TRF3750_14 Datasheet, PDF (11/39 Pages) Texas Instruments – HIGH-PERFORMANCE INTEGER-N PLL FREQUENCY SYNTHESIZER

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TRF3750
SLWS146B − MARCH 2004 − REVISED AUGUST 2007
TYPICAL CHARACTERISTICS
PHASE NOISE
vs
FREQUENCY
−40
−50
R^RMM^SS⁼=^0.90⁵.9^° 5°
PFD = 200 kHz
Loop BW = 20 kHz
−60
−70
−80
−90
−100
−110
−120
−130
−140
100
1k
10k
100k
1M
f − Frequency Offset from 1750 MHz Carrier − Hz
Figure 14. Phase Noise
(RFOUT = 1750 MHz)
0
−10
−20
−30
−40
OUTPUT POWER
vs
FREQUENCY
Reference Level = −6.9 dBm
AV_DD = DV_DD = 3.3 V
I_CP = 5 mA
Res. Bandwidth = 1 kHz
Video Bandwidth = 1 kHz
Average = 30
PFD = 200 kHz
Loop BW = 20 kHz
−50
−60
−70
−92 dBc
−80
−90
−100
−110
−120
−500−400 −300 −200−100 0 100 200 300 400 500
f − Frequency Offset from 1960 MHz Carrier − kHz
Figure 15. Reference Spurs
(RFOUT = 1960 MHz)
0
−10
−20
−30
−40
OUTPUT POWER
vs
FREQUENCY
Reference Level = −6.7 dBm
AV_DD = DV_DD = 3.3 V
I_CP = 5 mA
Res. Bandwidth = 1 Hz
Video Bandwidth = 1 Hz
Average = 30
PFD = 200 kHz
Loop BW = 20 kHz
−50
−60
−70
−80
−84 dBc/Hz
−90
−100
−2.5 −2.0 −1.5 −1.0 −0.5 0.0 0.5 1.0 1.5 2.0 2.5
f − Frequency Offset from 1960 MHz Carrier − kHz
Figure 16. Phase Noise
(RFOUT = 1960 MHz)
PHASE NOISE
vs
FREQUENCY
−40
−50
RMS = 0.98°
PFD = 200 kHz
Loop BW = 20 kHz
−60
−70
−80
−90
−100
−110
−120
−130
−140
100
1k
10k
100k
1M
f − Frequency Offset from 1960 MHz Carrier − Hz
Figure 17. Integrated Phase Noise
(RFOUT = 1960 MHz)
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