7 - 7

7

HMC837LP6CE

v00.1210

FRACTIONAL-N PLL WITH INTEGRATED VCO

1025 - 1150, 2050 - 2300, 4100 - 4600 MHz

For price, delivery, and to place orders, please contact Hittite Microwave Corporation:

20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373

Order On-line at www.hittite.com

Free Running VCO Phase Noise

Over Temperature

Typical VCO Tuning Voltage After

Calibration

Closed Loop Integer Phase Noise

[1] RMS Jitter data are measured from 10KHz to 100MHz bandwidth.

-180

-160

-140

-120

-100

-80

-60

-40

-20

10

2

10

3

10

4

10

5

10

6

10

7

10

8

1095 MHz FF

2190 MHz FF

4380 MHz FF

OFFSET FREQUENCY (Hz)

-170

-160

-150

-140

-130

-120

-110

+27C

+85C

-40C

2050

2100

2150

2200

2250

2300

FREQUENCY (MHz)

1 MHz Offset

100 kHz Offset

10 MHz Offset

Typical Closed Loop Fractional Phase

Typical Tuning Curves vs. Switch Position

Free Running Phase Noise

-180

-160

-140

-120

-100

50MHz PFD 78KHz BW 177 fsec

50MHz PFD 142KHz BW 106 fsec

100MHz PFD 93KHz BW 132 fsec

100MHz PFD 176KHz BW 87 fsec

10

3

10

4

10

5

10

6

10

7

10

8

OFFSET FREQUENCY (Hz)

-180

-160

-140

-120

-100

50MHz PFD 78KHz BW 171 fsec

50MHz PFD 142KHz BW 114 fsec

100MHz PFD 93KHz BW 128 fsec

100MHz PFD 176KHz BW 92 fsec

10

3

10

4

10

5

10

6

10

7

10

8

OFFSET FREQUENCY (Hz)

900

950

1000

1050

1100

0

1

2

3

4

5

TUNING VOLTAGE (V)

n0

n2

n4

n6

n8

n10

n12

n14

n16

n18

n20

n22

n24

n26

n31

fmax

fmin

fmax

n30

n28

0

1

2

3

4

5

VCO FREQUENCY

0

15

31

fmin

fmax

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