Name
Abstract | ||
|---|---|---|
Satellite broadcasting of 4K/8K ultra-high definition television (UHDTV) was launched in Japan in December 2018. Because this system uses the amplitude and phase shift keying (APSK) modulation scheme, there is a need to improve the non-linear characteristics of the satellite transponders. To meet this requirement, we have been developing a 120-W-class Ku-band solid state power amplifier (SSPA) as a replacement for the currently used traveling wave tube amplifier (TWTA). In this study, we developed a gallium-nitride (GaN) SSPA and linearizer (LNZ). The SSPA achieved an output power of 120 W while maintaining a power added efficiency (PAE) of 31%. We evaluated the transmission performance of 16APSK in this SSPA channel in comparison with that in the TWTA channel. |
Year | DOI | Venue |
|---|---|---|
2019 | 10.1587/transele.2019MMP0006 | IEICE TRANSACTIONS ON ELECTRONICS |
Keywords | Field | DocType |
broadcasting satellite, SSPA, Ku-band, GaN | Broadcasting,Satellite,Ku band,Diode,Theoretical computer science,Linearizer,Electrical engineering,Mathematics | Journal |
Volume | Issue | ISSN |
E102C | 10 | 1745-1353 |
Citations | PageRank | References |
0 | 0.34 | 0 |
Authors | ||
8 | ||
Name | Order | Citations | PageRank |
|---|---|---|---|
| Masafumi Nagasaka | 1 | 0 | 1.01 |
| Masaaki Kojima | 2 | 2 | 2.01 |
| Takuma Torii | 3 | 0 | 0.34 |
| Hiromitsu Utsumi | 4 | 0 | 0.34 |
| Koji Yamanaka | 5 | 0 | 1.01 |
| Shintaro Shinjo | 6 | 1 | 4.01 |
| Mitsuhiro Shimozawa | 7 | 0 | 4.39 |
| Hisashi SUJIKAI | 8 | 3 | 2.71 |