Frequency Synthesizers
Found 3 free book(s)Chapter 9: FM Receivers
n0gsg.comadvent of frequency synthesizers, the frequency of the local oscillators in FM receivers was controlled by discrete LC resonant “tank” circuits, just like in an AM receiver. Using an LC tank allows the oscillator to drift off frequency and as luck would have it, drift becomes much more difficult to control in a VHF oscillator.
Wideband Synthesizer with Integrated VCO Data Sheet ADF4350
www.analog.cominteger-N phase-locked loop (PLL) frequency synthesizers if used with an external loop filter and external reference frequency. The . ADF4350 has an integrated voltage controlled oscillator (VCO) with a fundamental output frequency ranging from 2200 MHz to 4400 MHz. In addition, divide-by-1/2/4/8 or 16
RF Agile Transceiver Data Sheet AD9361
www.analog.comfrequency (RF) Agile Transceiver™ designed for use in 3G and 4G base station applications. Its programmability and wideband capability make it ideal for a broad range of transceiver applications. The device combines a RF front end with a flexible mixed-signal baseband section and integrated frequency synthesizers, simplifying