ADMV4420ACPZ-R2 datasheet(34/61 Pages) AD

34 / 61 page

ADMV4420

Data Sheet

Rev. A | Page 34 of 61

PHASE NOISE PERFORMANCE

–40

–50

–60

–70

–80

–90

–100

–120

–110

–130

–140

+85°C

+25°C

–40°C

100

10M

100k

10k

OFFSET FREQUENCY (Hz)

Figure 112. Closed-Loop Phase Noise vs. Offset Frequency at Various

Temperatures, IF = 900 MHz, Low-Side Injection LO = 18.95 GHz

100

10M

100k

10k

–40

–50

–60

–70

–80

–90

–100

–120

–110

–130

–140

+85°C

+25°C

–40°C

OFFSET FREQUENCY (Hz)

Figure 113. Closed-Loop Phase Noise vs. Offset Frequency at Various

Temperatures, IF = 900 MHz, High-Side Injection LO = 18.95 GHz

100

10M

100k

10k

–40

–50

–60

–70

–80

–90

–100

–120

–110

–130

–140

LO = 16.75GHz LOW-SIDE INJECTION

LO = 18.95GHz HIGH-SIDE INJECTION

LO = 18.95GHz LOW-SIDE INJECTION

LO = 21.15GHz HIGH-SIDE INJECTION

OFFSET FREQUENCY (Hz)

Figure 114. Closed-Loop Phase Noise vs. Offset Frequency at Various LO

Frequencies, TA = 25°C GHz

–40

–60

–20

–80

–100

–120

–140

8375MHz

8805MHz

9270MHz

9720MHz

10570MHz

10740MHz

100

10M

100k

10k

OFFSET FREQUENCY (Hz)

Figure 115. Free Running Phase Noise vs. Offset Frequency at Various

VCO Frequencies, TA = 25°C

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