Data Sheet HMC554ALC3B
Rev. 0 | Page 23 of 26
SPURIOUS AND HARMONICS PERFORMANCE
Mixer spurious products are measured in dBc from the IF output
power level. N/A means not applicable.
LO Harmonics
LO = 13 dBm, all values in dBc below input LO level and
measured at RF port.
Table 5. LO Harmonics at RF
N × LO Spur at RF Port
LO Frequency (GHz) 1 2 3 4
12 39 39 59 57
13 38 40 70 N/A
15 38 48 49 N/A
16 37 56 50 N/A
18 36 54 N/A N/A
19 36 53 N/A N/A
21 36 46 N/A N/A
LO = 13 dBm, all values in dBc below input LO level and
measured at IF port.
Table 6. LO Harmonics at IF
N × LO Spur at IF Port
LO Frequency (GHz) 1 2 3 4
13 41 63 74 N/A
15 44 72 56 N/A
16 42 53 56 N/A
18 44 79 N/A N/A
19 53 70 N/A N/A
M × N Spurious Outputs
Downconverter, Upper Sideband
Spur values are (M × RF) − (N × LO).
RF = 15.1 GHz at −10 dBm, LO = 15 GHz at 13 dBm.
N × LO
0 1 2 3 4 5
M × RF
0
N/A 14 47 27 N/A N/A
1
48 0 70 72 65 N/A
2
75 77 60 79 74 68
4
N/A 60 74 80 88 78
5
N/A N/A 56 72 81 88
Upconverter, Upper Sideband
Spur values are (M × IF) + (N × LO).
IF
IN
= 100 MHz at −10 dBm, LO = 15 GHz at 13 dBm.
N × LO
0 1 2 3
M × IF
−5
89 80 73 67
−4
88 79 73 68
−3
91 66 74 66
−2
91 67 74 66
−1
36 0 35 20
0
N/A 6 17 22
+1
36 0 35 19
+2
88 63 73 65
+3
90 63 74 66
+4
90 80 73 65
+5
88 78 72 66
