The VM series of vector modulators can be integrated into base station multicarrier power amplifier applications to support high-speed data transmission for 2.5G systems.Typical performance ...

MANHASSET, N.Y. — Using a patent-pending combination of flash memory and interpolation, IFR Systems Inc. (Wichita, Kan.) has rolled out a vector modulator with the potential to save cellular phone ...

Said to combine excellent RF accuracy with low adjacent channel power to perform fast tests on mobile handsets, the 2029 vector modulator can convert any analog RF signal generator into a digital ...

1. This QSPK modulator uses the 2-bit input words to switch phases in the balanced modulators to produce both ±sinθ and ±cosθ signals that are summed to create the output.