Data Sheet

HMC6832

Rev. C | Page 15 of 23

–180

–170

–160

–150

–140

–130

–120

–110

–100

–90

1k

10k

100k

1M

10M

100M

FREQUENCY OFFSET (Hz)

HMC830

SINGLE–ENDED

DIFFERENTIAL

Figure 22. Phase Noise Performance at 2 GHz, 2.5 V Supply, HMC830 Used as

Signal Source; Driving 9 dBm Single-Ended Through Balun

–160

–150

–140

–130

–120

–110

–100

–90

1k

10k

100k

1M

10M

100M

FREQUENCY OFFSET (Hz)

REFERENCE PHASE NOISE

REFERENCE + HMC6832 PHASE NOISE

Figure 23. Phase Noise Performance at 2 GHz, Agilent E8257D (UNY Option)

Used as Signal Source, 0 dBm Single-Ended Input Signal, Single-Ended

Output, Depicts Residual Phase Noise Much Better than Reference Source

–125

–120

100

1k

10k

100k

1M

FREQUENCY OFFSET (Hz)

–130

–135

–140

–145

–150

–155

–160

–165

–170

–175

–180

SINGLE-ENDED LVPECL

DIFFERENTIAL LVDS

Figure 24. Additive Phase Noise at 2 GHz, 0 dBm Single-Ended Input Signal,

Differential LVDS Output and Single-Ended LVPECL Output

–170

–168

–166

–164

–162

–160

–158

–156

–154

0

2

4

6

8

10

12

14

16

SLEW RATE (V/ns)

3000MHz LVPECL

3000MHz LVDS

2000MHz LVPECL

2000MHz LVDS

1000MHz LVPECL

1000MHz LVDS

100MHz LVPECL

100MHz LVDS

Figure 25. Phase Noise Floor vs. Slew Rate for Carrier Frequencies and Output

–166

–165

–164

–163

–162

–161

–160

–159

–158

–157

–15

–10

–5

0

5

10

15

INPUT POWER (dBm)

LVDS

LVPECL

Figure 26. Phase Noise Floor at 1.6 GHz vs. Input Power,

0

500

1000

1500

2000

2500

3000

SINUSOIDAL INPUT FREQUENCY (MHz)

LVPECL

LVDS

–260

–258

–256

–254

–252

–250

–248

–246

–244

–242

Figure 27. Phase Noise Performance with Low Frequency Sinusoidal Inputs,