RFMD2081 Datasheet, PDF (14/18 Pages) RF Micro Devices – 45MHz TO 2700MHz IQ MODULATOR WITH SYNTHESIZER/VCO

RFMD2081
Typical Performance Characteristics: VCO
V_DD = +3V and T_A = +27°C unless stated otherwise, as measured on RFMD2081 evaluation board.
VCO1 Frequency versus Tuning Voltage
VCO2 Frequency versus Tuning Voltage
For the same coarse tune setting, LO divide by two
1505
For the same coarse tune setting, LO divide by two
2020
1500
1495
2015
2010
2005
1490
1485
1480
1475
0.0
-40 Deg C
+27 Deg C
+85 Deg C
0.5
1.0
1.5
Tuning Voltage (Volts)
2000
1995
1990
1985
1980
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
2500
2495
2490
2485
2480
2475
2470
-40 Deg C
+27 Deg C
+85 Deg C
2465
0.0
0.5
1.0
1.5
Tuning Voltage (Volts)
-60.0
-70.0
-80.0
-90.0
-100.0
-110.0
-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
14 of 18
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at ([phone] or [e-mail].
DS140110