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Design and implementation of a high power rf oscillator on a printed circuit board for multipole ion guides
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10.1063/1.2387881
/content/aip/journal/rsi/77/11/10.1063/1.2387881
http://aip.metastore.ingenta.com/content/aip/journal/rsi/77/11/10.1063/1.2387881
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic of the rf oscillator circuit. The connections of the transformer coils at points , , , and are elaborated in Fig. 4.

Image of FIG. 2.
FIG. 2.

(Color online) Radio frequency oscillator printed circuit board.

Image of FIG. 3.
FIG. 3.

(Color online) Radio frequency oscillator with the transformer coil, power supply, and the cooling fan enclosed in a shielded box.

Image of FIG. 4.
FIG. 4.

(Color online) Cross section of the transformer coil. Out (+) and out (−) are connected to the electrodes of the ion guide. , and are the secondary coil, feedback coil, and rf sensing loop, respectively. b and are the center tap of primary and secondary coils, respectively. [Refer to Fig. 1(a) for connections of the coils.]

Image of FIG. 5.
FIG. 5.

(a) Mass spectrum of ubiquitin obtained using the rf oscillator to drive the hexapoles. (b) Mass spectrum of ubiquitin after heating the ions with a laser.

Image of FIG. 6.
FIG. 6.

A low mass DHB dimer is observed testing the low transfer capability of the hexapoles driven by the rf oscillator PCB.

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/content/aip/journal/rsi/77/11/10.1063/1.2387881
2006-11-30
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Design and implementation of a high power rf oscillator on a printed circuit board for multipole ion guides
http://aip.metastore.ingenta.com/content/aip/journal/rsi/77/11/10.1063/1.2387881
10.1063/1.2387881
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