参数资料
型号: TRF3750IRGPR
厂商: TEXAS INSTRUMENTS INC
元件分类: PLL合成/DDS/VCOs
英文描述: PLL FREQUENCY SYNTHESIZER, 2400 MHz, PQCC20
封装: 4 X 4 MM, GREEN, PLASTIC, QFN-20
文件页数: 3/37页
文件大小: 860K
代理商: TRF3750IRGPR
TRF3750
SLWS146B MARCH 2004 REVISED AUGUST 2007
www.ti.com
11
TYPICAL CHARACTERISTICS
100
1k
10k
1M
100k
RMS = 0.95°
140
130
120
110
100
90
80
70
60
50
40
Figure 14. Phase Noise
(RFOUT = 1750 MHz)
Phase
Noise
dBc/Hz
PHASE NOISE
vs
FREQUENCY
f Frequency Offset from 1750 MHz Carrier Hz
RMS = 0.95°
PFD = 200 kHz
Loop BW = 20 kHz
f Frequency Offset from 1960 MHz Carrier kHz
120
110
100
90
80
70
60
50
40
30
20
10
0
500400300200100 0
100 200 300 400 500
AVDD = DVDD = 3.3 V
ICP = 5 mA
Res. Bandwidth = 1 kHz
Video Bandwidth = 1 kHz
Average = 30
PFD = 200 kHz
Loop BW = 20 kHz
P
O
Output
Power
dBc
OUTPUT POWER
vs
FREQUENCY
92 dBc
Reference Level = 6.9 dBm
Figure 15. Reference Spurs
(RFOUT = 1960 MHz)
f Frequency Offset from 1960 MHz Carrier kHz
100
90
80
70
60
50
40
30
20
10
0
2.5 2.0 1.5 1.0 0.5 0.0 0.5 1.0 1.5 2.0 2.5
AVDD = DVDD = 3.3 V
ICP = 5 mA
Res. Bandwidth = 1 Hz
Video Bandwidth = 1 Hz
Average = 30
PFD = 200 kHz
Loop BW = 20 kHz
P
O
Output
Power
dBc
OUTPUT POWER
vs
FREQUENCY
84 dBc/Hz
Reference Level = 6.7 dBm
Figure 16. Phase Noise
(RFOUT = 1960 MHz)
140
130
120
110
100
90
80
70
60
50
40
Phase
Noise
dBc/Hz
PHASE NOISE
vs
FREQUENCY
100
1k
10k
1M
100k
f Frequency Offset from 1960 MHz Carrier Hz
Figure 17. Integrated Phase Noise
(RFOUT = 1960 MHz)
RMS = 0.98°
PFD = 200 kHz
Loop BW = 20 kHz
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