and in principle, a new component was created. No matter how brave he is, he dare not think about it.
1274: Hi, you're getting used to it slowly.
General Manager Cui carefully verified, and his throat was even a little dry: "General Manager Gao, do you mean, is this the world's first creation?"
Gao Zhendong thought for a while: "Not counting it." , It was found last year, and the concept was earlier. However, last year it was used on microelectronic chips and power electronic chips. This is the first, and its structure is somewhat different from that on microelectronic chips."
< br>General Gao is very knowledgeable. General Cui smiled and said, "Mr. Gao, you are very knowledgeable and knowledgeable, and you really don't have the ability to learn from other things. You can already digest and absorb such new technologies and create new ones. It's time to go."
"I don't need to digest and absorb. Last year, I used the integrated circuits produced by 1274 on microelectronic chips, and this thing was used in it."
MOSFET, metal oxide semiconductor field effect tube, 20 The concept was proposed in the era. Citimen has been working on it for decades, and has been working on it together, including RCA, Bell Labs, etc. It started applying for patents in 1960, created practical objects in 1962, and obtained patents in 1963. .
But with Gao Zhendong, the situation changed.
This guy directly brought PMOS into mature integrated circuits in 2011, while Citimen made that thing in 2012 just realized the idea, and it was slower and did not have useful value in the early stages. . In this context, many things have changed, and some related work is also underway. At least some historical materials on the history of semiconductor development will change.
However, there is a difference between MOS and MOSFET, the latter is more subdivided. As for the intellectual property rights, Gao Zhendong will not talk about it, and someone will be responsible.
What he is planning to do now is MOSFET, a FET (field effect) tube developed using MOS (metal oxide) technology, which is the king of small-power power electronic devices in the next decades, no doubt about it.
Gao Zhendong said lightly, choking Director Pan and Chief Cui and others so much that they couldn't speak. So it was you?
No wonder he was so confident that he had used similar techniques elsewhere. "What about another high-powered one?" asked Mr. Cui. "That high-powered type is related to thyristor, but not completely different. It has a very important new feature that can be turned off independently."
At this time, comrades from 1218 realized the seriousness of the problem, and Chief Engineer Gao gave too much.
I can't finish eating, I can't finish eating at all.
The two types of optocouplers, plus a low-power MOSFET, are already very difficult for the 1218 factory, and a new thyristor control system, completely beyond their capabilities.
Director Pan thought about it and said carefully: "General Engineer Gao, should we call another unit to come here?" No, I have to shake people.
He knew very well that he should not be greedy. If he had big eyes and small belly, he could not eat it, then it would be troublesome.
Not to mention the attitude of the Ministry, just delaying work makes him feel that he is committing a crime.
So since you can't eat it, it is necessary to shake another relevant unit in.
Gao Zhendong didn't care. They were familiar with the internal departments of the Twelve Machinery and knew which units could make the team work. In this detail, they might even know better than the leaders of the Twelve Machinery: " Which unit? "There are many people and strong forces, and as long as you can control the venue, you will not be afraid of the troubles caused by management.
It just so happened that Gao Zhendong was in the Twelve Machinery Department, and he was the kind who could absolutely control the field.
"The 16th Research Office of the Institute of Electronics, they are also responsible for thyristor-related work, and they are in Beijing, and their professional direction and work convenience meet the requirements." Director Pan expressed his thoughts, and the reasons were very good. Full and reasonable.
Gao Zhendong heard this, it was really good. At least the high-power device he wanted to build was based on thyristors. The situation in this sixteen-chamber does indeed meet this requirement. , at least in this regard, they have more basic and experience than 1218 and should be able to cooperate well with their work. "Well, yes, your suggestion is good." He nodded and agreed.
Director Pan looked at his watch: "That's it, Mr. Gao, it's time to get off work today. Since we have to invite a unit in, let's do this today. Let's go to the 16th Room. Responsible for implementing the implementation, and we will learn from you in the next two days. Since we want to shake people, there is no need to bother General Gao to say the same thing twice.
Gao Zhendong thought about it, he was about to get off work. Now that Lou Xiao'e's situation is, he naturally can not stay at the unit, so he will not stay for more. The main reason is the current situation. It is more suitable to wait until the people from Room 16 come. "Okay, then we'll talk about it tomorrow and the day after tomorrow. It depends on when you invite comrades from Room 16 to come. Let's go to the cafeteria, we're all here, have a meal , hahaha. "Gao Zhendong invited them.
It's almost time to eat, so there is still time to accompany your comrades to have a meal.
No mistakes, one poem, one post, one content, one in 6, one book, one bar, one read!
The comrades of 1218 readily agreed. For Director Pan and Chief Cui, even if they are not greedy for this meal, they still have comrades who follow them, and they cannot ignore their ideas.
There is a legend within the 12th Machinery Department. The meals from the canteen of the Third Rolling Factory of the 17th Machinery Department are delicious! There is a chef there, and his skills are amazing.
This is all circulated by the 12th Ministry of Machinery to find Gao Zhendong to do business. The so-called reputation is opened up little by little.
Gao Zhendong dared to say that Sha Zhu retired and opened a restaurant decades later. The business was absolutely good. There was no need to name it specifically, just "Red Star Canteen". The third rolling mill is also called Red Star Rolling Steel. Factory, a pun, it's great.
Sha Zhu, who just got married, was so happy that he was in a happy mood when he was having fun. He personally made a meal at the canteen window. There was no other reason. Today, Qin Huairu also worked in the afternoon. The couple could meet at dinner time. She just got married. Strange thought.
Silly Zhu, who had just cooked Qin Huairu and was teased by the workers in front and behind, saw Qin Huairu walking out of the cafeteria with her lunch box, immediately threw the spoon: "Ma Hua, come, take over!" br>
I have seen my wife, so why are you still here? What are you using for your apprentice?
Sha Zhu, who escaped before the battle and was ridiculed by his colleagues, smiled happily when he saw Gao Zhendong bringing people. The kids had something delicious again. "I laugh at you, it's not that I don't want to do it. There is a reception work here, I understand you."
——
The two program-controlled switches of the old Russian, to The goods are the fastest. We even directly drew two from a batch of prototypes for them, imitating their lifting and rotary switches, familiar with their switching network, and have high compatibility, so we don’t need to change them.
As for the big brother, you still need preferential treatment, so hurry up and supply the goods.
The old Russian communication experts gathered together, looking at the two switches in front of them, whispering to each other. "It's hard to imagine that the technology of Southern Comrades is developing so fast." "This volume can achieve a capacity of 800 doors, and their miniaturization technology is amazing."
"Where is the instruction manual, let me show it."
"..."
In their conversation, the back panel of one of the units was dismantled, and the most conspicuous ones that caught their eyes were two circuit boards that looked similar to DJS-60D.
"This is really good news. Our comrades have almost half the progress of imitating DJS-60D. The faster they go, the faster they are. Since this switch uses DJS-60D control, the rest The only problem is that there is only software."
A Russian communication engineer was very happy. The controller and control software are the core. The controller is already being copied and it seems very close to success. So the rest The software is easy to handle. Nowadays, it is very easy to copy and analyze programs.
(This chapter ends)