HMC832LP6GETR datasheet(11/49 Pages) AD

11 / 49 page

HMC832

Data Sheet

Figure 15. Low Frequency Performance, 100 MHz XTAL, PD Frequency =

50 MHz, Loop Filter Type 3 (See Table 12), Integer Mode, 50 MHz Low-Pass

Filter at the Output of HMC832 for the 25 MHz Curve Only, Charge Pump Set to

Maximum Value

Figure 16. Typical Spurious Emissions at 2000.1 MHz, Tunable Reference,

Loop Filter Type 2 (see Table 12 and the Loop Filter and Frequency Changes

Section)

Figure 17. Open-Loop Phase Noise

Figure 18. Typical Spurious Emissions at 2000.1 MHz, 50 MHz Fixed

Reference, 50 MHz PD Frequency, Integer Boundary Spur Inside the Loop

Filter Bandwidth (See the Loop Filter and Frequency Changes Section)

Figure 19. Typical Spurious vs. Offset from 2 GHz, Fixed 50 MHz Reference vs.

Tunable 47.5 MHz Reference (See the Loop Filter and Frequency Changes

Section)

Figure 20. Open-Loop Phase Noise vs. Frequency at Various Temperatures

–170

–160

–150

–140

–130

–120

OFFSET (Hz)

100

10k

100k

10M

100M

100MHz OUTPUT

55.55MHz OUTPUT

25MHz OUTPUT

–180

–160

–140

–120

–100

–80

–60

OFFSET (Hz)

10k

100k

10M

100M

–180

–160

–140

–120

–100

–80

–40

–60

OFFSET (Hz)

10k

100k

10M

100M

HIGH PERFORMANCE MODE ON

(VCO_REG0x03[1:0] = 3d)

2854MHz

2453MHz

2013MHz

1587MHz

–180

–160

–140

–120

–100

–80

–60

OFFSET (Hz)

10k

100k

10M

100M

–120

–110

–100

–90

–80

–70

–60

OUTPUT FREQUENCY (kHz)

2000.01

2000.1

2001

TYPICAL SPURIOUS VS. OFFSET FROM 2GHz,

TUNABLE REFERENCE ~47.5MHz

TYPICAL SPURIOUS VS. OFFSET FROM 2GHz,

FIXED REFERENCE = 50MHz

–170

–160

–150

–140

–130

–120

–110

–100

1000

100

FREQUENCY (MHz)

300

3000

100kHz OFFSET

ALL MODES

1MHz OFFSET

ALL MODES

100MHz OFFSET

HIGH PERFORMANCE

MODE

100MHz OFFSET

LOW CURRENT MODE

–40°C

+27°C

+85°C

Rev. A | Page 10 of 48

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