APITech provides guaranteed ultra low phase noise performance in a series PM Amplifiers that use a
combination of design techniques, material selection, and in-house testing.
LOW PHASE NOISE AMPLIFIERS
apitech
30 Years Of Design & Manufacturing Experience • Over 600 Microwave employees
• Access to lower cost manufacturing (APITech RF facilities in Mexico and China)
• State College, PA facility - 275,000 sq. ft. A | Columbia, MD
Acquired July 2002 (FSY) B | Delmar, DE Acquired February 2004 (Salisbury Engineering) C | Palm Bay, FL Acquired October 2004 (Q-bit) D | Philadelphia, PA Acquired February 2005 (Amplifonix) E | State College, PA Acquired January 2007 (EMF Systems) F | Marlborough, MA Acquired September 2008 (Satcon-Film MicroElectronics) G | Nashua, NH Acquired XXXXXX 2010 (Sage Electronics)
The APITech Family of Business Microwave Components & Systems Business SpectrumMicrowave.com
When your amplifer requirements are for 100 units or more, we
ofer cost efective package options that combine savings and
high performance in one product. APITech has a large selection of
both standard and custom higher volume designs, ofering both
exceptional value and outstanding performance.
Guaranteed High Performance in a Lower Cost Package
• Custom frequencies to 4000 MHz
• Output Power to 2 watts
• Noise fgures as low as 0.9 dB
• No external biasing or RF matching circuits needed
• Available in tape and reel
• Perfect drop-in gain solution for Integrated Assemblies
Product Line Overview Hybrid Components, Mixers & Advanced Technologies
• In-house thin & thick flm capability
• 30 year heritage design database
• Quick turn prototypes (2-4 days)
• Complete testing & ESS capability
• Rapid military to low cost conversion
• Modular assemblies
Filter Components & Integrated Filter Assemblies
• Complete flter solutions
• In-house machining
• Complete testing & ESS capability
3 Low Phase Noise Ampl i f iers
Low P hase Noise Ampl i f iers 4 apitech.com
• 20 year heritage design database
• Focused design centers for quick turn prototypes (2-4 weeks)
Frequency Sources & Integrated Microwave Assemblies
• 80% critical component content
• In-house development of ATE
• 8 IMA engineers with 22 years of experience
What Do All Of These Sophisticated Systems Have In Common?
APITech supports all these systems due in part to the expertise of their engineers and superior
technology that makes us the pinnacle of Low Phase Noise excellence. All these systems require
exceptionally low phase noise performance amplifers.
5 Lo w P hase Noise A mpl i f iers
Amplitude
Amplitude
-10
-20
-30
-40
-50
N -60 ~ -70 m -l!O :E, -90 : -1 00 0 Z -11 0
I :~! 0
0 -14 0 -15 0 -16 0 -17 0
,__ ~
Wanted signal
Carrier
Loop . band'Aidlh:
Phase noise either side of the sig na I
Noise caused mainly by reference and pha se detector
Frequency
VCO Output= 375MHz
- -
10KHz 100KHz Frequency Offset
Frequency
1MHz
LOCAL OSCILLATOR
Sup~ r phase nJise performance places the 1/f corner closer to the carrier.
Hz
apitech
What Is Phase Noise And Why Is It So Important?
Every signal has Phase Noise to some degree, sometimes it is seen as
jitter of some kind, but simply put...
…it is unwanted noise on both sides of the carrier signal caused by
random variations of the frequency and phase of the carrier.
Even the best oscillators and signal generators have some degree of
phase noise, expressed in dBc/Hz.
Remember, all passive and active components contribute to phase
noise to some degree, some more than others. Noise fgure (dB)
manifests itself as a reduction of the output S/N ration of the device.
Besides Noise Figure, there is an additional characteristic of noise,
the 1/f corner.
The 1/f corner, or sometimes referred to as the “knee” of the curve,
is the point where the Phase Noise slope drops by 10dB per decade.
Low P hase Noise Ampl i f iers 6 apitech.com
Plot of 2 typical VCO
graphs
dB.£
' ' ' 30dBper , Decade _____. Slope
20 dB per Decade Slope
Signal
Poor 1/f knee
Thermal Noise Floor
Hz
So Why Is Phase Noise So Important For My Design?
As the graph illustrates, a poor 1/f knee places the signal into the thermal noise region.
Moving the 1/f corner closer to the carrier results in removing the noise from the signal.
