Taking over the electronics factory, you actually created an industrial empire

Chapter 117 Difficulties in the development of mate 2 mobile phones!
After learning about the situation Shi Yongxin said in detail, Sheng Huainan knew the general situation.

Now, the Shangsha R&D Center has encountered some R&D problems!
The Shangsha mate 2 mobile phone is a breakthrough product.

Conventionally, for some breakthrough products, the product preparation time is relatively long. Generally speaking, it needs to go through theoretical research, technical research, technology shaping, technology commercialization, mass production, and then mass production. , The evolution process of efficiency improvement and cost reduction.

But now, thanks to Sheng Huainan's intervention, he can cut in directly from the technology formation, which can shorten the research and development time on a large scale.

But this also has a problem, that is, many mate 1 research and development technologies cannot be continuously iterated!
In R&D, in order to match the commercial opportunity window, it is necessary to further subdivide the time window into different stages, and decompose it into product details at different time points, specific to quarters or even months or days.

The timeline is now out of order!

iPhone 4S is far more technically difficult than Mi 1!
More importantly, in order to avoid some shortcomings of the previous iPhone 4S, Sheng Huainan also made some magic changes!
"It is compatible with the dual functions of GSM and CDMA standards at the same time, supports the latest two different 3G standards of WCDMA and CDMA, and realizes the smooth signal and global roaming function under the condition of no difference, which is too difficult!" Shi Yongxin said with a wry smile.

In the previous life, the new China Unicom, which meant the reorganization of telecommunications, was not officially established until 08. In this era, I don't know if it is due to the influence of Sheng Huainan, it has already been reorganized in advance.

Similarly, the 3G standard is now available one year ahead of schedule.

This shows that Sheng Huainan's influence on this era has begun to deepen!

In the later iPhone 4S era, this phone was famous for its poor signal. Of course, the current Mate 1 phone has the same poor signal, even worse than the iPhone 4S.

However, consumers of mate 1 mobile phones are basically living in cities, especially in first- and second-tier cities. Although the signal is poor in elevators and when going to the corner of the stairs at night, the impact is not great.

In the past, there was no chip design team to solve this problem, so we had to endure it.

Sheng Huainan looked at the design drawings given by Shi Yongxin, and looked at them carefully for about an hour. He almost knew where the problem was.

"Let President Zhu come over, it's 9 o'clock now." Sheng Huainan instructed Li Jingshu who was beside him.

After Zhu Shangzu came over, Sheng Huainan said, "If Mate 2 still uses the original radio frequency chip, there are certain problems. Their signal control ability is too poor to meet our requirements. Mr. Zhu, I told you last time Where is the development of the radio frequency chip, and can it be produced before the launch of Mate 2!"

The radio frequency chip in 07 is completely rubbish. It’s okay to drag the old man’s mobile phone, but it’s not good to do it on the mate 2 now. Sheng Huainan didn’t expect a semi-finished product to be released in time!

"Mr. Sheng, I sorted out some of the ideas you gave me last time, but in the two sectors of CMOS/GaAs HBT/pHEMT, although the theory is the same, they are all about the design of power amplifiers. The specific design of different processes is different. It’s too the same, I’m trying to get the team to adjust the linearity and robustness of the chip, but the effect is not very optimistic! The core reason is that there may be some differences in DC, S-parameter, and NF caused by the difference in the model, let alone P1dB, EVM and other large signal indicators..." Zhu Shangzu stroked his glasses, explained the current research and development (river crab) in detail, and shook his head.

Li Jingshu on the side, as Sheng Huainan's assistant, has been trying to absorb what Zhu Shangzu said with her eyes wide open. Although she doesn't like the feeling that this kind of knowledge flows through her brain without leaving a drop, but in the end she has to have a A sense of frustration, she really couldn't understand what they were talking about!

"I think the problem may be in layout, coupling and how to use coupling. The higher the frequency, the more serious the coupling phenomenon, and even the coupling between two backvias may make your chip unstable. Coupling will cause various problems, And the key is that you often have no way to eliminate or reduce the coupling. On the other hand, although coupling will cause various problems, if you can effectively use some coupling during design, it will improve your design indicators. You should Work hard on this aspect..." Sheng Huainan tried his best to mobilize some knowledge about radio frequency chips in his brain, and he only had a little understanding of this aspect, so for Zhu Shangzu, a master, at most it was just a guide!

"I probably understand, Mr. Sheng. If this idea is correct, I estimate that I can provide a chip that can be used in 4 months!" However, Zhu Shangzu's eyes became brighter the more he listened, and the expression of shock rose. On the face, finally nodded.

What else did Sheng Huainan not understand!

He felt his scalp go numb!

too strong!
No wonder the other executives paid homage to Sheng Huainan that day, isn't this a genius among geniuses!
As the first work of Zheku chip, Zhu Shangzu also attaches great importance to it. Compared with the RF chip provided by Texas Instruments, this RF chip is about 2 years more advanced. According to Zhu Shangzu's estimation, this One chip can basically provide the best RF chip available on the market in 07, it is incredible!

You must know that chip design is monopolized by Western countries or the three countries or regions of the Sun Country, the Cold Country, and the Bent Country. There are no relevant design talents in China. Keep up with his train of thought, and there are some very unique insights.

He worked in a big chip design factory before?

impossible!
Chip design is a small circle, and there are only a few powerful Chinese in it who can keep up with Zhu Shangzu's thinking. It is impossible for him not to know him!

Shi Yongxin was a little confused when he heard it from the side.

"Is this an explanation of the situation?!"

"Mr. Sheng can chat with Zhu Shangzu even in the field of radio frequency chips!"

"This, this, Almighty is not that exaggerated!"

Thinking of this, Shi Yongxin was completely confused at this moment!

Even if it was him, he was just asking Zhu Shangzu about his needs. As for the way in the chip, he can only grasp the general idea, that is, the RF team in the R&D center can communicate a little bit. Sheng Huainan is really scary as the main trader.

"Boss Shi, why are you distracted? I still have three meetings to attend this morning. What problems do you still have unresolved?" Sheng Huainan looked at Shi Yongxin and frowned slightly.

He was crazy busy during this time, and he didn't want to waste even a minute of his time.

(End of this chapter)