Rohde & Schwarz CMD57

CMD57 Rohde & Schwarz Communication Analyzer

Digital Radio Communication Tester

The CMD57 is a communication analyzer from Rohde & Schwarz. A communication analyzer is a superior type of electronic test equipment for physical layer, circuit, and new technology testing. Anyone in the business of testing data networks can use a communication analyzer for the measurement and monitoring of equipment.

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Rohde & Schwarz CMD57 Features:

  • Wide dynamic range: >72 dB
  • High measurement speed: 60 s for spectrum due to modulation
  • Sinalling software: Call setup by means of RF signalling
  • Mobile-to-base station synchronization
  • Location update
  • Incoming call setup
  • Outgoing call setup
  • Mobile power level control
  • Handover (channel change, timeslot change)
  • Dual-band handover
  • Peak power measurement
  • SACCH measurement (eg RxLev, RxQual, power level)
  • Echo test
  • Call clearing by mobile
  • Call clearing by network
  • DC current/voltage measurement
  • Phase and frequency error measurement (option CMD-B4)
  • Measurement of power ramp as a function of time (option CMD-B4)
  • Bit-error rate (BER) measurement (option CMD-B4)

The R&S CMD57 is capable of testing GSM1800 (formerly named PCN orDCS1800) and GSM1900 (formerly named PCS or DCS1900) mobile phones. This model combines small dimensions with high measurement accuracy and speed. The testers range of capabilities includes all signaling, generator and measurement functions required for verifying the correct operation of the DUT (Device Under Test).

Thanks to its fast go/nogo tests and accurate analysis using optional extensions, the CMD57 is equally well suited for R&D, production and high-end service and production. Based on the wide-range know-how of Rohde & Schwarz in digital radiocommunication testing, which not least was obtained in developing type-approval test systems such as the GSM900 and GSM1800 system simulators, the CMD model is a  top-grade tester for present and future measurement applications.

Rohde & Schwarz CMD57 - Option Descriptions

Option Item Description
B1 OCXO reference oscillator
B19 GSM1900 mobile and base station test
B2 High-stability OCXO
B3 Multifrequency reference input/output
B41 Includes audio frequency (AF) generator, voltmeter, distortion meter and frequency counter
B5 Speech Codec
B6 Adapters for B6x options, provides GSM specific signals and trigger signals
B61 IEC/IEEE 488-bus interface
B62 Memory card interface,allows storage of instrument setups and fast and easy upgrade to new software
B7 Abis Interface
B8 Test Mobile Functionality
B9 2nd RF Synthesizer
K30 Signalling Software
U1 Upgrade to GSM multiband functionality
U3 Modification Kit High-Level 2nd RF Output (11dBm)
U5 GSM time synchronization signal and demodulated I and Q signals
U11 Ciphering Capability
U12 Signalling Extension
K10 Expands ROhde & Schwarz EMC32-EB EMI measurement software to provide test sequences for fully automatic testing.
K43 EGPRS classic (EDGE) signaling test software
B4 DSP Measurement
B42 High Dynamic Burst Analysis
B43 Spectrum Measurement