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LOW LEVEL AND GAIN MEASUREMENTS
8-14 37xxxE OM
1 0 0 . 0
1 0 . 0
1 . 0
. 1
. 0 1
. 0 0 1
. 0 0 0 1
0 1 0 2 0 3 0 4 0
5 0
6 0
M A X I M U M
U N C E R T A I N T Y
( d B m )
S I G N A L / N O I S E R A T I O
( d B )
M A X U N C E R T A I N T Y F O R M A G N I T U D E
A S A F U N C T I O N O F S / N R A T I O
Figure 8-9. The Effect of S/N Ratio On Magnitude Measurements (Noise
Only)
1 0 0 . 0
. 1
0 1 0 2 0 3 0 4 0
5 0
6 0
S I G N A L / N O I S E R A T I O
( d B )
1 0 . 0
1 . 0
M A X I M U M
U N C E R T A I N T Y
( D E G R E E S )
M A X U N C E R T A I N T Y F O R P H A S E
A S A F U N C T I O N O F S / N R A T I O
Figure 8-10. The Effect of S/N Ratio On Phase Measurements (Noise Only)