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| irkt142-16资料 | |
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irkt142-16 |
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file size : 116 kb
manufacturer:英达 description:the passive bias circuits used in these designs include a dropping resistor in the collector bias line and a voltage divider from collector-to-base. using this scheme the amplifier can be biased from a single supply voltage. the collector-dropping resistor is sized to drop 2-3v depending on the desired vce . the voltage divider from collector-to-base, in conjunction with the dropping resistor, will stabilize the device current over temperature. configuring the voltage divider such that the shunt current is 5-10 times larger than the desired base current desensitizes the circuit to device process variation. these two feedback mechanisms are sufficient to insure consistent performance over temperature and device process variations. note that the voltage drop is clearly dependent on the nominal collector current and can be adjusted to generate the desired vce from a fixed supply rail. the user should test the circuit over the operational extremes to guarantee adequate performance if the feedback mechanisms are reduced. |
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| 1pcs | 100pcs | 1k | 10k | ||
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型 号：irkt142-16 厂 家：英达 封 装：可控硅模. 批 号：06 数 量：200 说 明：优势库存现货 |
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