Agilent 8720E Family: High-Performance Microwave Vector Network Analyzers, Lab Reports of Electrical and Electronics Engineering

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Agilent

8720 Family

Microwave

Vector Network Analyzers

Product Overview

High-Performance Solutions

for Your Measurement Challenges

The Agilent Technologies 8720E family features six microwave vector network analyzers to increase your productivity. With the addition of the transmission/ reflection analyzers (ET models), you can now choose from the traditional high-performance S-parameter analyzers (ES models), or the more economical ET models.

With S-parameter analyzers, you’re able to measure the forward and reverse characteristics of components without disconnecting, turning around, and reconnecting them to the analyzer. The ES models also provide full 2-port calibration for excellent measurement accuracy.

The transmission/reflection analyzers provide forward transmission and reflection measurements of many devices, at an affordable price.

Both ET and ES models combine a fast, synthesized source with an integrated test set. These instruments quickly and accurately measure magnitude, phase, group delay and absolute power of transmission and reflection signals. So whether you want to improve your designs in R&D or maximize your measurement throughput in manufacturing, the 8720E analyzers can help by providing superb measurement accuracy, fast measurement speed, and thoughtfully-designed productivity features.

Now…more choices

for solving your

measurement challenges

Transmission/ reflection test set

S-Parameter test set

50 MHz 13.5 GHz 20 GHz 40 GHz

8720ET

8722ET

8719ES

8720ES

8722ES

What's new 8719ET

in the

8720E family?

- Transmission/reflection microwave analyzers The 8719ET, 8720ET, and 8722ET. - Electronic calibration made simpler Perform fast, accurate, automatic calibrations with Agilent’s ECal products. Control ECal modules directly with the 85097A control unit without an external PC. - Enhanced response calibration Enhanced response calibration corrects for the effects of source match, unlike a simple response calibration, which does not correct for source match. - Easier-to-use four-parameter display All four display channels can be used without performing a full two-port calibration. Front panel keys for channels 3 and 4 make it easier to access the additional display channels. - Improved user interface Front panel keys also give you faster access to the [Power] menu and [Marker Search] functions. The [Return] key brings you quickly back to the prior menu.

Analyze devices and tune filters in

time-domain with Option 010

The time-domain option (Option 010) converts the frequency domain date to time-domain using an inverse Fourier transform. You can use time-domain to locate and resolve most mismatches in your device, fixture, or cable. Once located, use gating to remove unwanted responses.

Combining an S-parameter analyzer with the time-domain capability provides a simple, deterministic method for tuning cavity-resonator bandpass filters. Comparing the filter’s reflection response in the time- domain with the response of a properly tuned filter reveals which resonators or coupling adjustments need to be tuned. With time-domain filter tuning, you can more easily train new personnel for this complex task, and greatly simplify the fine-tuning and troubleshooting procedures.

Measure high-power devices with

Option 085 (ES models only)

Option 085 is used for measuring high-power amplifiers up to 20 watts. A mechanical switch is added to the reference path so you can add your own external amplifier to boost the input power to your device. To protect the analyzer from high power levels, Option 085 includes internally controlled step attenuators in the receiver path, and RF loops that allow you to insert isolators.

Expand your

measurement capabilities

with these options^2

Mechanicaltransfer switch

Source

Samplers

Referenceswitch

Customer-supplied booster amplifier and coupler RF out RF in +43 dBm max

A

R B

–55 dB –55 dB

Customer-supplied isolation (for output above +30 dBm) (^) 0 dBm maxRef input Amplifier under test

+43 dBm max output (20 watts) +43 dBm max input (20 watts)

Measure high-power amplifiers.

Tune cavity-resonator filters in time-domain.

2. Most options are available for an extra charge.

Calibrate in-fixture or on-wafer test

systems with Option 400 (ES models only)

Through-Reflect-Line (TRL) calibrations use standards that are simple and easy to fabricate and characterize, and provide the ultimate in accuracy. Perform a TRL* calibration with standard analyzers, or add a fourth receiver (Option 400) and perform a true TRL calibration.

Extend source power range with

Option 004 (ET models only)

Option 004 adds a step attenuator to the source, extending the power range in the ET models by 55 dB. Depending on the frequency, the power range extends from –70 to +5 dBm.

TRL calibration provides the highest accuracy for in-fixture and on-wafer measurements.

For information about test fixtures, contact: Inter-Continental Microwave 1515 Wyatt Drive Santa Clara, CA 95054 USA Telephone: (408) 727- Fax: (408) 727- website: www.icmicrowave.com E-mail: [email protected]

For information about probing equipment and accessories contact: Cascade Microtech, Inc. 2430 NW 206th Avenue, Beaverton, OR 97006 USA Telephone: (503) 601- Fax: (503) 601- website: www.cascademicrotech.com E-mail: [email protected]

Extend receiver dynamic range with

Option 012 (ES models only)

Option 012 provides front-panel access to the receivers. This allows transmission measurements that bypass the coupler for improved signal-to-noise ratio. So you can make antenna measurements to –110 dBm at 40 GHz, and filter rejection measurements to 116 dB. Use the RF loop to add a 20-dB attenuator to increase the test port compression level.

