Power Matters.TM Frequency References & Oscillators Paul R. Gerry Senior Product Manager, Clocks BU Paul.Gerry@microsemi.com © 2014 Microsemi Corporation. COMPANY PROPRIETARY 1 Agenda Frequency & Time Atomic Clock Technology Components Clock Portfolio • Miniature Atomic Clock (MAC) • Chip Scale Atomic Clock (CSAC) • Low Noise CSAC (LN CSAC) Microsemi Systems Clocks Portfolio • Cesium Technology and Products • Rubidium Clocks • Masers © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 2 What is Frequency Frequency = the number of cycles per second Ideal frequency source generates a pure, repeatable sine wave © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 3 What is Frequency Stability & Accuracy Courtesy John Vig © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 4 Atomic Clock Technologies Rubidium Gas Cell: 6,834,682,610.904 Hz Cesium Beam: 9,192,631,770 Hz Hydrogen Maser: 1,420,405,751.768 Hz Fountains use cesium, rubidium Stored Ions use mercury, ytterbium Optical Clocks use mercury, calcium The resonant frequency of atoms does not age… the apparatus to interrogate or confine atoms can in some atomic clocks © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 5 Atomic (Passive) Clock Basics Synthesizer Atoms Detector RF Output Oscillator Servo Divider Clock Output Stimulate an energy state change in the atoms Detect when resonant frequency is achieved Servo the oscillator to maintain optimal performance © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 6 Component Clocks © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 7 Microsemi Component Clocks Portfolio Rubidium Clocks GPSDO’s CSAC Industry Leader in atomic clock technology © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 8 Component Clocks Positioning Spec\Type XPRO HighPerformance Rubidium SA.22C Precision Rubidium Oscillator SA.35m Miniature Atomic Clock Quantum™ Chip Scale Atomic Clock (CSAC) Dimensions (cm) 12.7 x 9.2 x 3.9 7.82 x 11.2 x 2.31 5.1 x 5.1 x 1.8 1.6 x 1.39 x 0.45 Volume 456 cm3 203 cm3 < 47 cm3 < 17 cm3 Power @25° C 13 W 10 W 5W <120 mW ADEV @ 1 sec < 1E-11 <3E-11 <3E-11 <2.5E-10 Differentiator Highest Performance Legacy Telecom Performance Good SWaP Best SWaP Microsemi’s atomic clocks meet a variety of application needs © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 9 Performance Versus Power & Size Monthly Aging Rate ≤1E-11 < 1E-11 Product XPRO ≤3E-11 ≤2.5E-10 5E-11 1E-10 Performance ≤3E-11 SA.22c SA.3Xm 3E-10 CSAC Power Consumption, Size 1-Sec ADEV Power @25°C Volume 13 W 456 cm3 10 W 203 cm3 5W 47 cm3 120 mW 17 cm3 © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 10 QuantumTM MAC Product Overview © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 11 The QUANTUM™ Miniature Atomic Clock (MAC) The QUANTUM™ SA.3Xm Miniature Atomic Clocks bring the accuracy and stability of an atomic clock with all the benefits of Size, Weight and Power. Key Specifications • ±5.0E-11 accuracy at shipment • <1.0E-10 month aging rate • 5 W Power Consumption • 47 cc in Volume © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 12 The QUANTUM™ Miniature Atomic Clock (MAC) SA.3Xm Miniature Atomic Clock (MAC) is the world’s first commercial Coherent Population Trapping atomic clock Cost effective and easily adaptable to a wide variety of timing and synchronization applications. Three versions to address a wide range of performance and price points – SA.31m, SA.33m, SA.35m • Small Size Similar size to an OCXO – Compact design 51 x 51 x 18 mm (2.0 x 2.0 x 0.7 in) • Low Weight – Less that 85 g (3 oz) • Low Power - Lower power consumption than traditional Rb clocks – 5 W @ 25°C(14 W max during warm-up) © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 13 The QUANTUM™ Miniature Atomic Clock (MAC) Competitive performance: • Wide operating temperature range • Superior temperature coefficient. • ONLY Rb clock with laser-based (not lamp-based) source; so no frequency “hops & pops” associated with lamp-based clocks © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 14 Microsemi MAC Clock Comparison Product SA.35m Size (volume) (1Hz / 10Hz / 100Hz / 1kHz / 10kHz) Aging (monthly) SA.31m 46cm3 / 2.8in3 Power @25°C Phase Noise SA.33m 5W <-70 dBc/Hz <-87 