Principle of base station power supply conversion to adjustable power supply

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6 FAQs about Principle of base station power supply conversion to adjustable power supply

What is a 3G base station converter?

In a 3G Base Station application, two converters are used to provide the +27V distribution bus voltage during normal conditions and power outages.

What is a communication enabled power supply?

In a communication enabled power supply, not just the output voltage, but current limit, operating frequency and other vital operating parameters become programmable by a host system during operation. Beyond programming, communication permits remote data logging of the operating conditions of the power supply.

What is a multi-output power supply design?

Multiple output designs may also employ a complex regulation scheme which senses multiple outputs to control the feedback loop. Voice-over-Internet-Protocol (VoIP), Digital Subscriber Line (DSL), and Third-generation (3G) base stations all necessitate varying degrees of complexity in power supply design.

How does a centrally managed power supply work?

In a centrally managed power supply, start-up, shut-down and sequencing can also be supervised remotely by a higher level supervisory system. All these options and the corresponding computing power on-board can open the door for customization of future power supplies and entire power systems through software.

What is a suitable standard bus for power supply applications?

Some of the potential suitable standard buses and their basic characteristics for power supply applications are: SMBus System Management Bus ! I2C like bus (2 wire, bi-directional) ! speed is between 10kb/s and 100kb/s ! limited device addressing

What is a preferred power supply architecture for DSL applications?

A preferred power supply architecture for DSL applications is illustrated in Fig. 2. A push-pull converter is used to convert the 48V input voltage to +/-12V and to provide electrical isolation. Synchronous buck converters powered off of the +12V rail generate various low-voltage outputs.

Principle of base station power supply conversion to adjustable power supply - Hifi Network Hub Power Solutions Inc.

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The power factor corrected (PFC) AC/DC produces the supply voltage for the 3G Base station''s RF Power amplifier (typ. +27V) and the bus voltage for point-of-load converters.
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