HMC774ALC3BTR-R5 datasheet(23/27 Pages) AD

23 / 27 page

Data Sheet

HMC774ALC3B

Rev. A | Page 23 of 27

SPURIOUS PERFORMANCE

LO Harmonics

When measuring the LO harmonics, the 15 dBm LO input

power is applied at various LO frequencies.

All values are in decibels below the LO power level measured at

the RF port. N/A means not applicable.

Table 6. LO Frequency vs. N × LO Spur at RF Port

N × LO Spur at RF Port

LO Frequency (GHz)

N/A

All values are in decibels below the LO power level measured at

the IF port. N/A means not applicable.

Table 7. LO Frequency vs. N × LO Spur at IF Port

N × LO Spur at IF Port

LO Frequency (GHz)

113

100

118

110

N/A

M × N Spurious Outputs

Mixer spurious products are measured in decibels from either

below the RF or the IF output power level. N/A means not

applicable.

RF = 17.5 GHz at −10 dBm, and LO = 18 GHz at +15 dBm are

applied. Spur values are (M × RF) − (N × LO).

N × LO

M × RF

N/A

IF = 0.5 GHz at −10 dBm, and LO = 18 GHz at +15 dBm are

applied. Spur values are (M × IF) + (N × LO).

N × LO

M × IF

−4

N/A

−3

N/A

−2

N/A

−1

N/A

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