On Sale! Tektronix NetTek Analyzer Y350C w YBA250 RF Module –

On Sale! Tektronix NetTek Analyzer Y350C w YBA250 RF Module –

Click for Product Info and Updated Pricing

Tektronix Y350C Cable Antenna RF

Tektronix Y350C NetTek Analyzer MainFrame
YBA250 RF Antenna Tester Module With Option 88 Installed

Frequency Range: 25 MHz to 2.5 GHz

Includes Hard Carrying Case And Accessories As Listed Above!

Y350 Y350-C YBA 250

YBA250 RF Antenna Tester Module

Features & Benefits

Improve Quality of Service Through Preventative Maintenance Activities On Antennas, Before They Become Service-affecting
Quickly Analyze the Most Important Antenna and Transmission Line Problems
Easy-to-Use Distance-to-Fault (DTF) Measurements for Locating Antenna and Transmission Line Trouble
Advanced Calibration Technique Speeds and Simplifies Your Measurements by Allowing a Single Calibration for Use Across Entire Frequency Range
Modular Instrument for Handheld NetTek Y400, Which Allows for Easy Future Expansion for New Functions


Return Loss/VSWR/Cable Loss Measurements for Antenna and Transmission Line Analysis
Distance-to-Fault (DTF) Measurements for Locating Problems
Maintenance and Installation Checks
Insertion Gain/Insertion Loss Measurements

Affordable, Portable, Ready for the Field
Antenna and Transmission Line Analyzer for Wireless Communications Systems

The Tektronix NetTek Analyzer is a revolutionary portable BTS field tool. The YBA250 test module tailors this system for fast identification of base station antenna and transmission line trouble, and easy location of those faults. The YBA250 test module offers this capability at a surprisingly low price, in a rugged, easy-to-use package, suitable for all field environments.
Return Loss/VSWR

The YBA250 antenna test module allows you to quickly analyze the system using either Return Loss or VSWR. Comparisons against initial conformance tests enable users to easily identify degradation in system performance. Viewing the frequency response vs. channel tables for various standards provides easier interpretation of how the problem may be affecting performance.

Cable Loss

Cable loss can be measured using a simple, single port technique. This makes use of the Cable Loss feature of the YBA250. This feature allows measuring cable loss while connected to only one end of the cable. This is useful when access to the other end of the cable is difficult.

Distance-to-Fault (DTF)

The YBA250 test module helps locate antenna and transmission line faults quickly and easily. Using the Distance-to-Fault (DTF) capability, users are able to identify problem areas and their location. The YBA250’s interface provides access to multiple cable types and easier setup of DTF parameters for faster troubleshooting.

CW Mode

The YBAS250 can be used as a sine wave, or continuous wave (CW) source. This is useful for many different trouble shooting applications.

Easy to Use

The NetTek BTS field tool is based around the familiar Windows CE operating system. As a result, users will spend less time learning the instrument and more time troubleshooting the network. The YBA250 test module puts measurement functions just a point of the finger away. Furthermore, built-in help guides speed the measurement process.

Common measurements have been optimized for quick, repeatable results. For example, novice users can display Distance-to-Fault results with straightforward Windows-like zoom and resize controls.

To further minimize troubleshooting time and improve effectiveness, users can control the YBA250’s accuracy and resolution to optimize measurement results. For easier interpretation of these results, the YBA250 also enables user-defined masks to qualify antenna performance. This provides faster analysis and allows users to share masks and results.

Tektronix Y350C

Advanced Calibration

By using Tektronix’ expert factory calibration program, the YBA250 speeds up and simplifies the troubleshooting process. By enabling users to reference a single calibration across the entire frequency range, we have eliminated antiquated calibration procedures each time the frequency or display range is changed.
Insertion Loss and Insertion Gain

System and RF component performance can be easily analyzed with the two port insertion loss or insertion gain capability of the YBA250, when used in combination with a YBT250. This capability allows measurements of cable, connector, and attenuator loss. It also allows measurements of filters, duplexers, RF path gain, amplifiers, antenna isolation, and many other general purpose RF measurements.

