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Description: The CMD55 is capable of testing GSM900, GSM1800 (formerly named PCN orDCS1800), and GSM1900 (formerly named PCS or DCS1900) mobile phones. The testers range of capabilities includes all signalling, generator and measurement functions required to verify the correct operation of the DUT (Device Under Test). Thanks to its fast go/nogo tests and accurate analysis using optional extensions, it is well suited for R&D, production and high-end service and production.
This unit has the following features:
Mobile synchronization
Location update
Incoming call setup
Outgoing call setup
Mobile power level control
Handover (channel change, timeslot change)
Peak power measurement
High dynamic range burst analyzer
Spectrum due to Switching measurement
Spectrum due to Modulation measurement
Timing Advance measurement
SACCH measurement (eg RxLev, RxQual, power level)
Echo test
Call clearing by mobile phone
Call clearing by CMD
DC current/voltage measurements
Phase and frequency error measurement
Measurement of power ramping as a function of time
Bit-error rate (BER) and Fast BER measurement
This unit has the following options installed:
CMD-B3 = Reference Frequency Inputs/Outputs: synchronization to internal or external frequency (2.048,10, 13.26, 52 MHz) or GSM bit clock (270.8 kHz) 1 to 13 MHz, input signal min. 0 dBm, max. TTL signal
CMD-B4 = Fast Power Ramp, Phase/Frequency Error and BER Measurement: numeric/graphic display, various BER, RBER, FER test routines
CMD-B41 = AF Measurement Unit with Frequency Counter: comprises AF generator, voltmeter, distortion meter and frequency counter, measurements up to 60 MHz
CMD-B42 = High-Dynamic Burst Analysis: dynamic range > 72 dB
CMD-B43 = GSM900/1800/1900-Specific Measurement of spectra due to switching/modulation
CMD-B44 = Multitone Generator and Analyzer: Comprehensive audio tests up to 8460 Hz
CMD-B52 = Universal Speech Codec
CMD-B6 = Adapter for CMD-B6.. Options
CMD-B61 = IEEE 488 Bus Interface
CMD-B62 = Memory Card Interface
CMD-B9 = 2nd RF-Synthesizer
CMD-B19 = GSM 1900/PCS 1900
This unit has Software Version: 4.03 installed.
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