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ADF4116BRUZ1 데이터시트

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ADF4116BRUZ1 RF PLL Frequency Synthesizers ADI
Analog Devices ADI
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GENERAL DESCRIPTION
The ADF4116 family of frequency synthesizers can be used to implement local oscillators in the up-conversion and down conversion sections of wireless receivers and transmitters. They consist of a low-noise digital PFD (Phase Frequency Detector), a precision charge pump, a programmable reference divider, programmable A and B counters and a dual-modulus prescaler (P/P+1). The A (5-bit) and B (13-bit) counters, 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), allows selectable REFIN frequencies at the PFD input. A complete PLL (Phase-Locked Loop) can be implemented if the synthesizer is used with an external loop filter and VCO (Voltage Controlled Oscillator).

FEATURES
ADF4116: 550 MHz
ADF4117: 1.2 GHz
ADF4118: 3.0 GHz
2.7 V to 5.5 V Power Supply
Separate VP Allows Extended Tuning Voltage in 3 V Systems
Selected Charge Pump Currents
Dual Modulus Prescaler
  ADF4116: 8/9
  ADF4117/ADF4118: 32/33
3-Wire Serial Interface
Digital Lock Detect
Power-Down Mode
Fast Lock Mode

APPLICATIONS
Base Stations for Wireless Radio (GSM, PCS, DCS, CDMA, WCDMA)
Wireless Handsets (GSM, PCS, DCS, CDMA, WCDMA)
Wireless LANS
Communications Test Equipment
CATV Equipment

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