Rohde & Schwarz
Rohde & Schwarz CMD50
100 kHz to 3 GHz Frequency Range
-60 dBm to +37 dBm RF Power Measurement Range
GSM, CDMA, AMPS, DAMPS, PDC, PHS, DECT, CT2 Modulation Standards Supported
50 Ohm RF Impedance
1 Hz Frequency Resolution
| Attribute | Value |
|---|---|
| Frequency Range | 100 kHz to 3 GHz |
| RF Power Measurement Range | -60 dBm to +37 dBm |
| Modulation Standards Supported | GSM, CDMA, AMPS, DAMPS, PDC, PHS, DECT, CT2 |
| RF Impedance | 50 Ohm |
| Frequency Resolution | 1 Hz |
| Audio Frequency Range | 20 Hz to 20 kHz |
| Display Type | Color LCD with graphical user interface |
| Interface / Connectivity | IEEE 488 (GPIB), RS-232 |
| Power Supply | 100 V to 240 V AC, 50/60 Hz |
| Operating Temperature Range | 0 °C to +45 °C |
Rohde & Schwarz CMD50 Options:
- CMD50 - CMD-B1 - OCXO reference oscillator, aging ±1 x 10⁻⁷. Ensures high absolute accuracy, minimum temperature-dependent drift and especially high long-term stability.
- CMD50 - CMD-B2 - High-stability OCXO, aging 3.5 x 10⁻⁸. Oven crystal with highest long-term stability. Ensures compliance with tolerances specified by GSM.
- CMD50 - CMD-B3 - Multifrequency reference input/output. For synchronizing DUT and measuring instrument with internal or external frequencies.
- CMD50 - CMD-B4 - Fast power ramp, phase/frequency error & BER measurement. Provides fast testing and numeric/graphic display of power bursts and phase/frequency error as well as various BER, RBER and FER test routines.
- CMD50 - CMD-B41 - Includes audio frequency (AF) generator, voltmeter, distortion meter and frequency counter. Requires CMD-B4.
- CMD50 - CMD-B42 - High dynamic range burst analyzer. Enhances the dynamic range to more than 72 dB. Requires CMD-B4.
- CMD50 - CMD-B43 - GSM measurements of spectrum due to switching and modulation according to GSM recommendations. Requires CMD-B4 and CMD-B42.
- CMD50 - CMD-B44 - Audio multitone option based on DSP techniques. Generates and measures up to 14 tones in about one second. Requires CMD-B4 and CMD-B41.
- CMD50 - CMD-B20 - GSM-specific voltage and current measurement. Allows readings to be taken in synchronicity with the GSM pulsed mode.
- CMD50 - CMD-B6 - Adapters for B6x options. Provides GSM-specific signals and trigger signals on the multifunction connector at the front of the instrument.
- CMD50 - CMD-B61 - IEEE 488 bus interface. Remote control alternative to the RS-232-C interface. Requires CMD-B6.
- CMD50 - CMD-B62 - Memory card interface. Allows storage of instrument setups and fast and easy upgrade to new software features. Requires CMD-B6.
- CMD50 - CMD-K43 - Narrowband spectrum analyzer. Used for narrowband spectrum analysis (i.e. adjustments of I/Q modulators). Requires CMD-B4.
- CMD50 - CMD-K80 - Frequency extension option. Additional frequency range R-GSM. Requires CMD-U10.
- CMD50 - CMD-U1 - Upgrade to GSM multiband functionality. Conversion of CMD50 into CMD53.
- CMD50 - CMD-U10 - 8 MByte memory extension for CPU1 or CPU2. Allows use of advanced software features such as GSM dual-band handover and fast BER measurement.
- CMD50 - CMD-U13 - 10 dB higher sensitivity at RF input/output N connector. RF input level range −10 dBm to +37 dBm instead of 0 dBm to +47 dBm. Only for GSM signals.
- CMD50 - CMD-U18 - Output level of −15 dBm for RF input/output N connector. RF out 2 becomes non-functional, RF in/out 6 dB more sensitive. Only for GSM signals.
- CMD50 - CMD-U5 - GSM time synchronization signal and demodulated I and Q signals copied from multifunction connector to three BNC connectors at the rear panel.
| Model | CMD50 |
|---|
The Rohde & Schwarz CMD50 is a comprehensive digital radiocommunication tester designed for GSM and DECT systems. Featuring a frequency range from 800 to 1000 MHz, it supports GMSK modulation, signal generation, and peak power measurements up to +47 dBm. With optional spectrum and audio analysis, its modular design suits R&D, production, and service applications.
It supports remote control via GPIB or RS-232, has low phase error, fast switching, and can handle up to four simultaneous signal sources for complex multi-signal testing.
Testwall can supply the used Rohde & Schwarz CMD50, fully tested. With expert support and global delivery, Testwall ensures high-performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the Rohde & Schwarz CMD50.
