sa8027 NXP Semiconductors, sa8027 Datasheet - Page 13

• Manufacturer Part Number: sa8027
• Description: 2.5 Ghz Low Voltage, Low Power Rf Fractional-n/if Integer Frequency Synthesizer
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2001 Aug 21
2.5 GHz low voltage, low power
RF fractional-N/IF integer frequency synthesizer
PROGRAM A WORD
PROGRAM C WORD
PROGRAM B WORD
PROGRAM B WORD
Figure 12. Typical programming sequence
Y
Y
Y
Y
PROGRAM D WORD
– SET DEFAULT
PROGRAM C WORD
– SELECT SA, SM
– SET CHARGE PUMP GAIN
– SET AUX DIVIDER
PROGRAM B WORD
– SELECT FDAC
– SET POWER-UP OPTION
– SET LOCK DETECT
– SET REF DIVIDER
PROGRAM A WORD
– SELECT MAIN DIVIDER
– SET FRACTIONAL-N
– SET FMOD
READY TO OPERATE
13
FREQUENCY
FREQUENCY
POWER–ON
CHANGE
CHANGE
CHANGE
POWER
POWER
POWER
DOWN
FDAC
MAIN
AUX
OFF
UP
N
N
N
N
N
Y
SR02360
SA8027
Product data