Rohde & Schwarz
Rohde & Schwarz CMD50
100 kHz – 3 GHz Rango de frecuencia
50 Ω Impedancia de entrada
+47 dBm (50 W) Nivel máximo de entrada
1 Hz Resolución de frecuencia
± 0,5 dB Incertidumbre de nivel
| Atributo | Valor |
|---|---|
| Rango de frecuencia | 100 kHz – 3 GHz |
| Impedancia de entrada | 50 Ω |
| Nivel máximo de entrada | +47 dBm (50 W) |
| Resolución de frecuencia | 1 Hz |
| Incertidumbre de nivel | ± 0,5 dB |
| Rango dinámico | hasta 90 dB |
| Modos de medición | Potencia, frecuencia, modulación AM/FM/PM, distorsión |
| Interfaz de control | IEEE 488 (GPIB), RS-232 |
| Tensión de alimentación | 100 – 240 V AC, 50/60 Hz |
| Dimensiones (An × Al × Pr) | 426 mm × 177 mm × 450 mm |
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 |
|---|
El Rohde & Schwarz CMD50 es un comprobador de radiocomunicaciones digitales diseñado para sistemas GSM y DECT. Con un rango de frecuencia de 800 a 1000 MHz, soporta modulación GMSK, generación de señales y mediciones de potencia hasta +47 dBm. Su diseño modular es ideal para I+D, producción y servicio.
Permite control remoto vía GPIB o RS-232, con bajo error de fase y puede manejar hasta cuatro señales simultáneas.
Testwall puede suministrar el Rohde & Schwarz CMD50 usado, completamente probado. Con soporte experto y entrega global, Testwall garantiza instrumentación de alto rendimiento con fiabilidad y calidad de servicio insuperables. Contáctanos si necesitas calibración o reparación del Rohde & Schwarz CMD50.
