There is a severe shortage, and we need to rely heavily on imports.
It's not that China doesn't have domestically produced chips. They do exist and are usable, but the quality can't be guaranteed; the initial yield rate is extremely low.
Secondly, the price is not cheap, and the supply is not timely.
The third issue is equipment and product upgrades. Insufficient investment has led to a gradual decline in capabilities.
At the time, the saying was, "It's better to buy than to make." I don't know which bastard came up with that idea and actually did it.
In that environment, money was scarce everywhere, and every unit wanted funding from higher authorities to improve the environment and upgrade equipment.
Is it that easy?
With the government and banks facing a cash crunch, what can businesses and organizations waiting for funds do? They can only wait while simultaneously trying every possible way to generate profits.
Buying imported equipment requires foreign exchange, and the country is encouraging foreign exchange earnings. Large-scale foreign exchange consumption requires reporting and approval at each level.
Is it that easy to get approval? No, so what do we do with the products we need? We buy existing finished products from outside.
I don't know who it was, but they felt that buying equipment required waiting, and they couldn't afford to wait, so they decided to buy ready-made equipment. Buying more would also get them a discount, which led to a situation where buying was better than building.
If some people had persisted in manufacturing and researching back then, and invested more money, our country's semiconductor industry could have kept pace with the US, and our lives would have been much shorter.
From the 1960s to the 1980s, we had our own lithography machines. It's a pity. Because of the system at the time, our investment in lithography machines was low, our research and development was slow, and ultimately, we fell behind overall.
Xing Baohua felt the chip in his hand was somewhat heavy. If possible, he hoped that it could be produced domestically.
As for patents, to hell with them. We'll throw all shame at the chance to keep developing. Besides, Xing Baohua has the chip's structural diagram crystal clear in his mind.
Once the design is completed, it can be handed over to domestic factories for production. Chips of that era weren't particularly difficult to manufacture, so they could be perfectly replicated.
Of course, the chips produced cannot be sold to Europe and the United States.
Go back and ask Zhang Xuebao which research institute or factory in China can manufacture this thing.
"Should we upgrade the chip structure to circumvent the patent? I'm just worried that domestic production lines can't keep up and won't be able to produce it. Even if they can, the yield rate will drive up the price of the chip," Xing Baohua thought to himself.
With digital chips, Xing Baohua can do a lot of things, but of course, it also depends on who has the chips.
The reader itself isn't difficult to make; it's simple to manufacture. The challenge lies in the bootloader driver, which requires both software and hardware development.
I had already planned out the production idea and drawn up the diagrams. I called Liu Quan over to help, but when I saw Xu Shuai trying to get closer, I immediately sent him away to continue gathering information.
Liu Quan began preparing parts according to the components on Xing Baohua's drawings, occasionally picking up a component to ask for its name to confirm.
Xing Baohua was very pleased with his serious demeanor; this was the attitude she should learn from.
"Hua Zi, how do you make a blank circuit board?" Liu Quan asked, taking out a circuit board full of holes.
"Put it there for now, I'll teach you how to make a sample and weld it in a bit," Xing Baohua said.
"Okay." He put the blank circuit board aside and picked up the blueprints to look at them carefully.
After finishing her work, Xing Baohua began preparing for production, first teaching Liu Yuan some theoretical knowledge, such as what it means to make a pattern.
Making a prototype involves creating a sample before mass production of circuit boards. Specifications, spacing, and circuit routing must all be recorded in detail.
Only after the prototype is prepared and tested can large-scale circuit board printing and subsequent work proceed.
Components were inserted into the blank board, and Liu Quan was asked to solder them, while Xing Baohua directed him from the side. Don't underestimate a small soldering job; there are techniques involved.
It took the two of them half a day to tinker with a small writer-reader, finally finishing it around 3 PM. They did a simple power-on test, but lacking advanced equipment, they could only use a multimeter to measure the values of a few electronic components.
Going to the computer lab at this inconvenient time might not solve the problem. Let's wait until tomorrow; with more time, we can rewrite the code and reprogram the chip.
Since we had nothing better to do, we asked Liu Quan to go find Xu Shuai nearby and we could go and find some high-powered speakers together.
By the way, have Liu Quan tell Xu Shuai to go to the factory and find a strong magnet, the strongest magnet.
The development of loudspeakers in China is quite mature, with sizes available in various sizes. The only limiting factor for sound quality is power; if the loudspeaker power isn't modified, the only way to compensate is with an amplifier. This requires adding more digital signal amplifiers to the amplifier unit.
This is where the value of the chip becomes apparent: multi-channel control and power management. Especially in power management, it allocates control to each component.
Without a power manager, the power output of a combination of digital signals and tubes would be a disaster.
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