Column: Optical isolation


Figure 6: Connections for design 4


Figure 5: Design 4


+12V. PUPIA2 is connected to the non- inverting input terminal of the buffer amplifier LM358P-3B, from whose output VOUT


is obtained. VIN


5.00V, VOUT 24V, VOUT


= 0-24V. When 0.00V ≤ VIN = VIN


≤ . When 5.01V ≤ VIN ≤ will be equal anything from


5.01V to 5.07V; see Figure 7 and Table 2. For proper operation make sure R6/(R5+R6) = 62.62%. Set VIN


to +5.00V and with P1 take VOUT to +5.00V.


Table 2: Input and output voltages for design 4; 5.0X is a value from 5.01V to 5.07V, due to the electrical characteristics of LM358P-1A


Figure 7: VOUT


vs. VIN


for design 4


12 April 2022 www.electronicsworld.co.uk


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