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- constant circuit with PWM 斩波恒流
- The main circuit of the wire-incisory pulse power with PWM energy-controlled electric spark serves as a closed loop. PWM控制节能式电火花线切割脉冲电源主电路是一个电流闭环控制系统,放电电流的动态特性是影响电火花线切割加工工艺性能的重要因素。
- Good command of analog circuit with 2 yr above experiences. 2年以上模拟电路的开发设计经验。
- Used in low signal and time constant circuits. 适用于低信号电路、时间常数电路。
- A combinational circuit with only one output channel. 一种只具有一个输出通道的组合电路。
- Recommend a real-time pulse counts circuit with low consumption. 摘要介绍一种低功耗实时脉冲计数电路。
- The power output can hold fixedness and be changed through changing the output voltage of BUCK circuit with the control of PWM control circuit. 介绍了一种输出功率恒定的功率超声电源,此电源采用PWM方式控制BUCK斩波电路,实现恒功率输出及可调。
- Modify 850 2IN1 circuit with desoldering temperature display for easy control. 优化850二合一的线路,增加热风温度显示,令操作更容易。
- Receive probe of a DVM the test to nod A, explore circuit with another probe. 将一个 DVM 探头接到测试点 A,并用另一个探头探测电路。
- Based on the requirement of magnet power supply performance,a PS-FB-ZVZCS PWM circuit with saturated inductor and its design principle of several key parameters is introduced. 基于高精度高稳定度磁铁电源的要求,文章采用ZVZCS移相全桥主电路设计方案,给出了电路中关键参数的设计方法,并试制了一台样机。
- This simulating calculation can be implemented by either the approach of constant circuit feed or the approach of constant mill feed,according to different presumptions for the calculation. 根据计算时预设条件的不同,循环收敛计算法可进一步分为恒定回路给矿量和恒定磨机给矿量的两种计算方法。
- This application note describes how DTMF (Dual-Tone Multiple Frequencies) signaling can be implemented using any AVR microcontroller with PWM and SRAM. 叙述了带有PWM和SRAN的AVR系列微控制器产生双音多频(DTMF)信号的方法。
- Do not use ammeter in circuits with more than 32V present. 不得在电压不要超过32V的电路上测试电流。
- The controller, which adopts PIC16F877 as the master control chip, controls the coils with PWM (pulse width modulation) through power devices. 控制器以PIC16F877为主控制芯片,通过功率器件对线圈实行分组PWM(脉冲宽度调制)控制。
- To drive the two-phase hybrid stepping motor, we adopt constant frequency pulse and subdivides drive circuit with M535, which with low speed vibration and precision orientation. 采用M535驱动器作为步进电机的驱动控制器,采用具有低速振动和定位精度高的恒频脉宽细分驱动电路;
- Compared with PWM converter, PSM converter has quicker response and better interference rejection besides high efficiency. 研究表明PSM变换器不仅较PWM调制模式轻载下效率高,而且具有响应速度更快,抗干扰性更好的特点。
- Suitable for high stablity circuits,such as oscillatory circuits and time constant circuits,etc. 树脂包封标准品,稳定性高。适用于高稳定线路,如振荡回路、时间常数等回路。
- A circuit with multiple inputs and one output that is energized only when a designated set of input pulses is received. 选通电极,门电路具有多个输入端和一个输出端,只有当一套指定的输入端受到脉冲时才有能量
- Our team is building an unusual form of crossbar logic circuit with arrays of switches and wired ANDs and ORs. 我们的小组正在利用开关阵列和接线上的AND与OR逻辑闸,建造一种不寻常的交叉杆逻辑电路。
- His wife was a constant inspiration to him. 他的妻子经常鼓励他。