dBc/Hz <-114 dBc/Hz <-130 dBc/Hz <-140 dBc/Hz <-70 dBc/Hz <-87 dBc/Hz <-114 dBc/Hz <-130 dBc/Hz <-140 dBc/Hz <-65 dBc/Hz <-85 dBc/Hz <-112 dBc/Hz <-130 dBc/Hz <-140 dBc/Hz <±1.0E-10 <±1.0E-10 <±3.0E-10 <1E-10 <1.5E-10 <1E-9 TempCo (-10C - 75C) Allan deviation (t=1s, 10s, 100s) <3E-11 <1.6E-11 <8E-12 <3E-11 <1.6E-11 <8E-12 © 2014 Microsemi Corporation. COMPANY PROPRIETARY <5E-11 <2.5E-11 <1E-11 Power Matters.TM 15 MAC Applications © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 16 Target Applications & Markets Market Precision Frequency Reference Hold-over Key Application(s) Mobile Infrastructure X X 1 – 1.5 uS/24 hr holdover Wired Communications X X Holdover/Internal reference Military/Defense X X Holdover/Internal reference Aerospace X Internal reference Research/Medical X Internal reference Instrumentation & Timing X Internal reference MACs Synchronize things with no physical connections including applications such as • Providing Longer holdover - such as when base station loses its connection to a timing signal • Providing precise frequency as free running frequency source – such as 10 MHz reference for test and measurement equipment © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 17 MAC Technology Overview © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 22 MAC – Technology Overview The MAC uses Coherent Population Trapping (CPT) Coherent Population Jinquan Deng, Peter Vlitas, Dwayne Taylor, Larry Perletz, and Robert Lutwak, "A COMMERCIAL CPT RUBIDIUM CLOCK“ EFTF 2008 Toulouse, France. Trapping (CPT) interrogation of Rubidium Laser diode (VCSEL) modulated to achieve CPT resonance Photodiode detects the CPT resonance 10 MHz VCXO synthesizes 3.4 GHZ microwaves Microwave frequency is locked to CPT resonance signal stabilizing the output to 10 MHZ © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 23 MAC Assembly – Full Exploded View Cover Assembly Shield 1 2 Spacer Resonator Assembly Rubidium Cell Assembly Electronics PCBA Shield 1 Resonator Assembly 2 Laser Block Assembly Laser Block Assembly Baseplate I/O Pins © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 24 CPT versus Lamp-based Simplified Lamp Based Rubidium Clock Model Simplified CPT Based Rubidium Clock Model © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 25 MAC Developers Kit 10 MHz CMOS Output Analog Tuning Input 15 VDC Power Input 10 MHz Sine Output RS232 Connector Lock Indicator Power On Indicator © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 26 Microsemi’s Rubidium Clock Lineup XPRO Traditional lamp-based Rubidium atomic clock Our highest-performance clock SA.22c • Traditional lamp-based Rubidium atomic clock • Legacy clock aimed at telecom applications. • Not recommended for new applications, as will eventually be replaced by MAC enhancements. © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 28 QuantumTM CSAC Product Overview © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 29 Today’s CSAC Product Lineup SA.45s Chip Scale Atomic Clock • The smallest, lowest-power atomic clock on earth. • Key specs: – < 120 mW power consumption – < 17 cc in volume LN CSAC • Combines the accuracy of the chip scale atomic clock with the spectral purity of an OCXO in a compact size requiring low input power • Key specs: • < 250 mW power consumption • < 47 cc in volume • -87 dBc/Hz @ 1 Hz phase noise © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 30 The QUANTUM™ Chip Scale Atomic Clock (CSAC) The QUANTUM™ SA.45s Chip Scale Atomic Clock brings the accuracy and stability of an atomic clock with all the benefits of Size, Weight and Power. Key Specifications • ±5.0 x 10-11 accuracy at shipment • <3.0x 10-10/month aging rate • <120 mW Power Consumption • <17 cc in Volume © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 31 CSAC Work Technology Overview © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 32 Miniaturizing the Physics Package US Patent #7215213 Tensioned polyimide suspension Microfabricated silicon vapor cell Low-power Vertical-Cavity Surface Emitting Laser (VCSEL) Vacuum-packaged to eliminate convection/conduction with an overall demonstrated thermal resistance of 4000° C/W Entire physics package can operate on 15 mW@25° C © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 33 How the CSAC is Made Suspensions • Spin-on polyimide over Silicon • Photodefine polyimide and lift-off • Metallization on polyimide • Backside etch to release Resonance Cell • DRIE holes in silicon • Load cesium and buffer gas • Anodic bond windows Stack-up • Bond VCSEL/Photodiode to suspensions • Stack up and epoxy on pick-and-place machine Vacuum Seal • Bake-out and activate getter in lid before braze © 2014 Microsemi Corporation. COMPANY PROPRIETARY Lid Photodiode Upper Suspension Resonance Cell Cell Spacer Frame Spacer Lower Suspension VCSEL LCC Power Matters.TM 34 CSAC Developer’s Kit Evaluation Board 3.3 VDC Power-On Indicator Replaceable Fuse Lock Indicator Analog Tuning Input BITE 10 MHz Output 1 PPS Output 1 PPS Input Power Switch 5 VDC Power Input © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 36 CSAC Developer’s Kit - Details Kit contents • Evaluation board with socket for CSAC* • Mounting hardware to hold evaluation board • Wall socket power supply to provide power to evaluation board • RS-232 cable to connect PC to evaluation board • CD-ROM with User’s Guide, sample software to control the CSAC Microsemi Ordering P/N 990-00123-000 * CSAC unit not included as part of kit © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 37 The QUANTUM™ Low Noise Chip Scale Atomic Clock (LN CSAC) The QUANTUM™ Low Noise Chip Scale Atomic Clock brings the accuracy and stability of an atomic clock with all the benefits of Size, Weight and Power. Key Specifications • ±5.0 x 10-11 accuracy at shipment • <3.0x 10-10/month aging rate • <250mW Power Consumption • <47 cc in Volume • <-87 dBc/Hz @ 1 Hz © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 38 CSAC vs LN CSAC Product CSAC LN CSAC Size (volume) 40.6 x 35.3 x 11.3 mm ( <17 cc) 51 x 51 x 18 mm (47 cc ) Power @25°C (Warm-up) 120mW (140 mW) 250mW (775mW) <-50 dBc/Hz <-70 dBc/Hz <-113 dBc/Hz <-128 dBc/Hz <-135dBc/Hz <-87 dBc/Hz <-120 dBc/Hz <-140 dBc/Hz <-145 dBc/Hz <-150 dBc/Hz Aging (monthly) +3E-10 +3E-10 TempCo +5E-10 +5E-10 Allan deviation (t=1s, 10s, 100s, 2.5E-10 8E-11 2.5E-11 8E-12 2E-11 5E-11 2E-11 8E-12 Output 3.3V CMOS 10 MHz Sine Supply Voltage 3.3 V +0.1 3.3 V +0.1 Phase Noise 1Hz 10Hz 100Hz 1kHz 10kHz 1000s) © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 39 LN CSAC Developer’s Kit Power LED Replaceable Fuse LN CSAC Not Used Power Switch RS232 10 MHz Sine Output Lock BITE LED 1 PPS Output Lock BITE 1 PPS In © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 40 LN CSAC Developer’s Kit - Details Kit contents The Developer’s Kit includes: Description Part Number Evaluation Board 089-00794-000 Power Adapter 140-00041-000 RS232 Cable 060-00322-000 Introduction Doc 689-02461-000 Microsemi Ordering P/N 990-00565-000 * CSAC unit not included as part of kit © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 41 Applications that benefit from the QUANTUM SA.45s CSAC © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 43 What Applications Benefit from the CSAC? Application performance needs • Precise time for synchronization without direct connection • Ability to hold precise time in absence of GPS • Minimize Size, Weight, and Power (SWaP) CSAC fulfills all of the above needs Example Applications that benefit from CSAC : • Portable “man-pack” equipment for the military • Underground or underwater distributed geophysical sensors • Enhanced Military GPS Receiver • IED Dismounted Jammers • Tactical UAVs © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 44 CSAC Opportunities Dismounted Military Radios (Backpack) Use TCXO’s, OCXO’s today • Sometimes too much drift for GPS-denied scenarios • Problem will get worse with new, higherbandwidth waveforms • Excellent fit for SA.45s CSAC as these new waveforms get rolled out Enhanced Military GPS Receivers • • • • • Direct Y Acquisition after extended outage 3 SV navigation GPS Tracking loop improvements A/J Improvements CSAC Calibration © 2014 Microsemi Corporation. COMPANY PROPRIETARY Marine Geophysical Sensors Oscillators inside underwater geophysical sensors must provide highly accurate timing without GPS access. The CSAC’s superior aging rate and low power consumption compared