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Anritsu 373XXA manual Display Capabilities, Distance 0.1 ∝ m SWR 1 pU Power 0.05 dB

Models: 373XXA

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APPENDIX D

PERFORMANCE SPECIFICATIONS

other five. Markers can be directed automatically to the minimum or maximum of a data trace.

Enhanced Markers: Marker search for a level or band- width, displaying an active marker for each channel, and discrete or continuous (interpolated) markers.

Marker Sweep: Sweeps upward in frequency between any two markers. Recalibration is not required during the marker sweep.

Limit Lines: Either single or segmented limit lines can be displayed. Two limit lines are available for each trace. Single Limit Readouts: Interpolation algorithm deter- mines the exact intersection frequencies of test data and limit lines.

Segmented Limit Lines: A total of 20 segments (10 up- per and 10 lower) can be generated per data trace. Com- plete segmented traces can be offset in both frequency and amplitude.

Test Limits: Both single and segmented limits can be used for PASS/FAIL testing. The active channel’s PASS or FAIL status is indicated on CRT after each sweep. In addi- tion, PASS/FAIL status is output through the rear panel I/O connector as selectable TTL levels (PASS=0V, FAIL=+5V, or PASS=+5V, FAIL=0V).

Tune Mode: Tune Mode optimizes sweep speed in tun- ing applications by updating forward S-parameters more frequently than reverse ones. This mode allows the user to select the ratio of forward sweeps to reverse sweeps after a full 12-term calibration. The ratio of forward sweeps to reverse sweeps can be set anywhere between 1:1 to 10,000:1.

DISPLAY CAPABILITIES

Display Channels: Four, each of which can display any S-parameter or user defined parameter in any format with up to two traces per channel for a maximum of eight traces simultaneously. A single channel, two channels (1 and 3, or 2 and 4), or all four channels can be displayed simulta- neously. Channels 1 and 3, or channels 2 and 4 can be overlaid.

LCD: Color, 8.5-inch diagonal.

Trace Color: The color of display traces, memory, text, markers and limit lines are all user definable.

Trace Overlay: Displays two data traces on the active channel’s graticule simultaneously. The overlaid trace is displayed in yellow and the primary trace is displayed in red.

Trace Memory: A separate memory for each channel can be used to store measurement data for later display or subtraction, addition, multiplication or division with current measurement data.

Scale Resolution (minimum):

Log Magnitude: 0.001 dB/div

Linear Magnitude: 1 pU

Phase: 0.01o

Group Delay: 0.001 ps

Time: 0.001 ms

Distance: 0.1 ∝ m

SWR: 1 pU

Power: 0.05 dB

Autoscale: Automatically sets Resolution and Offset to fully display measurement data.

Reference Position: Can be set at any graticule line.

Annotation: Type of measurement, vertical and horizon- tal scale resolution, start/stop or center/span frequencies, and reference position.

Blank Frequency Information: Blanking function re- moves all references to displayed frequencies on the CRT. Frequency blanking can only be restored through a system reset or GPIB command.

MEASUREMENT ENHANCEMENT

Data Averaging: Averaging of 1 to 4096 averages can be selected. Averaging can be toggled on/off with front panel button. A front panel button turns data averaging on/off, and a front panel LED indicates when averaging is active.

Video IF Bandwidth: Front panel button selects four levels of video IF bandwidth. MAXIMUM (10 kHz), NOR- MAL (1 kHz), REDUCED (100 Hz) and MINIMUM (10 Hz). Trace Smoothing: Functions similarly to Data Averaging but computes an average over a percentage range of the data trace. The percentage of trace to be smoothed can be selected from 0 to 20% of trace. Front panel button turns smoothing on/off, and front panel LED indicates when smoothing is active.

SOURCE CONTROL

Frequency Resolution: 1 kHz (1 Hz standard on RF units and optional on Microwave units - Option 10A) Source Power Level: The source power (dBm) may be set from the 373XXA front panel menu or via GPIB. Refer to Level Control Range table on next page.

In addition, the port 1 power may be attenuated in 10 dB steps, using the internal 70 dB (60 dB for 37397A) step at- tenuator. Similarly, high input signals into port 2, not ex- ceeding 1 watt, can be attenuated up to 40 dB, using the internal port 2 step attenuator.

Power Accuracy: ￿0.5 dB at 2 GHz at default power.

Power Meter Correction: The 373XXA offers a user-selectable feature that corrects for test port power variations and slope (on Port 1) using an external Hewle- tt-Packard 437B or Anritsu ML8403 power meter. Power meter correction is available at a user-selectable power level, if it is within the power adjustment range of the inter- nal source. Once the test port power has been flattened, its level may be changed within the remaining power ad- justment range of the signal source.

Set-On Receiver Mode: The 373XXA can be configured to measure the relative harmonic level of test devices with Set-On Receiver Mode capability. The 373XXA’s unique

373XXA MM

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Anritsu 373XXA manual Display Capabilities, Distance 0.1 ∝ m SWR 1 pU Power 0.05 dB
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373XXA specifications

The Anritsu 373XXA series is a notable line of microwave and RF signal analyzers designed for comprehensive analysis and testing of various wireless communication technologies. These analyzers are specifically crafted to meet the demands of modern communication systems, making them ideal for engineers and technicians working in wireless research, development, and manufacturing.

One of the main features of the Anritsu 373XXA series is its wide frequency range, which typically spans from as low as 5 kHz to several GHz, accommodating a vast array of signal types and applications. This extensive frequency coverage allows users to test and validate all manner of systems, from LTE and 5G networks to satellite communications, yielding accurate and reliable measurement results.

The device employs advanced measurement technologies that provide in-depth analysis capabilities. Among these technologies is the ability to perform both time and frequency domain measurements, allowing users to visualize and diagnose signal integrity issues effectively. In addition, the 373XXA series incorporates vector signal analysis, which is crucial in evaluating complex modulated signals, commonly found in today’s sophisticated wireless communication protocols.

Another distinguishing characteristic of the Anritsu 373XXA is its user-friendly interface. It features a large, high-resolution display that enables easy navigation through the analyzer's functions and measurements. The intuitive design is further enhanced by customizable settings and measurement configurations that streamline the workflow, making it accessible for both novice and experienced users.

The 373XXA series also supports various digital and analog signal demodulation techniques, ensuring compatibility with an array of communication standards. Furthermore, users can benefit from its built-in signal generation capabilities, which allows for end-to-end testing of devices and systems under realistic operational conditions.

Portability is another key feature of the Anritsu 373XXA series. The compact design and lightweight structure facilitate easy transport, which is particularly advantageous for field applications where mobility is critical.

Overall, the Anritsu 373XXA series stands out as a versatile and powerful tool for professionals in the RF and microwave field, thanks to its extensive frequency range, advanced measurement technologies, user-friendly interface, and portability. Whether developing new wireless standards or troubleshooting existing systems, the 373XXA delivers precision and reliability essential for today’s dynamic communication landscape.