So How Does Phase Noise Effect Doppler Radar, Missile Illumiators and, Other Date Transmission Systems? Low phase noise is a key element in a missile illuminator. For all doppler radar designs, improving the sub-clutter For example, the objective of the system is to detect and amplify visibility (SCV) is the bottom line. This allows the radar to small refected target signals. Simply put, degraded phase noise see small moving objects on its screen. Excessive Phase Noise can result in the loss of the intended target signal. will degrade the SCV of the system. Improving the Phase Noise
however increases the cancelled S/N ratio thereby improving the SCV. Degraded phase noise also impacts the bit error rate (BER)
of all data transmission systems. Improving the Phase Noise results in substantial BER performaence improvement by increasing the S/N ratio in the receiver.
7 Lo w P hase Noise A mpl i f iers
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apttech
How Does APITech Measure Phase Noise?
Unlike measuring Phase Noise in a VCO, amplifers require a much
more sensitive measuring system with an extremely low noise foor.
A typical noise foor for measuring VCO’s may only be on the order
of -145 to -150 dBc/Hz.
For Low Phase Noise Amplifers, a noise foor of at least -180 @
100kHz (ofset from the carrier) is required in order to minimize the
noise foor contribution to the amplifer’s additive phase noise.
APITech accomplishes this feat using an “enhanced” Agilent ES5500 system coupled with a modifed IFR low noise synthesizer.
This enables us to meet the required Low Noise Floor criteria for measuring Low Phase Noise Amplifers.
Low Phase Noise Ampl i f iers 8 apitech.com
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At APITech We Optimize Our Designs For Low Phase Noise And...
…Provide Both Typical And Guaranteed Phase Noise Data On Our Amplifiers.
9 Low Phase Noise Ampl i f iers
RF AMPLIFIER MODEL TM3072PM
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Guaranteed Phase Noise Performance (dBc/Hz) Frequency Typical Guararilee (Min.)
100 Hz -165 -161 1kHz -175 -171 10 kH, -179 -175 100 kHz -1M -176 1 MHz -180 -176
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Res idual Phase No'ise Test Condit.ions: ■ Carrier Frequency: 160 MHz ■ Po er Outpu 27.0 dBm ■1 Tempe iure 25 °C ■ Ag,r nl ES5500 Sy ten,
RF AMPLIFIER MODEL TM3072PM
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So If You Want The Maximum Performance Out Of Your Design…
…call us to learn more about APITech’s Low Phase Noise Amplifiers.
855-294-3800
Lo w P hase Noise A mpl i f iers 10 apitech.com
Q ' UKAS MGMT. SY~ QUALITY MANAGEMENT
RvA C118 105-A
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Latest Technology & Software Design Tools • Ansoft Designer
• Agilent Eagleware Genesys
• Orcad
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• Sonnet Pro EM Simulator
Quality & Reliability MIL-PRF-38534 Product Screening and qualifcation capability • Device screening and groups A, B, C, and D qualifcation
(when required by order) • Environment testing per MIL-STD-883 test methods
Other specifcations guidelines • J-STD-001 Class 3 and IPC-A-610, for eutectic attach and general
soldering processes • IPC-7711 and IPC-7721, for rework and authorized repair
operations
Quality assurance programs • Calibration recall program for test and measurement equipment • Facility ESD program • Failure analysis and corrective action system • Internal ISO audit program • Operator training program
Design & Development Process
Specifcation Development
Simulation & Design
Prototyping
Testing
Manufacturing
Logistics
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Who We Are
INTEGRATED SUBSYSTEMS & BOXES TIER 2
SYSTEMS INTEGRATION SYSTEM PRIME
MODULES TIER 3
COMPONENTS TIER 4
MISSION/INTEGRATED SYSTEMS TIER 1
Value-added Integration from Components to Subsystem Solutions APITech provides rugged, reliable, and
efcient subsystems, assemblies, and
components for use in the most mission
critical defense and military applications,
supporting government programs throughout
the world. With diverse program experience
and preferred supplier status with some of
the industry's top premier contractors, our
precision-engineered MIL-grade products are
ideal for applications where uncompromised
reliability and uninterrupted performance
is required. APITech is the Electromagnetic
Spectrum Innovator at Tier 2.5-4 in the
supply chain.
Radar or Communications
Radio or Interface Assembly
F-35
IMAS
Passive COAX
www.apitech.com | 855.294.3800
The Electromagnetic Spectrum Innovator
APITech is an innovative designer and manufacturer of high performance systems,
subsystems, assemblies and components for technically demanding RF, microwave,
millimeterwave, electromagnetic, power, and security applications.
A high reliability technology pioneer with over 70 years of heritage, APITech’s
products are used by global defense, industrial, and commercial customers in
applications spanning radar, electronic warfare, unmanned systems, missile
defense, harsh environments, space, communications, medical, test and
instrumentation, and more.
COMP. 101920ED
