Juswanto Wardojo is an experienced electrical engineer with 22 years of experience developing RF, microwave, wireless, and fiber optic communication systems. He has expertise in C/C++, MATLAB, and CAD tools like ADS, Xilinx ISE, and PADS. Currently he works as a staff test engineer at Peregrine Semiconductor designing RF power amplifier production test platforms.

1. Juswanto Wardojo
2691 Bressi Ranch Way
Carlsbad, CA 92009
Home: (760)268-0684
juswanto@gmail.com
Professional Summary:
● An experienced electrical engineer with analytical strengths in various disciplines:
analog and digital/FPGA electronics, RF/microwave, power systems, and fiber optic
communications.
● 22 years of technical expertise developing RF, microwave measurement
systems, wireless, high-speed serial data, computer switches and networks, video
communication systems, photonics systems and semiconductors.
● Proficiency in design tools and programming languages: C/C++, C#, TestStand,
MATLAB, ADS, Xilinx ISE Design Suites, PADS, ADS Momentum.
● Solid design and analysis of electrical circuits and systems from DC up to high
GHz (75GHz) frequency range.
● CAD tools experience: Agilent ADS, Momentum, Ansoft Designer, PSpice,
Cadence Design Entry, MATLAB, PDF DataPower
● Very hands on with many lab equipments: oscilloscopes, spectrum analyzer,
logic analyzer, protocol analyzer, etc.
● Experience with many wired and wireless standards: 10G Ethernet, SFP+,
QSFP, I2C, SPI, RFFE MIPI, LTE, GSM, etc.
● Broad exposure to various product developments from semiconductor devices,
wireless systems, electronics instrumentation and Terabit/s networking router/switch.
. ● Good working knowledge of the following circuits, systems, test & measurement,
standards: PLL, VCP, PA, LNA, YTO, YTF, Buck Converter, DC-DC Converter, Linear
Regulator, S-parameter, Opamps, GaAs Hemt, I/Q Modulator, I/Q Demodulator, EVM,
GSM, EDGE, CDMA, Jitter Measurement, Eye Diagram, BER Measurement, Phase
Noise, Photonics, Tunable Laser, Photo Detector, AGC Loop, ATE, Boundary Scan,
InCircuit Test, CDR, Pre-emphasis, Equalization, SFP+, DisplayPort, HDMI, DVI, TOI,
ACPR/ACLR, GPIB, I2C, Gain Compression, SHI, etc.
Work Experience:
● Peregrine Semiconductor, May2011 - Present. Staff Test Engineer
Design of RF power amplifier production ATE platform. Design the complete
production ATE that includes hardware design, instrumentation, and software. Hardware
design work includes PCB board level design, measurement system design. Write software
framework for production test, write test sequences in LabWindows CVI. Write test plan.

2. Performing gauge R&R. Performing measurement correlation. Releasing test solution to high
volume production environment.
● May 2009 to May 2011. Hardware Validation Engineer
Google, Inc. Mountain View, CA 95403
I worked on the design verification of terabit/sec networking switch and
router. I lead a team of engineers to validate the design of the hardware and software. The
design validation from physical layer signal integrity measurement of high speed (Mbps
to 40Gbps) interconnection and transceivers, control plane management hardware and
software (CPUand embedded systems), power generation,power delivery, thermal verification,
interoperability validation between different networking components and systems, and
verification of the networking hardware and software in a larger networking cluster and data
center environment. Verify system performance across process variation, temperature variation,
and voltage variation. Worked with firmware engineers to enable low level hardware access and
tests. Worked with networking engineer to ensure router worked in a large network cluster in
data center. Worked with hardware design engineer to address failures and corrective actions.
Wrote test plan for a team of validation engineers and technician. Conducted meetings with
various hardware engineers, firmware engineers, networking engineers to organize design
verification efforts. Wrote tcl scripts to automate many of the system level performance
verification over temperature, over extended time.
● May 2006 to Nov 2008. Senior Staff Engineer
Luxtera, Inc. 2310 Camino Vida Roble, Carlsbad, CA 92010
Luxtera is a fabless semiconductor company involved in the design and manufacture of active
cables capable of delivering 40 Gbps, utilizing the silicon photonics chip it has developed.
Lead a group of test engineers, engineering technician, and consultants to develop production
test solutions. Implemented MSA standards requirement SFP+, QSFP, XFP, HDMI 1.3a,
DisplayPort into test plan. Designed modulator for 1490 nm laser at 10Gbps, differential
coplanar line, power control. Simulated circuits with Ansoft Designer, ADS, PSpice, Multisim,
Spectre. Capture schematics using Design Entry HDL. Wrote test software in LabWindows/CVI,
C/C++, TestStand. Analyze data using DataPower software from PDF. Develop method for
testing PDL for a photodetector using modulated light source as stimulus and FFT-ing current.
Design and built low cost test equipment based on serdes for testing 10Gbps active cable BER
and Total Jitter at 1E-12. Design and built a fully automated production test system for a multi-
rate (150Mbps- 12.5Gbps) electro optical transceiver (1490 to 1550nm) capable of measuring
electrical as well as optical measurements such as optical power, optical loss, optical PDL,
extinction ratio, BER, Total Jitter, Random Jitter, Deterministic Jitter, Jitter Tolerance, Eye Mask,
etc.
● March 2006 - May 2006. Principal Engineer
PulseLink, 1969 Kellog Avenue, Carlsbad, CA 92008
PulseLink is a fabless company devoted to design and manufacture of wireless chipsets for

