HMC525ALC4 Data Sheet
Rev. A | Page 24 of 28
SPURIOUS AND HARMONICS PERFORMANCE
LO Harmonics
LO = 15 dBm, and all values in dBc below input LO level measured
at RF port.
Table 5. LO Harmonics at RF Port
LO Frequency (GHz)
N
LO
Spur at RF Port
1 2 3 4
2.5 60 54 64 66
3.5 48 42 68 91
4.5 43 39 62 88
5.5 42 65 91 75
6.5 43 70 76 80
7.5 47 77 66 92
LO = 15 dBm, and all values in dBc below input LO level measured
at IF port.
Table 6. LO Harmonics at IF Port
LO Frequency (GHz)
LO
1 2 3 4
2.5 24 54 42 59
3.5 20 47 46 82
4.5 20 47 65 91
5.5 22 22 62 73
6.5 30 89 80 104
7.5 34 93 95 117
M × N Spurious Outputs
Downconverter Performance
Mixer spurious products are measured in dBc from the IF output
power level (M × RF − N × LO). N/A means not applicable.
RF = 5.6 GHz, LO = 5.5 GHz, RF power = −10 dBm, and
LO power = 15 dBm.
N × LO
0 1 2 3 4
M × RF
1
+32 0 +39 +48 +66
2
+89 +59 +66 +58 +93
3
+92 +93 +84 +80 +85
4
+85 +91 +93 +94 +99
RF = 7.4 GHz, LO = 7.5 GHz, RF power = −10 dBm, and
LO power = 15 dBm.
N × LO
0 1 2 3 4
M × RF
0
0 −12 +32 +29 +40
1
+32 0 +45 +48 +59
2
+84 +55 +72 +56 +92
4
+76 +56 +87 +90 +93
Upconverter Performance
Mixer spurious products are measured in dBc from the RF output
power level (M × IF
IN
+ N × LO). N/A means not applicable.
IF
IN
= 0.1 GHz, LO = 5.5 GHz, RF power = −10 dBm, and
LO power = 15 dBm.
N × LO
0 1 2 3 4
M × IF
IN
−5
99 95 96 92 92
−4
100 85 91 92 91
−2
95 48 62 68 56
−1
80 0 32 45 51
+0
N/A 9.4 27 28 15
+1
80 0 32 43 51
+2
96 48 66 68 55
+3
100 55 76 85 88
+4
100 84 94 94 90
+5
98 96 94 90 90
IF
IN
= 0.1 GHz, LO = 7.5 GHz, RF power = −10 dBm, and
LO power = 15 dBm.
N × LO
M × IF
IN
−5
102 95 95 92 81
−4
101 87 94 90 81
−3
101 61 82 78 83
−2
100 50 74 67 60
−1
79 0 41 30 55
0
N/A 12 44 26 17
+1
79 0 44 28 54
+2
102 49 74 65 60
+3
102 58 85 81 83
+4
100 87 95 89 82