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A few CdS LDR questions - maximum sensitivity wavelenght

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Eugen_E

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ldr cds

Hello

Do you know:
1. What is the maximum sensitivity wavelenght or color for a CdS LDR. Can this be paired with a red LED?

2. LDRs have a good electrical linearity - a linear resistor, not adding distortion? (the light - resistance characteristic linearity isn't imporatant for me)

I need to do a clasic simple and wide range audio AGC circuit, and LDR have a wide resistance variation range.

Thanks
 

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