NETWORK ANALYZERS
376 For product ordering information, see pages 3 – 6
The 37200C and 37300C series microwave vector network analyzers
(VNAs) are high performance tools designed to make fast and accurate
S-parameter measurements across the 40 MHz to 65 GHz range.
These network analyzers integrate a synthesized source, S-parameter test set, and tuned receiver into a single compact package that is
ideal for benchtop testing.
Code named Lightning, the 37200C and 37300C offer new levels of
measurement capabilities to speed manufacturing test and increase
throughput. Choose the instrument model and options that best suit
your application and budget.
The 37200C series is designed for passive device measurements,
while the 37300C series adds active device measurement capabilities. Five microwave models are available from 40 MHz to 13.5, 20,
40, 50, or 65 GHz.
The 37100C series microwave vector network analyzers are configured as direct-access receivers for antenna, frequency conversion,
and multiple output device measurements. The 37100C offers ultimate flexibility to meet most receiver measurement needs while
maintaining the ability to measure all four S-parameters with the addition of a reflectometer setup at the front end of the receiver.
The 37100C series offers two wide-band microwave models covering the 22.5 MHz to 20 GHz or 40 GHz ranges.
Features
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High speed data transfer and control
For maximum efficiency, dual GPIB ports are standard on every
37100C/37200C/37300C series VNA. High-speed transfers across
the analyzer's IEEE 488.2 GPIB bus minimize data collection times.
The second GPIB port is dedicated to control of peripheral devices
such as printers, plotters, power meters, and frequency synthesizers. The 37100C/37200C/37300C series maximizes throughput by
combining fast, error-corrected sweeps with high-speed data transfers.
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Compact size
The 37200C/37300C series analyzers integrate a fast sweeping
synthesized source, auto-reversing S-parameter test set, and fourchannel receiver into a single compact package. The 37100C series
analyzers integrate a fast sweeping synthesized source and fourchannel receiver into a single compact package and provides direct
access to all four receiver samplers via the front panel. Components
within the analyzer have been integrated to reduce cost and weight
and improve the instrument's long-term reliability.
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Built-in mass storage
Testing devices with multiple setups is now easier. A built-in hard
disk drive rapidly stores and recalls frequently used front panel
setups and calibrations. Store your complete test setup including limit lines and frequency markers. Create descriptive file names to assist multiple users or device types. The high storage capability of the
internal hard disk means there is space for Iiterally hundreds of calibrations, front panel setups, and data traces. In secure environments, the internal hard disk can be removed and either an external
drive on the SCSI port or the inter nal 1.44 MB floppy drive can be
used for uploading proprietary setups.
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Fast synthesized sweeps
Measurement update rates of less than 2 ms per point are possible
with the 37100C/37200C/37300C series analyzers. Each data point
is fully phase-locked and vector-error-corrected for optimum accuracy.
Realize near real-time updates with the instrument's tune mode.
The internal source frequency resolution of 1 Hz facilitates narrowband device measurements.
•
Time domain analysis
Analyze impedance discontinuities as a function of time or distance
with the 37100C/37200C/37300C's high-speed time domain (Option 2A).
Isolate individual reflections in time and evaluate their effects in the
frequency domain. Remove the effects of device packages and fixturing with time domain gating to see the actual performance of your
designs. Use the independent display channels to view the response
of your designs before, during, and after time domain processing.
The software provides four different windowing functions to optimize
dynamic range and resolution. The exclusive phasor impulse mode
will show you the true impedance character istics of mismatches in
waveguide, microstrip, and other band-limited media.
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Multiple source control and set-on receiver mode
Separately control the frequency of two sources and a receiver without the need for an external controller. Independently specify the
sweep ranges and output powers of the sources and the sweep
range of the receiver to accommodate swept IMD, TOI, and harmonic measurements. The 37100C/37200C/37300C's set-on receiver
mode allows it to operate as a tuned receiver by phase locking all of
its local oscillators to its internal crystal reference oscillator.
VECTOR NETWORK ANALYZERS
37100C, 37200C, 37300C Series
22.5 MHz to 65 GHz
For Fast and Accurate S-Parameter Measurements
GPIB
http://www.anritsu.com 377
NETWORK ANALYZERS
7
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LabVIEW®compatibility
Standard with every 37100C/37200C/37300C series analyzer is
National Instruments LabVIEW®instrument driver. Create custom
test programs (virtual instruments) in less time with LabVIEW's graphical programming environment. Take advantage of the network analyzer's high data throughput for tuning operations. Fast data transfers
over GPIB permit near realtime updates on your PC's display.
Customize programs to automatically display, test, and document
measurement results. Reuse virtual instruments in other test routines to
minimize program dev elopment time. LabVIEW gives you full access
to more than 900 mnemonics in the 37100C/37200C/37300C analyzer's command set for complete automated data collection and
analysis.
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Internally controlled AutoCal
®
One source of potential errors and inaccuracies in any network analyzer system is the calibration of that system. The Anritsu AutoCal
automatic calibrator is designed to speed and simplify the calibration
of your 37200C/37300C VNA. Using the built-in software support
and an AutoCal module connected to the serial port on the rear panel
of the instrument, you are ready to make fast, accurate, and repeatable calibrations.
