Title :
A 13.56 MHz high power and high efficiency RF source
Author :
Gupta, Arpan ; Arondekar, Yogesh ; Ravindranath, S.V.G. ; Krishnaswamy, Harish ; Jagatap, B.N.
Author_Institution :
Atomic & Mol. Phys. Div, Bhabha Atomic Res. Centre, Mumbai, India
Abstract :
This paper describes design and implementation of highly efficient, low cost 13.56 MHz, 1.5kW RF source for ICP-AES. The design is based on current mode class-D power amplifier built using push-pull hybrid DRF1300. Prototype power amplifier achieves drain efficiency of 90% for power output above 1kW. Design shows that CMCD can achieve better efficiency compared to VMCD.
Keywords :
HF amplifiers; atomic emission spectroscopy; current-mode circuits; power amplifiers; CMCD; ICP-AES; VMCD; current mode class-D power amplifier; drain efficiency; frequency 13.56 MHz; high efficiency RF source; high power RF source; power 1.5 kW; push-pull hybrid DRF1300; voltage mode class-D power amplifier; Capacitance; Capacitors; Inductance; Inductors; MOSFET; Radio frequency; Switches; Class-D; high efficiency; power amplifiers;
Conference_Titel :
Microwave Symposium Digest (IMS), 2013 IEEE MTT-S International
Conference_Location :
Seattle, WA
Print_ISBN :
978-1-4673-6177-4
DOI :
10.1109/MWSYM.2013.6697329
