For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824

Phone: 978-250-3343

Fax: 978-250-3373

Order On-line at www.hittite.com

Application Support: Phone: 978-250-3343 or apps@hittite.com

7

7 - 4

HMC765LP6CE

v03.0411

FRACTIONAL-N PLL WITH

INTEGRATED VCO, 7.8 - 8.8 GHz

SSB Phase Noise vs. Frequency,

Integer Mode

SSB Phase Noise vs. Temperature

@ 8.3 GHz, Integer Mode

SSB Phase noise vs. Reference Freq. &

Loop BW @ 8.3 GHz, Integer Mode

SSB Phase Noise Fractional

Spurs @ 8.302 GHz

Example of Cycle Slip Prevention Hop

from 8.6 to 8.1 GHz

-150

-140

-130

-120

-110

-100

-90

-80

-70

-60

10

2

10

3

10

4

10

5

10

6

10

7

7800 MHz

8300 MHz

8800 MHz

OFFSET FREQUENCY (Hz)

Temp = 25C

Fref = 50 MHz

Loop BW = 100 kHz

-150

-140

-130

-120

-110

-100

-90

-80

-70

-60

10

2

10

3

10

4

10

5

10

6

10

7

Fref = 10MHz

Loop BW= 10kHz

Fref = 50MHz

Loop BW=100kHz

OFFSET FREQUENCY (Hz)

10

2

10

3

10

4

10

5

10

6

10

7

-150

-140

-130

-120

-110

-100

-90

-80

-70

-60

OFFSET FREQUENCY (Hz)

Temp = 25C

Fref = 50MHz

Loop BW = 100kHz

-10

0

10

20

30

40

50

60

70

80

90 100 110 120

8

8.1

8.2

8.3

8.4

8.5

8.6

8.7

TIME (μSEC)

CSP ON

CSP OFF

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-90

-80

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-60

10

2

10

3

10

4

10

5

10

6

10

7

+25C

+85C

-40C

OFFSET FREQUENCY (Hz)

Fref = 50 MHz

Loop BW = 100 kHz

Typical Reference Sensitivity

-50

-40

-30

-20

-10

0

10

20

0

50

100

150

200

250

300

FREQUENCY (MHz)

R = Max, +25C

R = 3, +85C

R = Max, +85C

R = 3, +25C

[1] r refers to the reference path division ratio

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registered trademarks are the property of their respective owners.

For price, delivery, and to place orders: Analog Devices, Inc.,

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106

Phone: 781-329-4700 • Order online at www.analog.com

Application Support: Phone: 1-800-ANALOG-D