RFFC2071 Datasheet, PDF (16/23 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.
VCO1 Frequency versus Tuning Voltage
For the same coarse tune setting, LO divide by two
1505
1500
1495
VCO1
Frequency /2 1490
(MHz)
1485
1480
1475
0.0
-40 Deg C
+27 Deg C
+85 Deg C
0.5
1.0
1.5
Tuning Voltage (Volts)
VCO3 Frequency versus Tuning Voltage
For the same coarse tune setting, LO divide by two
2515
2510
2505
VCO3 ²⁵⁰⁰
Frequency /2 ₂₄₉₅
(MHz)
2490
2485
2480
2475
2470
2465
0.0
-40 Deg C
+27 Deg C
+85 Deg C
0.5
1.0
1.5
Tuning Voltage (Volts)
VCO2 Frequency versus Tuning Voltage
For the same coarse tune setting, LO divide by two
2020
2015
2010
VCO2
2005
Frequency /2 ₂₀₀₀
(MHz)
1995
1990
1985
-40 Deg C
+27 Deg C
+85 Deg C
1980
0.0
0.5
1.0
1.5
Tuning Voltage (Volts)
-60.0
-70.0
-80.0
-90.0
-100.0
Phase
Noise -110.0
(dBc/Hz)
-120.0
-130.0
-140.0
-150.0
-160.0
10.0
VCO Phase Noise
With LO Divide by 2
2500MHz VCO3
2000MHz VCO2
1500MHz VCO1
100.0
1000.0
10000.0
Offset Frequency (KHz)
100000.0
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DS140110