3. wireless high-bandwidth digital connection. I developed an ultrawideband (over 1Gbps) BPSK
modulator and demodulator for test board utilizing standard microwave building blocks.
● January 2005 – February 2006. Application Development Engineer.
Agilent Technologies, San Diego, CA
Developed wireless semiconductor test solution for GSM, CDMA, Cellular band receivers using
Agilent/Verigy 93000 RF systems. Designed loadboard for interfacing to the DUT and ATE.
Wrote test methods in C++ in SmarTest environment. Trained customer to use the 93000 RF
systems for development.
● May 2000 – December 2004. Hardware Design Engineer
Agilent Technologies, Santa Clara, CA
Developed test systems for production, characterization, and modeling. The products that I
supported including fiber optic switch, pHEMT power amplifier, pHEMT LNA. Systems that I
developed include: optical cross connect test system, Loadpull system for large signal RF
measurement, Noise Figure measurement system, DC parametric test system.
● September 1999 – April 2000. Project Manager
OpenWave Systems, Redwood Shores, CA
OpenWave (@Motion) developed and market an internet portal systems that connects wireless
phone users to the telephone network as well as internet and providing many custom features
such as phone call, email, fax, address book, and calendar via voice commands. System
integration manager for wireless portal system. Manage system integration and test. Manage
subcontractor to build system. Manage deployment of wireless portal system at telco office.
● July 1998 – April 1999. Development Engineer
Lucent Technologies, Wireless Broadband Network Division, Milpitas, CA
This division of Lucent was conceived to deliver fixed wireless broadband communication
system to end users using the 27 to 30GHz licensed spectrum. I was responsible for developing
test systems to test the point-to-point radio and the point-to-multipoint radio and its associated
transmitter, receiver, and IF sections. I designed the test hardware, select all the equipment,
and wrote the test code using Visual Basic and Rocky Mountain Basic.
● August 1990 – April 1998 . Product Engineer
Hewlett-Packard Company, Sonoma County, California
Electrical engineer responsible for support of product from design phase thru end of life.
Products that I was responsible for: 50Ghz spectrum analyzer, RF signal source, vector
modulation analyzer, vector signal generator, wireless channel simulator/fader. Solved
production related issues related to product performance, quality, reliability, as well as yield
issues. Designed new circuitry to replace old obsolete components within the instruments.
Reduced production cost by simplifying design, reducing BOM, reducing test time, simplifying
assembly process, and thorough test plan from ICT, functional test to system level test. Trained
new engineers as well as production operators and technicians on how to debug, assemble,
and build the product. Wrote test program to test the products performance. Designed test

4. fixtures.
Education:
● Oklahoma State University, 1991, Master of Science in Electrical Engineer
with emphasis on Analog IC Design.
● Oklahoma State University1988. Bachelor of Science in Electrical
Engineering.
Citizenship:US Citizen