Configurable test set for a range of measurements.

Reduce calibration time with ECal

Agilent’s electronic calibration (ECal) products provide easy, fast and accurate calibrations. ECal uses firmware control, an interface unit and ECal modules in a variety of connector types, including 3.5-mm, 7-mm, and 50-ohm Type-N. This easy-to-use solution helps reduce operator errors and connector damage, and provides accurate calibrations for most non-insertable devices, helping improve product yields.

Automate repetitive tasks

with test-sequencing

You can set up a simple test sequence by making a measurement while the network analyzer records the keystrokes. Later, repeat the entire sequence by pressing a single key. Because the sequence is defined with normal measurement keystrokes, you do not need additional programming expertise. Test sequencing also allows you to display user prompts, make decisions during a test and branch to other sequences, control other GPIB instruments, or use the parallel port to control test sets or part handlers.

Let Agilent design and build

a custom test set for you

If your application requires a special configuration, ask us about our special options, which offer a wider range of specifi- cations. For example, Option H16 adds a switch that allows the analyzer to be used either in the standard test set configuration or in low-noise-floor mode.

Link to your CAE program

Use electronic design programs such as Agilent’s EEsof Advanced Design System (ADS) in conjunction with the 8720E family of analyzers to help optimize the performance of your device, and generate and import device models.You can store ASCII data files to disk in conformance with CITIFILE or Touchstone-compatible (S2P) formats for importing to your design software. Agilent’s EEsof programs can also transfer data to and from the network analyzer via GPIB.

Agilent custom test sets help simplify your measurement.

Quality and reliability The 8720E family of network analyzers is manufactured in ISO 9002- registered facilities in concurrence with Agilent’s renowned commitment to quality. We put our network analyzers through extensive environmental tests for shock, vibration, and extreme temperature cycling so that you can count on them.

Three-year global warranty Our commitment to quality is backed by a standard three-year return-to-Agilent warranty. Support options to cover periodic calibrations are also available.

Agilent on the World Wide Web 8720E information: www.agilent.com/find/ Application Notes: www.agilent.com/find/tmappnotes

Other 8720E family literature 8720E Family Data Sheet 5968-5163E 8720E Family Configuration Guide 5968-5162E

The Agilent 8720E

family at-a-glance

Agilent expertise at your service

Agilent Technologies’ Test and Measurement Support, Services, and Assistance Agilent Technologies aims to maximize the value you receive, while minimizing your risk and problems. We strive to ensure that you get the test and measure- ment capabilities you paid for and obtain the support you need. Our extensive sup- port resources and services can help you choose the right Agilent products for your applications and apply them successfully. Every instrument and system we sell has a global warranty. Support is available for at least five years beyond the produc- tion life of the product. Two concepts underlie Agilent’s overall support policy: “Our Promise” and “Your Advantage.” Our Promise “Our Promise” means your Agilent test and measurement equipment will meet its advertised performance and functionality. When you are choosing new equipment, we will help you with product information, including realistic performance specifica- tions and practical recommendations from experienced test engineers. When you use Agilent equipment, we can verify that it works properly, help with product opera- tion, and provide basic measurement assistance for the use of specified capabili- ties, at no extra cost upon request. Many self-help tools are available. Your Advantage “Your Advantage” means that Agilent offers a wide range of additional expert test and measurement services, which you can purchase according to your unique technical and business needs. Solve prob- lems efficiently and gain a competitive edge by contracting with us for calibration, extra- cost upgrades, out-of-warranty repairs, and on-site education and training, as well as design, system integration, project man- agement, and other professional services. Experienced Agilent engineers and techni- cians worldwide can help you maximize your productivity, optimize the return on investment of your Agilent instruments and systems, and obtain dependable measure- ment accuracy for the life of those products. Get assistance with all your test and measurement needs at: www.agilent.com/find/assist Product specifications and descriptions in this document subject to change without notice. Copyright © 1999, 2001 Agilent Technologies Printed in U.S.A. February 20, 2001 5968-5161E

(^3) A modified version of TRL/LRM for the three-receiver test set. (^4) Requires Option 400, which adds a fourth receiver and special firmware.

Windows is a U.S. registered trademark of Microsoft Corp.

Features ET models ES models Transmission/reflection test set X S-parameter test set X Error correction ET models ES models One-port calibration X X Enhanced response calibration X X Full two-port calibration X TRL/LRM calibration 3 X TRL/LRM calibration 4 X Options ET models ES models Step attenuator (Option 004) X standard Mechanical transfer switch (Option 007) not applicable X Time-domain (Option 010) X X Direct receiver access (Option 012) X High-power test set (Option 085) X Frequency offset mode (Option 089) X Fourth sampler and TRL calibration firmware (Option 400) X High-stability frequency reference (Option 1D5) X X