Just as they were busy working on it, Li Wengang arrived. Seeing Xing Baohua and Grandpa Li working on the score, he didn't disturb them as they sat to the side listening to the symphony practice.
After finally finishing a section, Xing Baohua asked Li Wengang, "What's up?"
Li Wengang nodded and said, "I need your help with something small?"
Xing Baohua nodded and replied, "Okay."
Then he said to Grandpa Li, "Let's stop here for today. Don't just sit around, go find an electronic band. Once you've found one, take Lu Zhong with you."
Grandpa Li stared wide-eyed at Xing Baohua's back for a moment.
Finding band members and instruments is easy; you can get together after get off work, work overtime for a little money, and get accompaniment and such. It's just that Xing Baohua's last line, "Take Lu Zhong with you," is much more difficult.
They all have stable jobs, and the tools they use to make a living also belong to their employers. Who can afford to buy them on their own?
Anyway, the old man tried his best to handle it, so it's not his fault if he couldn't get in touch with the people and equipment.
Xing Baohua and Li Wengang arrived at the cultural troupe, and on the way there, they briefly discussed what had happened.
Actually, it was Li Wengang's side job, or rather, not really a side job. If he did it well, he'd get a compliment; if he did it poorly, nothing would happen.
It's just about adding a wireless transmission device to the sound system of the performing arts troupe. The requirements aren't high; just making a sound is enough.
Xing Baohua happens to be an expert in this field, so who else could Li Wengang turn to but him, since he had published an article on wireless equipment?
Xing Baohua was too embarrassed to tell Li Wengang that his writings already had a patent and were being sold.
Looking back now, George and his team must have entered the middle of the negotiations. They haven't given any feedback on the progress.
Li Wengang's idea of getting into wireless technology seemed a bit presumptuous to Xing Baohua; it wasn't that simple.
If it uses the analog signal and walkie-talkie-like method mentioned before, the transmission is unstable and there is frequency crosstalk.
Let's take a look at the device Li Wengang made. It doesn't use integrated circuit boards; it's made up of many vacuum tubes.
It's unclear who modified it, but structurally it resembles a walkie-talkie.
High power and high transmission, large size and heavy weight.
Xing Baohua shook his head, wondering how to fix it!
"Teacher Li, if you're not in a hurry, I can build one for you later. As for the current thing, I'm a bit, how should I put it? I don't know where to start."
Xing Baohua looked at a mediocre box containing a number of tubes and various capacitors and other components—rough and primitive stuff—and shrugged slightly to Li Wengang, expressing his helplessness.
"If we do wireless transmission as you say, is it necessary to use a chip?" Li Wengang asked.
"No need for that. Actually, the equipment you're using is outdated. With today's technology, you don't need a chip. Just find two handheld radios and you can modify them."
Li Wengang nodded and said, "Yes, I'll go find some for you. The equipment department should still have some in stock. The higher-ups approved some from the Peony Radio Factory when we visited the veterans last time. Are two enough?"
"Then take two more. Is there a place that specializes in repairing electrical appliances? It would be convenient to get the materials there," Xing Baohua said.
"Yes, I've got some things and I'll go with you in a bit. It's near the family compound, a little far away." Li Wengang said, then left after telling Xing Baohua to wait for him.
Half an hour later, Li Wengang slung the military bag over his shoulder, which contained the radio he had mentioned.
The two walked for more than twenty minutes to reach the only appliance repair shop in the residential compound.
It's similar in nature to Xing Baohua Machinery Factory. Look at their place, it's not only big, but they also have four or five skilled workers.
It's so much better than Xing Baohua's makeshift team.
Li Wengang knew the person in charge inside, so after exchanging greetings, he introduced Xing Baohua, saying, "Comrade Xing Baohua from Luzhong Electronics Factory."
This repair shop looks like it was run by someone who retired from Team B; they probably spent their service playing with wireless electronics and the like.
The person in charge was named Xu Dong. He wasn't very tall, but he was quite robust and looked to be in his forties.
He smiled and said to Xing Baohua, "What kind of guy does Comrade Xing Baohua need? I'll be your assistant."
"Thank you, but I can do it myself. I'm just causing you trouble by coming here."
"No trouble at all, no trouble at all. Our colleagues haven't been here before. Comrade Xiao Xing must be an expert from the electronics factory. This is a good opportunity for us to learn from you and see your skills." Xu Dong said this as he saw Li Wengang take a radio out of his military bag.
They can fix this stuff! Why bother contacting the people at Ludong Electronics Factory?
Besides, the Peony brand radios aren't even manufactured in Shandong! It would be understandable if someone from the factory came to repair them.
Li Wengang understood what he meant, shook his head with a wry smile without correcting him, but he also wanted to see how Xing Baohua would set up a wireless transmission device using two radios.
"Is this some kind of trouble?" Xing Baohua thought to himself, turning to look at Li Wengang.
Li Wengang handed the radio he had taken out to Xing Baohua and said, "They only know how to repair ordinary electrical appliances. This wireless transmission is a good opportunity for them to learn, so I won't have to bother you again later."
"What kind of wireless transmission is this? Is it like using a walkie-talkie to communicate?"
Xing Baohua nodded quickly.
Xu Dong laughed heartily and said to Li Wengang, "I thought it would be much more difficult? Converting a radio into a walkie-talkie is simple! You should have just come over earlier, and I would have converted it for you."
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