HP 8753ET/ES supplemental characteristics (continued)

Frequency offset on/off

Sets the RF source to be swept at a fixed offset fre- quency above the receiver as required in a swept RF/IF, fixed LO, mixer test.

Service menu

Select the desired service test, service diagnostic, ser- vice or verification mode.

Test sequences

Description

Create, edit, save or recall a series of front-panel key- strokes to automate a measurement. Test sequences may contain basic stimulus and measurement func- tions (frequency, power, parameter, format, scale) advanced operations (time domain, limit testing, dis- play marker values) and basic logical branching (IF limit test fails DO sequence 5 or GOSUB).

Storage

Test sequences can be stored internally to a disk drive and can be loaded from a computer over the GP-IB interface. Sequence 6 is saved in nonvolatile storage and can be used as an autostart routine when titled AUTO.

General purpose input/output

Read or write bits to the output port to control exter- nal devices such as part handlers. Eight output and five input TTL lines are available on the parallel port.

Other functions

PAUSE/continue, wait, title sequence, print sequence, duplicate sequence, pause and select.

Time-domain (Option 010)

With the time-domain option, data from transmission or reflection measurements in the frequency domain are converted to the time domain using a Fourier transformation technique (chirp Z) and presented on the display. The time-domain response shows the mea- sured parameter value versus time. Markers may also be displayed in electrical length (or physical length if the relative propagation velocity is entered).

Time stimulus modes

Two types of time excitation stimulus waveforms can be simulated during the transformations, a step and an impulse.

• Low-pass step

This stimulus, similar to a traditional time-domain reflec- tometer (TDR) stimulus waveform, is used to measure low-pass devices. The frequency-domain data should extend from DC (extrapolated value) to a higher value.

• Low-pass impulse

This stimulus is also used to measure low-pass devices.

• Bandpass impulse

The bandpass impulse stimulates a pulsed RF signal (with an impulse envelope) and is used to measure the time-domain response of band-limited devices.

Windows

The windowing function can be used to modify (filter) the frequency-domain data and thereby reduce over- shoot and ringing in the time-domain response. Three types of windows are available: minimum, normal, and maximum.

Gating

The gating function can be used to selectively remove reflection or transmission time-domain responses. In converting back to the frequency-domain the effects of the responses outside the gate are removed.

Remote programming

Interface

HP-IB interface operates to IEEE 488-1978 and IEC 625 standards and IEEE 728-1982 recommended prac- tices.

Addressing

The GP-IB address can be verified or set from the front panel via the local menu and can range from 0 to 30 decimal (factory set at 16).

Pass control

Allows the HP 8753ET/ES to request control of the GP-IB (when an active controller is present) whenever it needs to output to a plotter or printer.

System controller

Lets an HP 8753ET/ES become a controller on the GP-IB to directly control a plotter or a printer.

Talker/listener

Lets the HP 8753ET/ES become an GP-IB talker/listen- er when an external controller is present.

Transfer formats

Binary (internal 48-bit floating-point complex format) ASCII 32- or 64-bit IEEE 754 floating-point format

User-accessible graphics

Using a subset of HP Graphics Language (HP-GL), vector or text graphics may be written on the

HP 8753ET/ES via GP-IB. Up to 5 kbytes of data can be stored at one time (4 bytes per vector, 2 bytes per character).

Interface function codes

SH1, AH1, T6, TE0, L4, LE0, SR1, RL1, PP0, DC1, DT0, C1, C2, C3, C10, E2

19

Page 18 Page 20
Page 19
Image 19
HP 8753ET Remote programming, Test sequences, Time-domain Option, This stimulus is also used to measure low-pass devices
Page 18 Page 20

8753ET specifications

The HP 8753ET is a sophisticated vector network analyzer designed to meet the demands of RF and microwave engineering applications. This instrument is renowned for its ability to provide high-performance measurements in a compact form factor, making it a favorite among engineers and technicians alike.

One of the main features of the HP 8753ET is its ability to perform a wide array of network analysis functions. It supports S-parameter measurements, allowing for the characterization of the linearity and performance of RF circuits. With the ability to measure reflection, transmission, and impedance characteristics, users can gain deep insights into their device under test (DUT).

An essential aspect of the HP 8753ET is its frequency range capability. It typically covers frequencies from 300 kHz to 6 GHz, which is ideal for a vast range of applications, including telecommunications, radar, and electronic warfare.

The HP 8753ET is equipped with advanced analysis features such as time-domain reflectometry (TDR) and gating capabilities. This enables engineers to identify and analyze impedance mismatches and faults over a defined time window, helping to troubleshoot and optimize RF systems effectively.

Another notable technology integrated into the HP 8753ET is its user-friendly interface that combines an easy-to-navigate display with direct access to measurement functions. This minimizes the learning curve for new users while enhancing productivity for experienced professionals.

The analyzer also supports various calibration techniques, ensuring accurate and repeatable measurements. The built-in calibration kits help improve the reliability of the results while compensating for any systematic errors associated with the test setup.

Additional characteristics of the HP 8753ET include its capability for both single-port and two-port measurements. This versatility allows users to conduct a complete array of S-parameter measurements with confidence.

Furthermore, the HP 8753ET features a storage function that allows users to save and recall measurement setups and results. This capability streamlines workflows and provides easy access to historical data for review or further analysis.

Ultimately, the HP 8753ET stands out as an essential tool for engineers in the RF and microwave domain. Its combination of high-performance measurement capabilities, an intuitive interface, and flexibility makes it a preferred choice for anyone seeking reliable and thorough network analysis in their testing and development projects.
Top Page Image Contents