Chapter 3 Electrical Specifications; Power Supply; Ripple Noise - Newland NLS-EM3396 V2 Integration Manual

Oem scan engine
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Chapter 3 Electrical Specifications

Power Supply

Do not power up the EM3396 V2 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 EM3396 V2. 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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