7 - 2

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

General Description

The HMC837LP6CE is a fully functioned Fractional-N Phase-Locked-Loop (PLL) Frequency Synthesizer with an

Integrated Voltage Controlled Oscillator (VCO). The synthesizer consists of an integrated low noise VCO with a tri-

band output, an autocalibration subsystem for low voltage VCO tuning, a very low noise digital Phase Detector (PD),

a precision controlled charge pump, a low noise reference path divider and a fractional divider.

The fractional synthesizer features an advanced delta-sigma modulator design that allows both ultra-fine step sizes

and low spurious products. The phase detector (PD) features cycle slip prevention (CSP) technology to allow faster

frequency hopping times. Ultra low in-close phase noise and low spurious also allows wider loop bandwidths for faster

frequency hopping and low micro-phonics.

view the Operating Guide, please visit www.hittite.com and choose HMC837LP6CE from the “Search by Part

Number” pull down menu.

Parameter

Condition

Min.

Typ.

Max.

Units

RF Output Characteristics

VCO Frequency at PLL Input

2050

2300

MHz

1025

1150

MHz

2050

2300

MHz

4100

4600

MHz

Output Power

matched at the frequency of

interest, vs temperature

11

12

13

dBm

9

10.5

12

dBm

-3

-0.5

2

dBm

VCO Tuning Sensitivity

Measured at fo, 2V

9.7

12.4

16.5

MHz/V

VCO Supply Pushing

Measured at fo, 2V

1

MHz/V

Harmonics

RF Output Fout/2 Harmonic

Doubler Mode

-26

dBc

RF Output 3 Fout/2 Harmonic

Doubler Mode

-47

dBc

RF Output 2nd Harmonic

fo/2/fo/2fo

-26 / -21 / -46

dBc

RF Output 5 Fout/2 Harmonic

Doubler Mode

-55

dBc

RF Output 3rd Harmonic

fo/2/fo/2fo

-26 / -34/ -44

dBc

RF Output 7 Fout/2 Harmonic

Doubler Mode

-61

dBc

RF Output 4th Harmonic

fo/2/fo/2fo

-25/ -52 / -61

dBc

RF Divider Characteristics

19-Bit N-Divider Range (Integer)

524,287

19-Bit N-Divider Range (Fractional)

Fractional nominal divide ratio

varies (-3 / +4) dynamically max

524,283

REF Input Characteristics

Max Ref Input Frequency

50

200

MHz

Ref Input Range

AC Coupled

1

2

3.3

Vp-p

Ref Input Capacitance

5

pF

14-Bit R-Divider Range

1

16,383

Electrical Specifications

VPPCP, VDDCP, VCC1, VCC2 = 5V; RVDD, AVDD, DVDD3V, VCCPD, VCCHF, VCCPS = 3.3V

GNDCP = GNDLS = Ground Paddle = 0V, Min and Max Specified across Temp

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