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Power Supply
Do not power up the EM20 until it is properly connected. Be sure the power is cut off before connecting a
flexible cable to or disconnecting a flexible cable from the host interface connector. Hot-plugging could
damage the engine.
Unstable power supply or sharp voltage drops or unreasonably short interval between power-ons may
lead to unstable performance of the engine. Do not resupply the power immediately after cutting it off. The
minimum interval must exceed 2 seconds.
Ripple Noise
Image sensor and decoder chip are directly fed by the input power of EM20. To ensure the image quality,
a power supply with low ripple noise is needed.
Acceptable ripple range (peak-to-peak) : ≤50mV (≤30mV recommended).
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Chapter 3 Electrical Specifications
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