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SMIQ03E

Rohde & SchwarzSignal

The Rohde & Schwarz SMIQ03E is a high-performance vector signal generator belonging to the renowned SMIQ family. Designed to cover a frequency range from 300 kHz to 3.3 GHz, it is optimized for mobile communication design, base station testing, digital video systems, and wideband CDMA development. It features versatile analog and digital modulation capabilities, an optional internal fading simulator, and a highly stable internal reference oscillator.

RF and MicrowaveSignal GenerationWireless Communications

Specifications

Frequency

ParameterValue
Minimum Frequency300 kHz
Maximum Frequency3.3 GHz
Frequency Resolution0.1 Hz

Output

ParameterValue
Maximum Output Power13 dBm
Output Power Range-144 dBm to +13 dBm

Modulation

ParameterValue
ModulationAM, FM, Phase, Pulse, Digital I/Q
Sweep ModesLinear, