PLL Frequency Synthesizer
Data Sheet
PLL Frequency Synthesizer ADF4106
FEATURES
GENERAL DESCRIPTION
6.0 GHz bandwidth 2.7 V to 3.3 V power sup...
Description
Data Sheet
PLL Frequency Synthesizer ADF4106
FEATURES
GENERAL DESCRIPTION
6.0 GHz bandwidth 2.7 V to 3.3 V power supply Separate charge pump supply (VP) allows extended
tuning voltage in 3 V systems Programmable dual-modulus prescaler
8/9, 16/17, 32/33, 64/65 Programmable charge pump currents Programmable antibacklash pulse width 3-wire serial interface Analog and digital lock detect Hardware and software power-down mode
The ADF4106 frequency synthesizer can be used to implement
local oscillators in the up-conversion and down-conversion sections of wireless receivers and transmitters. It consists of a low noise, digital phase frequency detector (PFD), a precision charge pump, a programmable reference divider, programmable A counter and B counter, and a dual-modulus prescaler (P/P + 1).
The A (6-bit) counter and B (13-bit) counter, in conjunction with the dual-modulus prescaler (P/P + 1), implement an N divider (N = BP + A). In addition, the 14-bit reference counter (R Counter) all...
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