Frequency reference standards are essential
to achieving frequency accuracy and phase stability
in electronic systems. Such sources require the
chief characteristics of low phase noise and
good frequency stability.
Low Cost Signal
Sources for Multi-band, Multi-mode Wireless Communication
Systems
This article focuses on providing a cost-effective
solution for multi-band, multi-mode wireless
systems in which oscillators simultaneously
satisfy the oscillation conditions of two or
more signals, thereby obviating the need for
several signal sources required for each phone.
In multi-band, multi-mode radio architectures,
a number of local oscillator (LO) frequencies
are required in order to process the information
in various frequency bands.
