Proposed
RFFC5071/5072
Typical Performance Characteristics: VCO
V
=+3V and T =+27°C unless stated.
DD
A
VCO1 Frequency versus Kvco
LO Divide by 2
VCO1 Frequency versus CT_CAL
VCO1 with LO Divide by 2
25
20
15
10
5
1800
1700
1600
1500
1400
1300
1200
-40 Deg C
+27 Deg C
+85 Deg C
VCO1
0
1200
1300
1400
1500
1600
1700
1800
0
0
0
20
40
60
80
100
120
120
120
VCO Frequency /2 (MHz)
CT_CAL Word
VCO2 Frequency versus Kvco
LO Divide by 2
VCO2 Frequency versus CT_CAL
VCO2 with LO Divide by 2
30
2300
2200
2100
2000
1900
1800
1700
1600
25
20
15
10
5
-40 Deg C
+27 Deg C
+85 Deg C
VCO2
0
1600 1700 1800 1900 2000 2100 2200 2300
VCO Frequency /2 (MHz)
20
40
60
80
100
CT_CAL Word
VCO3 Frequency versus Kvco
LO Divide by 2
VCO3 Frequency versus CT_CAL
VCO3 with LO Divide by 2
30
2900
2800
2700
2600
2500
2400
2300
2200
2100
25
20
15
10
5
-40 Deg C
+27 Deg C
+85 Deg C
VCO3
0
2200 2300 2400 2500 2600 2700 2800 2900
VCO Frequency /2 (MHz)
20
40
60
80
100
CT_CAL Word
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Prelim DS101020
11 of 20
RFMD [ RF MICRO DEVICES ]
