| 串联复合管有四种连接方式 |
| 添加时间：2019/9/20 16:01:53 浏览次数： |
| 串联复合管是将一个小或中小功率管和一个大中功率管串联组合而成。 Series composite tube is composed of a small or medium power tube and a large and medium power tube in series. 因此串联复合管具有增大电流放大系数和提高输入阻抗的特点，同时也解决了大功率管配对的困难，在电子电路的交直流放大电路中应用也较广泛。 Therefore, the series composite tube has the characteristics of increasing current amplification coefficient and input impedance, and it also solves the difficulty of matching high-power tubes. It is also widely used in the AC/DC amplifier circuit of electronic circuit. 串联复合管有四种连接方式。 There are four connection modes for series composite pipes. 应该指出，串联复合虽然能得到较大的电流放大和提高输入阻抗，但是，它的稳定性较差，其原因是复合管的电流放大系数不够稳定，复合管的穿透电流比单管运用时大得多，因此，串联复合的第一级管子的穿透电流必须是很小的。 It should be pointed out that although series composite can obtain larger current amplification and improve input impedance, its stability is poor. The reason is that the current amplification coefficient of the composite tube is not stable enough. The penetrating current of the composite tube is much larger than that of the single tube. Therefore, the penetrating current of the first stage tube of series composite must be very high. Small. |
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