Simple and practical high-current steady stream of audio source
Flow through large, TS (T6) on the turn, thus Makes the power flow through the tube current is limited to a certain extent, to achieve over-current protection function. Another ..., the increased power tube cooling area, and power control pad below good thermal conductivity of copper,
christian louboutin france, the junction temperature of each tube are basically the same, to improve its stability and reliability. If necessary, can be cooled with fans. In addition, high-power long-term work camps in the high temperature state, the junction temperature is too high is likely to cause deterioration of function parameters decreased, PN junction damage, reliability deterioration, and a suitable increase in the number of parallel power tubes, each tube to reduce burden, scattered power density, the junction temperature cools, the circuit of parallel r four pairs of Darlington to the output 30A of current. However, the power tubes in parallel and brought a new problem - all flow problem. 7 on the power held a held a , with the power of the test technology. 2, AC and DC capable of measuring two, essay deadlines and note 3. power generation of test papers to be submitted to the meeting to communicate, not to be before the 4 aspects of power transmission test public offering of journals published. paper format of scientific papers should be 5 power consumption of the test print full A4 paper, on graphs, charts and complete. each paper to l6. electrical equipment test pages, limited , generally not more than, please dry September 30, 1996 7, wires, cables send {test registration) to: Beijing Electric Power Research Institute Mr. Xu Liu 8, soap married Qian Fen Ting received surgery Zip: 100045 Tel: 010 - '~ 8,530,718.: Mat Ang ... papers reviewed by the special committee determined after admission. will be held October 30?' - ability to pass before the coma Qing Tao ... the main stem of the wilt. '... ...'.. 1], AC and DC sensor and test eleven ... ... ... ... 12, i are the wave power test and its Chinese Society of Electrical Engineering Measurement Technology and Investment special committee of electrical sub-table current source in the special committee, in order to maximize increase the output current, we must reduce the emitter resistance R of the resistance, to reduce its losses, but Nigeria is too small if you choose, from l to the power control parameters can not be exactly the same, will produce uneven current Some very small current flowing through the tube, while the current flowing through a large pipe so that it is easy to cause damage to the power control, we selected the circuit 0-lQ, current results are better than the effect following table to out of the output current of 10A when the average current situation. five, circuit performance and limitations of the measured data as follows Linearity: 0t3% difference: 0.05% Time stability: 0.2% / Stain Table 2 shows, The relationship between n and vitriol from the table data are available, the circuit linearity of 0.3% in Table 2 with the input voltage output current 0I1I load resistance R in the range of 0 ~ 5Q value of the output current changes in Table 3 the current source output current with load capacity of A031128028028027l IJ'l2_I) 300l2_l2-ll can be seen from Table 3, the current in the above range is basically constant , stability of 0.2%. Also to be noted that our source of stability with 0.2%, if we raise the stability of the signal source, current source of stability can be improved where needed to supplement ... point, the above analysis only on the resistive load,
ralph lauren paris, when the transconductance amplifier with inductive or capacitive load, because the output current and the phase between the feedback voltage, easy to make the circuit oscillate. to make it stable , you need to use other circuits and methods. transconductance amplifier which is where the limitations. VI Conclusion The circuit can be widely used in resistive load AC current source of stable production, the line is simple, convenient debugging. reliable. References 1 Li Bin,
franklin marshall pas cher, a brand new AC test power series. Kuai and electric meters,
ed hardy paris, 2 Liangfu Cheng, Yin Tong high stability power complain electrical measurement and instrumentation. Received Date I99512-16 (Han Song socks bream Friends j.. | I
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