Temperature sensor 4 to 20 mA (CB8712E)

This circuit was found in a 90s Electronic Design. The circuit was designed to be powered by a 4 - 20 mA line.

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Magnetic Recorder Pickup Preamplifier (CB18328E)
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Non-linear operational amplifier IR15186S CB8068E (CB8067E)
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Speed control for car or model railroad (CB5417E)
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