1) band-pass
带通，通频带
2) Pass band
通频带
1.
And the author describes a method for geting a wide pass band when we gesign an amplifier.
本文通过对几种放大电路的分析，阐述了放大器在电路和晶体管确定之后，“其增益与通频带的乘积基本上是个常数”这一重要概念。
2.
At last,10~(-9)-10~(-11)A micro-current can be pass band amplified and conversion to voltage signal.
通过设计和调试,该放大器能够实现10~(-9)—10~(-11)A的电流—电压通频带转换放大,达到了设计的要求。
3) Passband Frequency
通带频率
4) transmission Bands
通频带
1.
Analysed negative feedback influence on the mucircuit s performance by the software simulation,taken as an example of the negative freeback increasing the amplification s stability, improving the waveform s distortion, really expanding the transmission bands, simply introduced EWB software s application on the analog circuit in the teaching.
通过负反馈对放大电路性能影响的仿真 ,以负反馈提高放大倍数的稳定性、负反馈改善波形失真、负反馈扩展通频带的仿真为例 ,简要介绍了 EWB软件在模拟电路教学中的应
2.
Experimental result shows that this microphone has high sensitivity of-25 dB at 100 Hz and is locally flat in the transmission bands(20～800 Hz) at the bias voltage of 6 V.
在此基础上,探索性的研制了圆形振动膜半径为40mm,气隙厚度为50μm的低频传声器,实验表明,该传声器具有较高的灵敏度,当偏置电压为6V、100Hz时,灵敏度高达-25dB,在通频带(20～800Hz)局部平坦。
3.
Experiments show that this kind of microphone has a more high sensitivity, which is -27 dB at 100 Hz and is flat in the transmission bands , when the bias voltage is 4.
5V时,该传声器具有较高的灵敏度,100Hz处的灵敏度约为-27dB,通频带(20～300Hz)平坦,低频响应部分(0～20Hz)需要改进方法进一步测试。
6) communication band
通信频带
补充资料：通频带
在规定的衰减值下，电路能通过的频率范围。一般采用3分贝带宽。电路对信号的不同频率分量有不同的响应，凡信号分量中幅度在最大信号分量幅度的3分贝(即0707)衰减以内的频率范围便称为通频带。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条