ADMFM2000ABVZ datasheet(20/28 Pages) AD

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Data Sheet

ADMFM2000

TYPICAL PERFORMANCE CHARACTERISTICS

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Rev. 0 | 20 of 28

SPURIOUS PERFORMANCE

Mixer spurious products are measured in dB from the IF output

power level. Spurious values are (N × LO) – (M × RF). N/A means

not applicable.

M × N Spurious Outputs, IF = 1 GHz

RF input frequency = 10 GHz, RF input power at mixer input = −20

dBm, LO frequency = 11 GHz, and the LO input power = 6 dBm.

M × N spurs other than the RF input and LO input signal at the IF

output are more than 51 dB down from the main IF output at 1 GHz.

Over 8 GHz, spurs are rejected significantly by the low-pass filter

(LPF) on the signal path.

Table 6. M x N Spurious at Mixer Mode1

N × LO

M × RF

0 N/A

−10.1

+57.4

+69.2

+70.5

N/A

1 +3.8

0.0

+51.2

+87.0

+83.8

+94.4

2 +87.6

+61.6

+56.7

+100.2 +108.6 +104.7

3 +108.9 +111.6 +95.6

+109.0 +114.0 +110.5

4 +105.5 +108.6 +112.6 +117.9 +100.9 +114.0

5 +102.5 +103.9 +112.2 +112.2 +107.5 +114.7

1 Level (dB) refers to an IF output = −26 dBm at 1 GHz.

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