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Hittite Microwave Corporation
Hittite Microwave Corporation

HMC765LP6CE Datasheet Preview

HMC765LP6CE Datasheet

FRACTIONAL-N SYNTHESIZER

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HMC765LP6CE pdf
v00.0609
HMC765LP6CE
www.DataSheet4U.com
FRACTIONAL-N SYNTHESIZER WITH
INTEGRATED VCO, 7.8 - 8.8 GHz
12
Features
• RF Bandwidth: 7.8 GHz to 8.8 GHz
• Fractional or Integer Modes
• Ultra Low Phase Noise
8.3 GHz; 50 MHz Ref.
-97 / -101 dBc/Hz @ 10 kHz (Frac / Int)
-140 dBc/Hz @ 1 MHz (Open Loop)
• Figure of Merit (FOM)
-221 / -226 dBc/Hz (Frac / Int)
Typical Applications
• VSAT Radio
• Point-to-Point / Multi-Point Radio
• Test Equipment & Industrial Control
Functional Diagram
• 24 bit Step Size, Resolution 3 Hz typ
• 225 MHz, 14-bit reference path input
• Direct FSK Modulation Mode
• Cycle Slip Prevention
• Read / Write Serial Port, Chip ID
• 40 Lead 6x6mm SMT Package: 36mm2
• Military End-Use
• Phased Array Applications
12 - 16
[1] Please refer to the pin description table for details
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



Hittite Microwave Corporation
Hittite Microwave Corporation

HMC765LP6CE Datasheet Preview

HMC765LP6CE Datasheet

FRACTIONAL-N SYNTHESIZER

No Preview Available !

HMC765LP6CE pdf
v00.0609
HMC765LP6CE
www.DataSheet4U.com
FRACTIONAL-N SYNTHESIZER WITH
INTEGRATED VCO, 7.8 - 8.8 GHz
General Description
The HMC765LP6CE is a fully functioned Fractional-N Phase-Locked-Loop (PLL) Frequency Synthesizer with an
Integrated Voltage Controlled Oscillator (VCO). The input reference frequency range is 100 kHz to 220 MHz while the
advanced delta-sigma modulator design in the fractional synthesizer allows both ultra-fine step sizes and very low
spurious products. The highly integrated structure provides excellent phase noise performance over temperature,
shock and process. The HMC765LP6CE is packaged in a leadless QFN 6x6 mm surface mount package. The output
power is 13 dBm typical, making the HMC765LP6CE ideal for driving the LO port of many of Hittite’s Hi Linearity and
I/Q mixer products.
For theory of operation and register map refer to the “PLLs w/ Integrated VCO - Microwave VCOs” Operating Guide.
To view the Operating Guide, please visit www.hittite.com and choose HMC765LP6CE from the “Search by Part
Number” pull down menu.
Electrical Specifications, TA = +25° C; VCCVCO, VDDCP, VCCCP = +5V; AVCC, VCCPS
VDDPFD, AVDD, RVDD, DVDD, DVDDM, DVDDQ, VDDIO = +3.3V; AGND = DGND = 0V
Parameter
Condition
RF Output Characteristics
VCO Output Frequency Range
VCO Output Power
VCO Tuning Voltage
VCO Tuning Sensitivity
Frequency Pulling (into a 2:1 VSWR)
V = +5V
TUNE
Frequency Pushing
Frequency Drift Rate
VTUNE = +5V
Sub Harmonic (1/2)
Harmonic (2nd)
Harmonic (3rd)
VCO SSB Phase Noise @ 100 kHz Offset (Open Loop)
V = +5V
TUNE
Fvco = 8.3 GHz
Synthesizer In-Band
SSB Phase Noise @ 10 kHz Offset (Frac/Int)
Fref = 50 MHz Fvco = 8.3 GHz
Loop BW = 100 kHz
Synthesizer Normalized In-Band
SSB Phase Noise Floor (Frac/Int)
Synthesizer Fractional Spurs [1]
Synthesizer Frequency Settling Time (100 MHz Step)
16-Bit Divider Range (Int)
16-Bit Divider Range (Frac)
From 8.3 GHz to 8.4 GHz
Loop BW = 100 kHz
N Divider Ratio 216+31
N Divider Ratio 216-1
REF Input Characteristics
Max Ref Input Frequency (3.3V)
Min Ref Input Frequency
Min.
7.8
10
2
32
36
200
Typ.
Max.
Units
8.3
150
5
10
0.9
35
10
32
-115
-97 / -101
-221 / -226
-65
110
8.8 GHz
15 dBm
13 V
MHz/V
MHz pp
MHz/V
MHz/ °C
dBc
dBc
dBc
dBc/Hz
dBc/Hz
65567
65535
dBc/Hz
dBc
us
225 MHz
100 200 kHz
Ref Input Sensitivity
Max Ref Input
Ref Input Capacitance
14-Bit Ref Divider Range
AC Coupled
DC Coupled
500 700 mVpp
0
VDDIO
V
5 pF
16383
1
[1] Actual spur level is dependent on loop parameters and will increase at division ratios closest to integer boundaries. Number listed is average
value.
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
12
12 - 17


Part Number HMC765LP6CE
Description FRACTIONAL-N SYNTHESIZER
Maker Hittite Microwave Corporation
Total Page 14 Pages
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HMC765LP6CE pdf
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