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Cell Master MT8212B Maintenance Manual

This manual provides maintenance instructions for the Cell Master Model MT8212B Cable, Antenna and Base Station Analyzer. It describes the product and provides performance verification procedures, parts replacement procedures, and a replaceable parts list.

Maintenance Manual pdf 5.0 MB Version: D 11/18/2013

TD-SCDMA/HSDPA Base Station Troubleshooting Guide

Utilize Anritsu's Handheld BTS Master MT8222A/21B, Cell Master MT8212E/13E or Spectrum Master MS2721B/23B/24B with Options 38/60/61.

Troubleshooting Guides pdf 1.5 MB Version: D 1/1/2010

GSM/GPRS/EDGE Base Station Troubleshooting Guide

Utilize Anritsu's BTS Master MT8222A/21B, Cell Master MT8212E/13E or Spectrum Master MS2721B/23B/24B with Options 40/41.

Troubleshooting Guides pdf 1.7 MB Version: C 10/29/2008

Cell Master MT8212B User Guide

An Integrated, Handheld Multi-function Base Station Test Tool for Greater Flexibility and Technician Productivity.

User Guide pdf 5.2 MB Version: J 3/20/2007

Cell Master MT8212B Programming Manual

Programming Manual for the Cell Master - Cable, Antenna and Base Station Analyzer.

Programming Manual pdf 957.8 KB Version: C 6/29/2006

By Document Type

Anritsu Software Tool Box (Full Installer)

The Anritsu Software Tool Box contains tools to help you make the most of your Anritsu RF Handheld Instruments. This installer may not require internet access while running. See the software tools pages for details. Anritsu Software Tool Box includes Line Sweep Tools, Master Software Tools, Wireless Remote Tools, easyTest Tools, and easyMap Tools. This stand-alone installer will download all Anritsu software needed to install your chosen PC Tools software, and do so all in one file. This is ideal if you will be doing the installation on a computer without internet access. Windows 7, Windows 8 or Windows 10 computers may still need internet access to download the Microsoft .NET 3.5 suite of support files.

Drivers Software Downloads exe 388.8 MB Version: 1.18 4/10/2019

Anritsu Software Tool Box (Web Installer)

The Anritsu Software Tool Box contains tools to help you make the most of your Anritsu RF Handheld Instruments. This installer requires internet access while running. See the software tools pages for details. Anritsu Software Tool Box includes Line Sweep Tools, Master Software Tools, Wireless Remote Tools, easyTest Tools, and easyMap Tools.

Drivers Software Downloads exe 401.0 KB Version: 1.09 1/9/2018

Updating Legacy Anritsu Handheld Instrument Firmware

This document provides an overview of the firmware update process using Anritsu’s Master Software Tools (MST). For detailed information about Master Software Tools, refer to the Help menu > Help Contents. For detailed information on the firmware update process refer to the User Guide for your Anritsu handheld instrument.

Drivers Software Downloads pdf 383.0 KB Version: C 7/31/2017

Download Handheld Software Tools

Handheld Software Tools V6.61 (Release date: December 21, 2007) Handheld Software Tools has been replaced by Line Sweep Tools and will receive no further updates. Visit the Line Sweep Tools (LST) information page to learn more. Visit the Handheld Software Tools (HHST) information page for quick access to additional drivers, features, version history, etc.

Drivers Software Downloads exe 7.9 MB 12/21/2007

By Product Category

Does the MT8212B Cell Master require GPS when building CDMA PN searches?

Yes, the Cell Master MT8212B does require GPS to do in building CDMA PN searches.  This requirement is not due to limitations in the test equipment but is driven by the CDMA technology which requires a sync source.

The MT8212A supports GSM measurements, does it support UMTS measurement?

The MT8212A does not support UMTS measurements.

The Cell Master supports GSM, does it also support UMTS or WCDMA?

No the Cell Master does not support UMTS.

I input a known frequency and power level to my Cell Master's MT8212B SPA RF input. When I am in Power Meter (Internal)mode (Option 29), why are my readings incorrect?

Verify that the following settings are correct on your MT8212B Cell Master and that the settings are the ones which you want. Please follow the following steps to check which settings are on:

1) Press the (Amplitude)hardkey at the bottom of the unit. At the bottom of the screen, it gives a status for (Offset,Relative,and Zero Adj.) Verify that all three of these settings are in the (OFF) mode, unless they should be turned on by the user.

2)Is Relative Mode ON? If YES: was this setting purposefully turned on by the user? If this setting should be on, then go to step 2. If the setting was not supposed to be on, turn it off by pressing the (Amplitude)hardkey on the bottom and then the Relative Mode (Rel) softkey on the right hand side of the unit. If the power meter reading is still incorrect, there may be an Offset turned on. To check this, please go to step 2. If NO: Go to step 2 to check the Offset setting.

3)Is there an Offset enabled? If YES: On the bottom of the screen, the value of the offset will be shown along with the word (On). If the user wanted to enable this offset, then go to Step 4. If this offset is not supposed to be enabled, the user can turn it off simply by pressing the (Offset)softkey on the right hand side of the screen. The offset should now say (Off)next to it. If NO: Go to step 3 to check if the unit is (Zeroed).

4)Ensure that the Zero Adjustment is at its proper state. Does (Zero Adj)have anything beside it on the screen? If YES: If Zero Adj states that it is enabled, and it was accidentally turned on it may give incorrect readings. Turn disable it, press the (Zero)softkey on the right hand side of the display. IF NO: There may be an issue with your unit. Please try to do an (ESC-ON) Reset of the unit. Other possible suggestions are faulty components that may have been used during the Power Meter calibration. Please contact your nearest Anritsu Field Service Office for support.

Does the T1 option on the MT8212B measure "clock slips"?

No, the MT8212B Cell Master T1 option does not measure "clock slips".

How do I execute a TMA sweep and gain measurement using a MT8212B Cell Master?

The steps are as follows: 1. Are you using a MT8212B for sure? Yes: Go to step 2. No: Use troubleshooting techniques for the equipment they are using. 2. Does the unit have the Bias Tee option (Option 10A)? Yes: Proceed to step 3 No: The test can only be performed if the customer is using an external Bias Tee to supply voltage to the amplifier. Not sure: Press SYS-->APPLICATION OPTIONS and verify BIAS TEE is shown on screen as an option. 3. Does the unit have the Transmission Measurement Option (Option 21)? Yes: Proceed to step 4. No: The test cannot be done. Not sure: Press MODE. Verify on screen that Transmission Measurement is listed on the screen. If it is, use the UP/DOWN soft key to scroll to Transmission Measurement and press ENTER. 4. Has the unit been calibrated for the Sweep/Gain test for the TMA? Yes: Go to step 5. No: or Not Sure: Find Frequency and Bias specification on the TMA, i.e. 1850-1910 MHz with a 12 volt bias requirement. Set the frequency range on the MT8212B to test the TMA as follows: Press the FREQ/DIST soft key --> Press the Start Freq soft key and enter start frequency (i.e. 1700MHz). Press the Stop Freq. soft key and enter the stop frequency (i.e. 2100MHz). Calibrate the unit by pressing MEAS/DISP>CALIBRATE TM and follow the on screen instructions to calibrate the unit. To execute the sweep/bias test connect, the RF Out port of the MT8212B to the Antenna port of the TMA. Connect the RF IN port of the MT8212B to the BTS port of the TMA. You should see a sweep going through the TMA. You may need to adjust the amplitude on the screen to see the top of the sweep. Turn on the BIAS TEE option to verify TMA gain. Press SYS>APPLICATION OPTIONS>BIAS TEE>BIAS TEE VOLTAGE and enter 12 for 12 Volts. (Voltage can be set from 12 to 24 volts depending on system parameters). Once voltage is set press the BIAS TEE ON/OFF soft key to apply voltage to the TMA and verify TMA performance. Important! In the above method you are connecting directly to the TMA. The RF Out of the Cell Master will saturate the amplifier, which will cause an erroneous measurement. External attenuation of RF Out is normally required for this measurement. The amount of attenuation depends upon the normal input levels to the TMA. The output power of the Cell Master is about -10dBm.

I left my MT8212B charging overnight while turned on. I checked the next morning and the battery charge was only 43%. The unit passes self test and the temperature of the unit reads 139 degrees F, is my battery bad?

If the battery temperature exceeds 45_ C while charging, the charging will stop and the charge indicator will turn off. Charging will resume automatically when the temperature drops below 45 deg. C. Your unit was reading 59 deg. C. Turn the unit off and resume charging. The battery should go to full charge after a few hours.

When I do a self test on a MT8212B I see an RTC battery test. What is the RTC battery?

The RTC is the internal real-time clock battery. A low or drained clock battery will affect the date stamp on saved traces. If condition persists, call your Anritsu Service Center.

Why is my power measurement reading on my Cell Master reading lower than it should?

The Cell Master's Internal Power Meter mode is based upon a spectrum analyzer measurement. When performing power measurements using the Internal Power Meter mode, it is important that the appropriate Signal Standard, Channel, and Span be set.

Why is the CDMA Power measured with my Cell Master read lower than it should?

If using the Internal Meter Mode to measure the channel power for it is important to set the Signal Standard to the appropriate standard and band. After doing this, you should set the channel to the channel being measured. This will set the span to the optimum setting. For CDMA, a more accurate power reading can be obtained by selecting the CDMA mode. Again, set the signal standard to the appropriate standard and band and set the channel to the desired channel. Read the power under Channel Power on the screen.

What is the difference in accuracy when comparing the Instacal module with the precision calibration tee?

The InstaCal has a specified directivity of 38 dB for frequencies below 3.5 GHz while the regular calibration tee provides >42 dB of directivity. The directivity is many times the largest contributor to measurement uncertainty and this difference between the two calibration techniques will affect the uncertainty. The difference in performance will be more prevalent the closer to the directivity you are. For instance, if you are making a return loss measurement of an antenna and the overall system return loss is 10 dB, the difference in performance will be less than 0.1 dB. If the overall return loss is 20 dB, then the OSLN50-1 tee will be at least 0.35 dB better than the ICN50 Instacal. In general, it is recommended to use the InstaCal when you are looking for a fast way to make the cal. If superior accuracy is of important, then the precision calibration tee is the best way to go.

How many satellites does the Cell Master try to synchronize with?

The Cell Master can synchronize with up to 12 satellites.

What is the difference between the internal power meter and the high accuracy power meter on the Handheld products?

The internal power meter is using the Spectrum Analyzer receiver to measure the channel power over a certain bandwidth. The high accuracy power meter uses an external RMS sensor which makes a broadband power measurement. The sensor provides better accuracy than the internal power meter and is also better suited for making accurate measurements of modulated signals. The main advantage of the internal power meter is that it allows you to make power measurements of specific channels and it can filter out anything outside the bandwidth you entered. The high accuracy sensor will add everything up that is in the path.

How can we use the Site Master to make antenna isolation measurements?

You need a 2-port measurement so you can send out a signal from a transmit antenna and monitor the signal coming in at the receive antenna. You can either use the S251C with its insertion loss mode or you can use the Site Master and Cell Master with its Transmission Measurement modes. The benefit of using the S251C is that the nominal output power is higher or about +6 dBm vs. about -10 dBm with Option 21. The further apart the antennas are, the lower the signal will be in the Rx antenna and for optimum dynamic range it is helpful to use max power level. When you make the measurement, you start out calibrating the instrument with a through cal (Option 21) or a 1-path 2-port cal (S251C insertion loss mode). When you connect a cable from the RF out to the RF in port of the Site Master, you should see a flat signal. When you then connect RF Out to a Tx antenna and RF in to a Rx antenna, you are essentially looking at how much power is going into the Rx antenna or the acutal isolation between the two. Depending on the system and the setup, the values will vary and you'll need to check with the system engineer to see what is recommended for your system.

When I'm using my MS2711D sometimes the noise floor changes value by 25 dB. Why is that?

The MS2711D, S332D and the MT8212B have a feature called "dynamic attenuation" that monitors the overall signal levels into the instrument and, if there are no strong signals it removes all input attenuation and turns on the preamplifier. When strong signals occur it immediately turns off the preamplifier and, if necessary adds input attenuation to avoid mixer saturation. The preamplifier has a gain of approximately 25 dB, which is why the noise floor changes by 25 dB when it is inserted or removed from the signal path.

Can the power level of the Signal Generator - MS2711D (With CW Generator Option) be changed remotely when you are programming the unit?

The power level of the signal generator(Option 28 for MS2711D-CW signal generator mode) can only be controlled by an external step attenuator. The step attenuator is a part of the CW Signal Generator kit (Anritsu part number 61534) that is needed for CW Signal Generator Mode. This kit also includes a splitter that feeds the signal into the instrument's RF input. The display of the MS2711D shows the output power and the frequency when the unit is set to Signal Generator Mode.

When I turn on Marker Noise, the detector changes to RMS, why is that?

The RMS detector is the best choice for noise measurements as it provides unbiased averaging of the signal.  This gives a stable answer (because of the averaging) and gives the correct answer (because it is "unbiased").  Contrast this to the peak detector, where the answer continually grows over time, and the Sample detector, which provides no averaging

What is the difference between an OSL calibration and FlexCal?

With the OSL calibration, you have to calibrate each time you change the frequency range. With the FlexCal, you can change the frequency range and you don't have to perform another calibration. FlexCal is great for troubleshooting purposes. The accuracy can be affected if your span is really narrow so for optimum accuracy, it is recommended to use the OSL calibration.