The power supply circuits provide the operating power for the various modules in the transceiver. Electronic regulation is used to provide stable, low ripple output voltages of +5, +10, and 13.6
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Get a quoteAccording to the special environment and requirement of base station communication power supply, by using corresponding circuit control analysis and heat dissipation design, two double
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Get a quoteThis article explores the definition, importance, applications, and considerations in PCB design for communication power supplies. A communication power supply refers to a power supply
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Get a quoteIn order to meet the high power and high stability requirements of communication base stations for power supply, this paper designs a dedicated 500W switch power supply for
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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.
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.
Communications infrastructure equipment employs a variety of power system components. Power factor corrected (PFC) AC/DC power supplies with load sharing and redundancy (N+1) at the front-end feed dense, high efficiency DC/DC modules and point-of-load converters on the back-end.
In a 3G Base Station application, two converters are used to provide the +27V distribution bus voltage during normal conditions and power outages.
Low profile power supply design usually includes printed circuit board (planar) power transformers and output inductors and surface mount input and output capacitors. Multiple output power supplies are often implemented with a multi-output flyback converter.
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