Datasheet

0
10
20
30
40
50
60
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2
Vcntl (V)
Input reffered noise (nV Hz)
LNA 12 dB
LNA 18 dB
LNA 24 dB
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0.0 0.1 0.2 0.3 0.4
Vcntl (V)
Input reffered noise (nV Hz)
LNA 12 dB
LNA 18 dB
LNA 24 dB
−170
−168
−166
−164
−162
−160
−158
−156
−154
−152
−150
−148
−146
−144
100 1000 10000 50000
Phase Noise
Frequency Offset (Hz)
Phase Noise (dBc/Hz)
PN 1 Ch
PN 8 Ch
−170
−168
−166
−164
−162
−160
−158
−156
−154
−152
−150
−148
−146
−144
100 1000 10000 50000
Eight Channel CW PN
Offset frequency (Hz)
Phase Noise (dBc/Hz)
16X Clock Mode
8X Clock Mode
4X Clock Mode
−170
−168
−166
−164
−162
−160
−158
−156
−154
−152
−150
−148
−146
−144
100 1000 10000 50000
Single Channel CW PN
Offset frequency (Hz)
Phase Noise (dBc/Hz)
16X Clock Mode
8X Clock Mode
4X Clock Mode
−40
−35
−30
−25
−20
−15
−10
−5
0
5
10 100 500
HPF CHARACTERISTICS (LNA+VCA+PGA+ADC)
Frequency (KHz)
Amplitude (dB)
AFE5808A
SLOS729B –OCTOBER 2011–REVISED APRIL 2012 www.ti.com
TYPICAL CHARACTERISTICS (continued)
Figure 14. Full Channel High-Pass Filter Response at Figure 15. CW Phase Noise, F
IN
= 2MHz
Default Register Setting
Figure 16. CW Phase Noise, F
IN
= 2 MHz, 1 Channel vs. 8 Figure 17. CW Phase Noise vs. Clock Modes, F
IN
= 2 MHz
Channel
Figure 18. IRN, PGA = 24 dB and Low Noise Mode Figure 19. IRN, PGA = 24 dB and Low Noise Mode
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