hrcak mascot   Srce   HID

Izvorni znanstveni članak
https://doi.org/10.1080/00051144.2018.1517439

High-power shortwave DRM transmitter in solid-state technology

Goran Pavlakovic ; Transmitter R&D Department, RIZ Transmitter Factory, Zagreb, Croatia
Silvio Hrabar ; Faculty of Electrical Engineering and Computing, Department of Wireless Communications, University of Zagreb, Zagreb, Croatia

Puni tekst: engleski, pdf (5 MB) str. 158-171 preuzimanja: 138* citiraj
APA 6th Edition
Pavlakovic, G. i Hrabar, S. (2018). High-power shortwave DRM transmitter in solid-state technology. Automatika, 59 (2), 158-171. https://doi.org/10.1080/00051144.2018.1517439
MLA 8th Edition
Pavlakovic, Goran i Silvio Hrabar. "High-power shortwave DRM transmitter in solid-state technology." Automatika, vol. 59, br. 2, 2018, str. 158-171. https://doi.org/10.1080/00051144.2018.1517439. Citirano 25.10.2020.
Chicago 17th Edition
Pavlakovic, Goran i Silvio Hrabar. "High-power shortwave DRM transmitter in solid-state technology." Automatika 59, br. 2 (2018): 158-171. https://doi.org/10.1080/00051144.2018.1517439
Harvard
Pavlakovic, G., i Hrabar, S. (2018). 'High-power shortwave DRM transmitter in solid-state technology', Automatika, 59(2), str. 158-171. https://doi.org/10.1080/00051144.2018.1517439
Vancouver
Pavlakovic G, Hrabar S. High-power shortwave DRM transmitter in solid-state technology. Automatika [Internet]. 2018 [pristupljeno 25.10.2020.];59(2):158-171. https://doi.org/10.1080/00051144.2018.1517439
IEEE
G. Pavlakovic i S. Hrabar, "High-power shortwave DRM transmitter in solid-state technology", Automatika, vol.59, br. 2, str. 158-171, 2018. [Online]. https://doi.org/10.1080/00051144.2018.1517439

Sažetak
Design of high-power shortwave broadcast transmitters is one among the rare areas in the field of radiofrequency (RF) electronics, where the electron tube, as the main element for amplification of RF signal, is still in active use. The first successful attempts to replace the electron tube with solid-state components, primarily in the output stage amplifier modules for the Digital Radio Mondiale (DRM) shortwave broadcast transmitters have been published only recently. With the latest technology advancements in RF power transistors, it is now possible for commercially available RF power MOSFET transistors to be used for switching purposes at shortwave frequencies. Here, an architecture of a 10 kW shortwave broadcast transmitter with solid-state power amplifier
modules in the RF output stage is proposed. Different implementations of the RF output stage that include power adding network from each amplifier module and the output matching network are analysed, both analytically and numerically. After choosing the optimal architecture, a
prototype of a commercial shortwave DRM broadcast transmitter was designed and constructed, measured, tuned and tested at RIZ Transmitter factory Zagreb.

Ključne riječi
Radio; transmitter; shortwave; solid-state

Hrčak ID: 225190

URI
https://hrcak.srce.hr/225190

Posjeta: 282 *