The input network consists of R1, R2, R3 and experimental circuits. This network provides an input voltage for the base of Q1A, the level of which depends on the resistance of the experimental circuit. The output of the emitter outputter Q1A applied to one side of the differential amplifier is compared with the reference voltage generated by R10 and R11, and is isolated from the differential amplifier transistor Q2B by the emitter follower QtB. The differential amplifier output on the Q2A collector is used to excite the level indicator Qs. This indicator reference level is held constant by Zener diode D1. When the resistance of the experimental circuit is greater than the nominal value, the output on the collector of Q3 is a positive voltage, and when it is less than the nominal value, the output is low. Micro USB 3.0 Male,Micro USB 3.0 Straddle Type,B Male Straddle Type 0.8mm,MICRO USB 3.0 B MALE ShenZhen Antenk Electronics Co,Ltd , https://www.antenksocket.com
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USB3.0 is a USB specification, which was initiated by Intel and other companies. The maximum transmission bandwidth of USB3.0 is as high as 5.0gbps (500MB / s).
While maintaining compatibility with USB2.0, USB3.0 also provides enhancements: significantly increased bandwidth (up to 5Gbps full duplex); better power management;
more power; faster device identification; and higher data processing efficiency.
The reason why USB 3.0 has the performance of "speeding" is entirely due to the improvement of technology.
Compared with USB 2.0 interface, USB 3.0 adds more physical buses in parallel mode.
You can pick up a USB Cable and look at the interface.
On the basis of the original 4-wire structure (power supply, ground wire, 2 pieces of data), USB 3.0 adds 4 lines for receiving and transmitting signals.
So there are eight lines in the cable and on the interface.
It is the additional 4 (2 pairs) of lines that provide the bandwidth required for "superspeed USB" to achieve "over speed".
Obviously, two (1 pair) lines on USB 2.0 are not enough.
In addition, in the signal transmission method, the host control mode is still used, but the asynchronous transmission is changed.
USB 3.0 makes use of two-way data transmission mode instead of half duplex mode in USB 2.0 era. In short, data only needs to flow in one direction, which simplifies the time consumption caused by waiting.
In fact, USB 3.0 does not take any rarely heard of advanced technology, but theoretically increases the bandwidth by 10 times. As a result, it is more friendly and friendly. Once superspeed USB products come out, more people can easily accept and make better customized products.