ADF4218
FEATURES
GENERAL DESCRIPTION
ADF4216: 550 MHz/1.2 GHz
The ADF4216/ADF4217/ADF4218 are dual frequency synthe-
ADF4217: 550 MHz/2.0 GHz sizers that can be used to implement local oscillators (LOs) in
ADF4218: 550 MHz/2.5 GHz the upconversion and downconversion sections of wireless
2.7 V to 5.5 V Power Supply receivers and transmitters. They can provide the LO for both
Selectable Charge Pump Currents the RF and IF sections. They consist of a low-noise digital PFD
Selectable Dual Modulus Prescaler
(Phase Frequency Detector), a precision charge pump, a pro-
IF: 8/9 or 16/17 RF: 32/33 or 64/65 3-Wire Serial Interface Power-Down Mode
APPLICATIONS Wireless Handsets (GSM, PCS, DCS, CDMA, WCDMA)
OBase Stations for Wireless Radio (GSM, PCS, DCS, CDMA, WCDMA) BWireless LANS munications Test Equipment SOCATV Equipment grammable reference divider, programmable A and B counters, and a dual-modulus prescaler (P/P+1). The A (6-bit) and B (11-bit) counters, in conjunction with the dual...
