RFFC2071 Datasheet, PDF (15/23 Pages) RF Micro Devices – 2.7GHz RF SYNTHESIZER/VCO WITH INTEGRATED RF MIXER

RFFC2071/2072
Typical VCO Performance Characteristics
V_DD = +3V and T_A = +27°C unless stated. Measured on RFFC2071/RFFC2072 evaluation board.
1800
1700
1600
VCO
Frequency ¹⁵⁰⁰
(MHz)
1400
VCO1 Frequency versus CT_CAL
VCO1 with LO Divide by 2
-40 Deg C
+27 Deg C
+85 Deg C
25
20
15
Kvco
(MHz/V)
10
VCO1 Frequency versus Kvco
LO Divide by 2
VCO1
5
1300
1200
0
20
40
60
80 100 120
CT_CAL Word
2300
2200
2100
VCO ²⁰⁰⁰
Frequency
(MHz) 1900
1800
1700
1600
0
VCO2 Frequency versus CT_CAL
VCO2 with LO Divide by 2
-40 Deg C
+27 Deg C
+85 Deg C
20
40
60
80 100 120
CT_CAL Word
0
1200
1300
1400 1500 1600 1700
VCO Frequency /2 (MHz)
1800
VCO2 Frequency versus Kvco
LO Divide by 2
30
25
20
Kvco ₁₅
(MHz/V)
10
VCO2
5
0
1600
1700
1800 1900 2000 2100 2200
VCO Frequency /2 (MHz)
2300
2900
2800
2700
VCO
Frequency 2600
(MHz)
2500
2400
2300
2200
2100
0
VCO3 Frequency versus CT_CAL
VCO3 with LO Divide by 2
-40 Deg C
+27 Deg C
+85 Deg C
20
40
60
80 100 120
CT_CAL Word
VCO3 Frequency versus Kvco
LO Divide by 2
30
25
Kvco ₂₀
(MHz/V)
15
VCO3
10
5
0
2200
2300
2400 2500 2600 2700
VCO Frequency /2 (MHz)
2800
2900
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