The Rohde & Schwarz CMA180 is a portable radio test set that combines RF signal generation, analysis, and digital standard support across 0.1 MHz to 3000 MHz. It delivers measurement capabilities for development, production, and field service of analog and digital communication devices through integrated spectrum analysis, arbitrary waveform generation, and audio testing.
Technical Specifications
Frequency Coverage and Signal Generation
• Frequency range: 0.1 MHz to 3000 MHz
• RF bandwidth: 20 MHz
• Frequency resolution: 1 Hz
• Output level uncertainty: <0.2 dB (<0.1 dB typical) between +20 °C and +35 °C without overranging
• Receiver signal floor: −140 dBm
• Maximum input power: 150 W peak, 100 W continuous
Modulation Support
• Analog modes: CW, AM, FM, PM, SSB
• Digital standards: DMR, P25, NXDN, TETRA, POCSAG, Zigbee
• Avionics: ILS, VOR, Marker Beacon generator, VoIP ED-137B/C
Signal Generation
• Arbitrary waveform generator: 1 Gbyte or 4 Gbyte memory, up to 20 MHz RF bandwidth
• I/Q recorder sample rate: minimum 500 Hz
• Audio generators: dual-tone simultaneous output, 0 Hz to 21 kHz multitone range
Analysis Capability
• Spectrum analyzer spans: 10 kHz to 20 MHz (FFT), user-defined, or full span
• Zero span mode for time-domain transient and burst analysis
• Tracking generator for RF component response measurement
• AF analyzer: SINAD, THD, SNR measurement
Power and Connectivity
• AC supply: 110 V to 250 V
• DC supply: 10 V to 30 V
• Optional battery pack for portable operation
• Power consumption: 85 W
• Interfaces: RF, AF, LAN, USB, DVI, GPIB, SPDIF
• Compatible with R&S NRP-Zxx and NRT-Z power sensors
– Key Features
• Compact form factor for portable field deployment
• Integrated tracking generator and spectrum analyzer in single unit
• I/Q recording and playback for signal capture and re-transmission
• Dual independent audio generators for modulation or stand-alone output
• Remote control via LAN or GPIB
– Typical Applications
Receiver and transmitter validation across DMR, P25, NXDN, TETRA, and POCSAG networks; avionics system testing; RF component characterization; field service and maintenance.
– Compatibility & Integration
Supports external power sensors (R&S NRP-Zxx, NRT-Z series), USB and GPIB instrument control, and audio I/O via analog or digital SPDIF ports.
