Abstract: A single-chip digital polar transmitter integrates an all-digital synthesizer, a PM/AM modulator, and a linearized power amplifier for WCDMA/WLAN. The 1.7~2.5GHz LO signal is generated from ...

Abstract: The fault vibration signal of rotating machinery usually represents an AM-FM characteristic, so demodulating vibration signal is an effective method for fault diagnosis. Hilbert transform ...

Delayed by the government shutdown that halted most federal reporting, the FCC broadcast totals for Q3 2025 show slight growth, but continue to trace a clear divide between declining AM and commercial ...

It was originally anticipated in early October, but the shutdown of the federal government resulted in a pause of all non-essential efforts at the FCC, which furloughed more than 1,000 individuals ...