| 2. | In the part of the transmitter , the pre - amplifier logarithmic amplifier , temperature complement circuit , anti - disturbing circuit , and v / i circuit , are discussed . the transmitter outputs 4 - 20ma . in the part of the displayer hardware design , the i / v convert circuit and the flame intensity signal processing circuit are introduced
在探头的设计中,详细介绍了前置对数放大器电路设计,在对数放大器加入了温度补偿电路和抗干扰电路,以保证测量精度和较大的量程,最后信号经电压电流的转换,得到4 - 20ma的标准信号作为探头的输出信号,进行远传。 |
