RFMD2081 Datasheet, PDF (12/18 Pages) RF Micro Devices – 45MHz TO 2700MHz IQ MODULATOR WITH SYNTHESIZER/VCO

RFMD2081
Typical Performance Characteristics: Synthesizer
V_DD = +3V and T_A = +27°C unless stated otherwise, as measured on RFMD2081 evaluation board.
Synthesizer Phase Noise
4000MHz VCO Frequency, 26MHz Crystal Oscillator
-60.0
-70.0
-80.0
-90.0
-100.0
2000MHz
1000MHz
500MHz
250MHz
125MHz
-110.0
-120.0
-130.0
-140.0
-150.0
-160.0
1.0
10.0
100.0 1000.0 10000.0 100000.0
Offset Frequency (KHz)
Synthesizer Phase Noise
4000MHz VCO Frequency, 52MHz Crystal Oscillator
-60.0
-70.0
-80.0
-90.0
-100.0
2000MHz
1000MHz
500MHz
250MHz
125MHz
-110.0
-120.0
-130.0
-140.0
-150.0
-160.0
1.0
10.0
100.0 1000.0 10000.0 100000.0
Offset Frequency (KHz)
Synthesizer Phase Noise
5200MHz VCO Frequency, 26MHz Crystal Oscillator
-60.0
-70.0
-80.0
-90.0
-100.0
2600MHz
1300MHz
650MHz
325MHz
162.5MHz
-110.0
-120.0
-130.0
-140.0
-150.0
-160.0
1.0
10.0
100.0 1000.0 10000.0 100000.0
Offset Frequency (KHz)
Synthesizer Phase Noise
5200MHz VCO Frequency, 52MHz Crystal Oscillator
-60.0
-70.0
-80.0
-90.0
-100.0
2600MHz
1300MHz
650MHz
325MHz
162.5MHz
-110.0
-120.0
-130.0
-140.0
-150.0
-160.0
1.0
10.0
100.0 1000.0 10000.0 100000.0
Offset Frequency (KHz)
Synthesiser RMS Integrated Phase Noise
Integration Bandwidth 1KHz to 40MHz
0.6
26MHz TCXO
0.5
52MHz TCXO
Note:
• 26MHz Crystal Oscillator: NDK ENA3523A
• 52MHz Crystal Oscillator: NDK ENA3560A
0.4
0.3
0.2
0.1
0.0
0.0
500.0 1000.0 1500.0 2000.0 2500.0 3000.0
LO Frequency (MHz)
12 of 18
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support, contact RFMD at ([phone] or [e-mail].
DS140110