G - Physics – 01 – R
Patent
G - Physics
01
R
G01R 31/28 (2006.01) G01R 19/00 (2006.01) H03F 1/32 (2006.01)
Patent
CA 2120174
A device for testing an amplifier. A plurality of PN modulators are provided corresponding to a plurality of oscillators at stages preceding or following them, or fluctuation is given to division ratios at the oscillators. Since each of n carriers combined by a combiner contains phase fluctuation, the possibility that the peaks will overlap each other or that the carriers having opposite phases will negate each other is very low. The peak power in signals supplied to the amplifier to be tested is unlikely to vary, enabling accurate evaluation or testing.
Fujiwara Masaaki
Ito Akira
Nojima Toshio
Sakamoto Hironori
Gowling Lafleur Henderson Llp
Japan Radio Co. Ltd.
Ntt Mobile Communications Network Inc.
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