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Three-year factory warranty
All 37100C/37200C/37300C series VNAs are backed with a noquestions-asked three-year warranty.
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Upgradeability
The 37100C/37200C/37300C series analyzers are designed to accommodate higher frequency ranges and more powerful features as
your requirements grow. Any 37100C/37200C/37300C series VNA
can be upgraded to any other model in the instrument family, or any
other series, to fit your changing requirements. Contact Anritsu
Customer Service to request an upgrade and an Anritsu service engineer will install the added capability and verify your system's total
performance. Upgradeability is a cost-effectiv e approach to satisfying
today's production needs while providing the flexibility to meet tomorrow's demands. System software upgrades are as easy as inserting
new discs into the instrument's floppy drive.
Applications
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Filters
Let the analyzer's wide dynamic range show you filter rejection and
input match on the same display. Overlay traces and tune for optimum transmission and group delay responses without reduction in
sweep speed.
Further speed improvements are possible using the instrument's
tune mode. This unique feature helps users optimize sweep times in
one direction for better hand-to-eye tuning while maintaining a 12term corrected S-parameter display. Anritsu's tune mode maximizes
sweep speed and accuracy, simultaneously, by allowing you to
choose when reverse parameters are updated.
Automatically locate filter center frequency, 3 dB bandwidth,
max/min insertion loss, Q, and shape factor. Instantly measure
passband phase distortions with Anritsu's automatic reference
plane extension capability. A single key press quickly identifies filter
non-linear phase responses.
•
Amplifiers (available on 37300C series only)
Easily measure amplifier gain compression vs. input power or frequency. Power meter assisted linearity and flat output power calibration combined with a receiver port calibration provides capability to
measure output power in dBm. A 1 watt, 70 dB (60 dB on >40 GHz
models) step attenuator in the port 1 path, and a 40 dB step attenuator in the port 2 path, coupled with 20 dB ALC range, give complete
control to characterize virtually any amplifier. This range is reduced
to 12 dB at frequencies >50 GHz. Internal bias tees simplify DC biasing of your active designs. A front panel loop allows external amplifier insertion, increasing port 1 power up to 1 watt maximum for
high input power amplifiers.
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Mixers
Perform absolute and accurate S-parameter measurements (magnitude and phase) of frequency translation devices. Make error corrected conversion loss, group delay, and port match measurements
of mixers and up/downconverters. Anritsu's Mixer (NxN) Calibration
Assistant software adjusts the VNA's 12-term calibration for the second mixer, BPF, and attenuators in the measurement path.
No reference mixer is required for VNA phase locking since the frequency range of the receiver is set to the same range as the source.
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Multiport and Balanced/Differential
Measure single-ended and mixed-mode S-parameters with the
37200C/37300C series VNA, a 4-port test set, and an external PC
running Anritsu's Multiport Navigator™ software. Characterize single-ended multiport components (diplexers, couplers, power dividers,
etc.) or balanced/differential components. Anritsu's easy-to-use
Navigator software provides full step-by-step direction, simplifying
calibrations and measurements.
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Microstrip devices
The 37200C/37300C series offers complete substrate measurement
solutions for both microstrip and coplanar waveguide (CPW) designs. The 37200C/37300C series analyzers accommodate the model 3680 series Universal Test Fixtures (UTF), calibration kits, and verification kits. Guaranteed system specifications provide assurance
that your test results are accurate and verifiable.
Completely characterize connectorless devices with the 37200C/
37300C's Line-Reflect-Line (LRL) and Line-Reflect-Match (LRM)
calibration capability. The four channel design provides true LRL/
LRM error-correction giving you the highest performance available
for in-fixture measurements. Highly reflective devices, along with
well matched ones are measured with the same degree of ease.
Automatic dispersion compensation improves measurement accuracy to help you determine phase distortions in all your microstrip designs. The result is quality measurements you can count on for your
connectorless devices.
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E/O and O/E devices
The 37200C/37300C series incorporates a de-embedding function
that simplifies VNA calibration when measuring E/O and O/E devices. Characterize the transfer function, group delay, and retur n
loss of optical modulators (E/O) and photoreceivers (O/E).
An MN4765A O/E calibration module and a laser source are required
to complete the test set-up. The internal VNA application de-embeds
the response of the O/E calibration module to allow direct measurement of the modulator. For O/E measurements, use the O/E calibration module to characterize a modulator first, then use the modulator as the characterized reference to measure another photoreceiver.
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Antennas
Far field measurements are enhanced with the speed of taking data
over GPIB, using the 37100C/37200C/37300C in fast CW mode.
Rates of 0.8 ms/point can be achieved using internal triggering,
1.2 ms/point with external triggering, and 1.5 ms/point with GPIB
triggering.
For near field measurements, internal buffer data collection is provided to allow saving active channel measurement data from multiple sweeps without having to synchronize and collect data at the
end of each sweep. The 37100C/37200C/37300C can store up to
50,000 data point measurements, each consisting of two real and
imaginary IEEE 754 4-byte floating point numbers.
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