Datasheet

−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)
−30
−27
−24
−21
−18
−15
−12
−9
−6
−3
0
3
10 100 500
LNA INPUT HPF CHARACTERISTICS
Frequency (KHz)
Amplitude (dB)
01
00
11
10
−30
−25
−20
−15
−10
−5
0
5
0 10 20 30 40 50 60
Frequency (MHz)
Amplitude (dB)
10MHz
15MHz
20MHz
30MHz
AFE5808
www.ti.com SLOS688C –SEPTEMBER 2010–REVISED APRIL 2012
TYPICAL CHARACTERISTICS (continued)
Figure 12. Low-Pass Filter Response Figure 13. LNA High-Pass Filter Response vs. Reg59[3:2]
Figure 14. Full Channel High-Pass Filter Response at Figure 15. CW Phase Noise, Fin = 2MHz
Default Register Setting
Figure 16. CW Phase Noise, Fin = 2MHz, 1 Channel vs. 8 Figure 17. CW Phase Noise vs. Clock Modes, Fin = 2MHz
Channel
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