SA7025 Datasheet, PDF (18/22 Pages) NXP Semiconductors – Low-voltage 1GHz fractional-N synthesizer

Philips Semiconductors
1GHz low-voltage Fractional-N synthesizer
Product specification
SA7025
j0.5
0
–j0.5
j1
j2
V_CCP = V_DD = 3V
T_A = 25°C
R3
L4
1Ω
2nH
1
50
300
600
900
1100
–j2
C2
0.1pF
R1
3000Ω
C1
0.85pF
Equivalent Input Impedance
–j1
Figure 24. Typical RF_IN Input Impedance
SR00620
1996 Aug 6
18