Radio frequency dc-dc flyback converter

Biernacki, J.; Czarkowski, Dariusz

doi:10.1109/mwscas.2000.951594

Cited by 7 publications

(1 citation statement)

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“…A 10 MHz boost converter was used to efficiently transmit a l.22 MHZ signal in [13]. In order to effectively transmit signals such as those associated with 802.11b WLAN's which have data rates up to 1 Mbs, a converter with a switching frequency close to 100 MHz is needed [14]. Current mode analog integrated circuits, given an excellent treatment in [11], have very high bandwidth and consume little power.…”

Section: Introductionmentioning

confidence: 99%

100 MHz DC-DC switching converter with tracking control

D.S¹,

Lü²,

Czarkowski³

2008

2008 34th Annual Conference of IEEE Industrial Electronics

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A 100 MHz switching power supply with two-loop control is proposed for radio frequency power amplifiers. The power supply has a tracking bandwidth of 5 MHz and an estimated efficiency of 80%. The two-loop topology consists of a buck converter with an inner loop for one-cycle control and an outer loop that contains a PI compensator. With the two loops a stable feedback control is obtained with an excellent tracking. The VLSI two-loop feedback controller topology uses high-speed high-efficiency voltage comparator and current conveyors as their building blocks. AMI 0.5 µm CMOS technology is used. The converter performance is verified by means of simulations.

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Section: Introductionmentioning

confidence: 99%