4-20ma Pwm

看到有人发过pwm转4~20ma电路，我也发个我的，已经在产品使用，非常稳定 (amobbs.com 阿莫电子论坛) Converts current loop 4/20ma or 0/20ma to a pwm output signal. Loop powered pwm to 4-20ma isolated signal converters input: 10hz-99hz

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20ma pwm transmitter sellection converter How to measure a 4-20ma loop signal Adjustable power supply analog at john tirado blog

Digital potentiometer with op amp

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How to measure a 4-20mA loop signal | Fluke

High-accuracy 4-20 ma current-loop transmitter

Creating 4 to 20maPwm-controlled 4-20 ma current-loop transmitter provides galvanic Buy 4-20ma signal generator, high accuracy 4-20ma 0-10v current voltage4-20ma output from arduino.

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Выход 4-20 ма от arduinoEsp8266 ws2812 driver Arduino ma current 20 pwm output 20ma signal uno transistor q1 complement cycle inverts duty software must number so实用：pwm转4-20ma电路（智能仪表上的电路） (amobbs 阿莫电子论坛).

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