Datasheet

L M K 0 4 1 X X - R E V 3 E V A L U A T I O N B O A R D O P E R A T I N G I N S T R U C T I O N S
SNLU099
19
LMK041x1 Phase Noise
Figure 10 - LMK041x1 Phase Noise
The Fout frequency is 1474.56 MHz. The clock out frequency is 737.28 MHz, and the clock out
div 4 frequency is 184.32 MHz. Note that the LVDS performance at 737.28 MHz is degraded
because it is outside of the balun‟s operational bandwidth.
Table 10 - LMK041x1 Phase Noise (dBc/Hz)
Offset
Fout
LVDS
LVPECL
2VPECL
LVCMOS
LVDS
div4
LVPECL
div4
2VPECL
div4
LVCMOS
div4
10 Hz
-58.3
-62.0
-65.4
-66.4
-63.4
-74.8
-76.7
-73.8
-74.6
100 Hz
-88.3
-96.4
-95.9
-96.0
-94.8
-106.7
-107.7
-105.3
-106.7
1 kHz
-110.2
-115.3
-115.7
-115.8
-116.2
-128.3
-128.3
-128.1
-128.3
10 kHz
-116.3
-118.1
-121.2
-121.3
-122.0
-132.8
-134.0
-134.3
-134.7
100 kHz
-119.5
-122.0
-124.7
-124.7
-125.5
-137.7
-137.7
-137.8
-137.9
1 MHz
-131.1
-133.5
-136.2
-136.2
-137.0
-148.5
-148.7
-148.7
-148.9
10 MHz
-155.8
-148.2
-152.3
-152.3
-151.7
-156.9
-157.1
-157.5
-158.3
40 MHz
-164.2
-149.5
-153.5
-153.6
-152.5
-157.5
-157.3
-158.0
-158.8
Table 11 - LMK041x1 RMS Jitter; Integrated to from low limit to 20 MHz (rms fs)
Low
Limit
Fout
LVDS
LVPECL
2VPECL
LVCMOS
LVDS
div4
LVPECL
div4
2VPECL
div4
LVCMOS
div4
10 Hz
506.6
538.4
425.5
458.5
501.9
532.2
445.6
591.0
544.1
100 Hz
117.5
178.3
132.4
131.8
123.1
141.0
138.6
139.1
132.5
1 kHz
111.3
174.2
127.0
126.4
116.2
135.1
133.3
131.4
125.5
10 kHz
108.0
169.5
123.4
122.8
113.0
132.4
130.7
128.7
122.8
100 kHz
92.7
147.7
107.2
106.7
98.7
120.7
119.0
116.8
110.8
1 MHz
36.2
72.9
50.4
50.1
49.1
85.2
83.4
80.3
73.4
LMK040x1 Phase Noise
-170
-160
-150
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
10
100
1000
10000
100000
1000000
1000000
0
1E+08
Offset (Hz)
Fout
LVDS
LVPECL
2VPECL
LVCMOS
LVDS; div4
LVPECL; div4
2VPECL; div4
LVCMOS; div4