to crystal oscillators mean sensors can deliver more accurate data for longer periods or conversely, with smaller, less expensive batteries • <120mW power consumption (Option 001) • <3.0E-10 monthly aging rate • <17 cc in volume • 35 g in weight • TempCo +5E-10 (Option 001) Power Matters.TM 45 CSAC Opportunities Tactical UAV’s Payloads are always stretched on Size, Weight, and Power “SWaP” • SA.45s CSAC helps in all three areas! < 17 cc, 35 g, < 125 mW • CSAC provides excellent holdover performance in GPS-denied environments Portable Test Equipment • Internal Atomic Clock option for the ultimate in handheld frequency accuracy • The atomic clock inside provides for a durable, handheld instrument that delivers high accuracy necessary to prove regulatory compliance. • The internal atomic clock module eliminates loose cables and potential snag hazards from external references © 2014 Microsemi Corporation. COMPANY PROPRIETARY IED Dismounted Jammers (Backpack) Ultra-low power consumption plus high stability make the SA.45s CSAC ideal for IED jammers small enough and light enough to be carried by soldiers. High stability allows jammers to be highly synchronized, so friendly force communications won’t be blocked • <125mW power consumption (Option 002) • <17 cc in volume • 35 g in weight • σy <5E-12 T = 1 hour Power Matters.TM 46 Systems Clocks © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 47 Microsemi Systems Clocks Portfolio Cesium Hydrogen Maser Cs4000 AOG 110 5071A CsIII MHM 2010 Microsemi is viewed as the market leader worldwide Rubidium Instrument Quartz Instrument 8200 8040C 4145C 1000C © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 48 Cesium Technology Applications Cesium Technology is considered the most comprehensive holdover option against GNSS vulnerabilities • Exhibit no frequency drift • Maintains 5x10-15 accuracy over the life of the instrument Critical for long-term autonomous operation No on-going calibration required More expensive than Rubidium and OCXO • Consumes more power and space Typical applications • Fixed wireline communications infrastructure • Under sea (Submarine) • Satellite ground stations • Metrology and Time Keeping © 2014 Microsemi Corporation. COMPANY PROPRIETARY 5071A CsIII Power Matters.TM 49 Cesium Applications Clock stability enables: Precision navigation Secure communications backbone Better realization of UTC Ground Stations Secure comm Navigation Timekeeping Metrology © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 50 Cesium Positioning TimeCesium 4400/4500 Standard Performance Telecom Environment 5071A High Performance Full featured Price Cs4000 Standard Performance Full featured Custom’s platform CsIII (4310B) Standard Performance Entry level Feature/Performance © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 51 Microsemi Cesium Beam Tube Clocks 5071A CsIII CS4000 Accuracy (Std/high) 1E-12/5E-13 1E-12/N/A 1E-12/N/A Stability Floor (Std/Hi) Typical High Performance 5E-14/1E-14 5E-15 5E-14/N/A 5E-14/N/A 1 1 2 2 1 1 1 RF outputs 5MHz 10MHz 1MHz 1kHz 100kHz 10MHz TTL Pulse Output Phase Noise (1Hz) Power Temp Range Front Panel Control Management 1 1 1 1 1 3 1 -106dBc -95dBc -95dBc AC/DC/Batt AC/DC AC/DC/Batt 0 to 50ºC 0 to 50ºC 0 to 50ºC Std N/A N/A RS-232 RS-232 RS-232 © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 52 Rubidium Gas Cell Frequency Standards Most widely used type of atomic clock • Smallest, lightest, lowest power • Least complex, least expensive, longest life • Excellent performance, stability & reliability Device of choice when better stability is needed compared to crystal oscillator • Lower aging, lower temperature sensitivity • Faster warm-up, excellent retrace • Used as an inexpensive holdover technology © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 53 Rubidium Applications Clock stability enables: Ground Stations OEM Test Equipment Higher resolution measurements in ATE systems Fast frequency hopping radios to maintain sync Precision time difference of arrival measurements Longer operation without GNSS ATE Test Ranges © 2014 Microsemi Corporation. COMPANY PROPRIETARY SIGINT Tactical Data link Power Matters.TM 54 Rubidium Product Line 8040C - Rubidium