The Insertion Loss and/or Insertion Gain capability also allows measurements of Tower Mounted Amplifiers (TMAs, or receiver preamplifiers) while the TMA is still on the tower. Caution: Please check your country’s laws regarding transmitters before using the NetTek to transmit a test signal

The Modules and the Platform

Modules such as the YBA250 can then be attached to the back. Several types of modules can be attached at once. A variety of modules and options allows you to tailor the instrument to service the standards and interfaces for use in your network.

The modular design also means that the instrument can easily be upgraded. New measurements or standards can be added with software upgrades, or with additional modules.


YBA250 Antenna and Transmission Line Analyzer Module
Operation Modes – Return Loss/VSWR/Cable Loss.
Distance-to-Fault (DTF)
Measurement Characteristics
Return Loss/VSWR – Range:
Return Loss – 0.00 to 54.00 dB.
VSWR – 1.00 to 65.00.



Return Loss – 0.01 dB.
VSWR – 0.01.

Factory Calibration – =1.2 dB, typical (from 0 °C to 40 °C up to 2.5 GHz, measuring a 17 dB returnloss.)

User Calibration – <0.05 + |20 log (1±10[(RLrel)/20])|dB, typical. Where RLrel is the measured return loss value minus the calibration return loss value. Return loss measurement accuracy is dependent on the quality of the calibration standards used. Tektronix recommends the use of a YBAC1 calibration kit or equivalent.

CW Mode –

The YBA250 can be used as a sine wave, or continuous wave (CW) source which is useful for many different trouble shooting applications.

Distance-To-Fault (DTF) – Vertical Range:
Return Loss – 0.00 to 54.00 dB.
VSWR – 1.00 to 65.00.

Distance Range: 0 to 1486*Vrel m. Where Vrel is the signal velocity in the line with respect to the speed of light.

Resolution: =6.1*Vrel cm at a distance of 200 meters, across frequency range up to 2.5 GHz.

Accuracy: Timing accuracy is equal to ±75 ppm. Distance accuracy varies with uncertainty in the velocity of propagation of the measured cable, along with the uncertainty of the timing accuracy.

Inputs/Outputs – Frequency Range: 25 MHz to 2.5 GHz.
Signal Source Setting: +3 dBm, -20 dBm, -30 dBm, -40 dBm, -50 dBm, -60 dB.
Input Level: +20 dBm (maximum safe input).
Interference Immunity: +11 dBm.
RF Connector: 50 O, type N.
Insertion Loss/Insertion Gain *1 –
Frequency Range: 30 MHz to 2.5 GHz.
Signal Source settings +3 dBm, -20 dBm, -30 dBm, -40 dBm, -50 dBm, -60 dBm.
Accuracy (Typical):

User Normalization.

1.0 dB when VSWR of device being tested is below 1.5.
0.5 dB when cable VSWR is below 1.15.
Valid when YBAC2 Normalization kit (or equivalent) is used.
Resolution: 0.01 dBm
*1 A YBT250 is required for Insertion Loss or Insertion Gain measurements.

General Characteristics

Temperature – Operating: 0 °C to 50 °C.
Nonoperating: -40°C to +60°C.
Altitude – Operating: Up to 15,000 ft. (4,550 m).
Nonoperating: Up to 50,000 ft. (12,192 m).
Humidity – 5% to 95% up to 30 °C.
Calibration – 1 year cycle.
Physical Characteristics

Dimensions mm in.
Weight kg lbs.
Height 187 7.375
Width 241 9.5
Depth 32 1.25
Net 1.0 2.2

Condition: Refurbished / Calibrated
Warranty: 90 Day Exchange


Tektronix NetTek Analyzer Mainframe Y350C
Tektronix NetTek YBA250 RF Antenna Tester Module w/ Option:
-OPT 88
Anritsu 15NN50-1.5C Armored Test Port Cable
Anritsu 34NN50A 50 Ohm Adapter
(2) 7/16 Din Female To 7/16 Din Female Connectors
(2) 7/16 Din Female To N Male Connectors
7/16 Din Male To N Female Connector
7/16 Din Male To 7/16 Din Female Connector
N Female To N Female Connector
AC Adapter / Charger
Power Cord
RS232 PC Interface Cable
User Manual On CD-ROM
Hard Carrying Case

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Tektronix NetTek Analyzer Y350C Spec Sheet


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