SP5668 Datasheet, PDF (6/12 Pages) Mitel Networks Corporation – 2.7GHz 3-Wire Bus Controlled Synthesiser

SP5668
C0
0
1
F_LO
2GHz
2GHz
CURRENT IN mA
MIN
TYP
0.23
0.30
0.68
0.90
Table 3 Charge pump
MAX
0.37
1.12
F_comp
(4MHz XTAL)
1MHz
2MHz
RF Division
RATIO
2000
1000
VCO PHASE
NOISE @1kHZ
OFFSET (dBc/Hz)
-84
-80
Table 4 Typical phase noise
EQUIVALENT
PHASE NOISE
PHASE
DETECTOR (dBc/Hz)
-146
-144
+j1
+j0.5
+j2
+j0.2
+j5
S₁₁:Z₀ = 50
NORMALISED TO 50Ω
0
0.2
0.5
–j0.2
–j0.5
1
2
5
X
X
–j1
X
–j5
X
–j2
FREQUENCY MARKERS AT 100MHz,
500MHz, 1GHz AND 2.7GHz
Fig. 4. Typical input impedance
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