Today's GSM handsets use high-power amplifiers to achieve maximum communication distance to the base station. These amplifiers consume large currents bursting at relatively low frequency rates which ...
Whatever the protocol used by a mobile phone, GSM or TDMA, RF transmitter switching creates the most notorious noise for the power supply. The RF power amplifier switches on and off at a rate of 217 ...
Milpitas, Calif. — Intersil Corp.'s operational amplifier features an 8-MHz low-pass filter that is said to remove Global System for Mobile Communications (GSM) noise from the video band — and it also ...
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