RF shielded case reduces power supply emissions

30th January 2020

Mick Elliott

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The RDI 20W Modular AC-DC Compact PCB Mount Power Supply series is available from New Yorker Electronics. The power supplies support up to 300VAC input with an operating ambient temperature of -40°C to +85°C, delivering up to 20W continuous output power.

New Yorker Electronics is among the first to offer both new RDI Power Supply models. The first, the AW-0504-PNL, delivers 5VDC at 4.0A.

Its counterpart the AW-1204-PNL delivers 12VDC at 1.8A. Both feature a unique RF friendly shielded case that dramatically reduces emissions.

This enables close proximity placement to RF circuits and antennas.

To ensure conducted and radiated emissions do not interfere with Wireless Connectivity, RDI designed the shielding and filtering over and above regulatory requirements, particularly the LTE bands.

RDI developed these new power supply products specifically to address the broad AC voltage and environmental issues encountered in the Municipal and Industrial IoT markets, and to enable the embedding of the power supply directly on the PCB.

A majority of Municipal and Industrial IoT devices will incorporate Wireless Connectivity, meaning that now the power supply may be in close proximity to the device antenna and TX/RX circuitry.

Both 20W AC-DC Power Supply models are compact in size (52.4mm L x 27.2mm W x 24mm H) and were manufactured with protections against Short Circuit, Overload, Over Voltage and Over Temperature. They provide high reliability with a one-year warranty.