instruments • • • • ATE systems Ground stations General purpose reference Ground benign environment 8200 – Military Rubidium modules • Electronic warfare • Secure communications • Environmental extremes © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 55 8040C Standard Configuration 8040C Key Features and Benefits Multiple RF outputs Greater flexibility and scalability Low cost per channel GPS disciplining Remote monitoring Versatile input power Options Standard configuration (3) 10MHz, (1) 5MHz, (1) 1MHz, (1) 1PPS Outputs can be sine, square or 1PPS Six additional outputs can be added Up to twelve output channels per unit Improve accuracy & long term stability Adjust frequency, monitor Rb 85V – 264VAC. 12 O/P, LPN, 10.23 MHz, 13 MHz, DC, Custom © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 56 8200 Key Features Low profile package • 4.0”x4.63”x0.95”H Rugged design • Shock tested to 50g • Vibration tested to 15g Hermetic package • Impervious to altitude, salt fog, humidity -40C to +80C operating temp range Inputs: • 22 to 32Vdc Outputs: • (1) 10 MHz Monitoring and control: •Serial Port: RS232 •TTL Indicators: Lock, Analog 8200 not controlled by ITAR No export license required © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 57 8200/8200LN Specifications 8200 SSB Phase Noise 10 MHz 1 Hz < - 72 dBC/Hz 10 Hz < - 90 dBC/Hz 100 Hz < -128 dBC/Hz 1 KHz < -140 dBC/Hz 10 KHz < -148 dBC/Hz Spectral Purity Harmonics < - 50 dBC Non-Harmonics < - 70 dBC (<150 MHz) < - 80 dBc (>150 MHz) © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 58 8200/8200LN Specifications 8200 Short Term Stability (ADEV) 1S < 3.0E-11 10 S < 1.0E-11 100 S < 3.0E-12 Aging (after 1 month) Monthly < +5.0E-11 @ + 25C Frequency accuracy at shipment < +5.0E-11 @ + 25C © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 59 MHM 2010 – Industry’s Leading Hydrogen Maser Most stable atomic clock Longest life atomic clock Installed base of more than 130 masers Clock of choice at key metrology and radio astronomy labs © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 60 Maser Key Applications Metrology • Where? – International timekeeping laboratories • Why a Maser? – Maser provides superior frequency stability out to one week. This stability is the key attribute of a maser in a timescale application as well as support to today’s primary standard’s research Radio Astronomy • Where? – VLBI – Very Long Baseline Interferometry – VLBA – Very Large Baseline Arrays • Why a Maser? – Maser offers the frequency stability required to allow multiple VLBA stations to operate as a single instrument © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 61 MHM 2010 Stability and Environmental STABILITY Allan deviation (measured in 0.5Hz bandwidth): Standard Low Phase Noise Option 1s 1.5E-13 8.0E-14 10s 2.0E-14 1.5E-14 100s 5.0E-15 4.0E-15 1,000s 2.0E-15 2.0E-15 10,000s 1.5E-15 1.5E-15 Floor* <1.0E-15 Typical 1.5E-15 Long term <2.0E-16 per day* <2.0E-16 per day* Auto tuning: no external reference required * Typically achieved after extended period of unperturbed, continuous operation. Temperature variation: ±0.25°C, Relative humidity: ±10% ENVIRONMENTAL • Temperature sensitivity: • Magnetic sensitivity: • Power source sensitivity: <1.0E-14/°C <3.0E-14/Gauss <1.0E-14 © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 62 MHM 2010 Phase Noise Standard phase noise Low phase noise option 5MHz 10MHz 100MHz 1Hz -116dBc -110dBc -90dBc 10Hz -135dBc -129dBc -109dBc 100Hz -148dBc -142dBc -122dBc 1kHz -155dBc -149dBc -129dBc 10kHz -155dBc -149dBc -129dBc 100kHz -155dBc -149dBc -129dBc 5MHz 10MHz 100MHz 1Hz -130dBc -124dBc -102dBc 10Hz -150dBc -138dBc -117dBc 100Hz -158dBc -146dBc -126dBc 1kHz -160dBc -150dBc -133dBc 10kHz -160dBc -153dBc -134dBc 100kHz -160dBc -153dBc -134dBc © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 63 Thank You Ramki Ramakrishnan Director of Marketing & Business Dev, Clocks BU ramki.ramakrishnan@microsemi.com +1 707-636-1914 Paul R. Gerry Senior Product Manager, Clocks BU Paul.Gerry@microsemi.com +1 978-522-5798 Steve Fossi VP and General Manager, Clocks BU Steve.Fossi@microsemi.com +1 707-636-1810 © 2014 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.TM 67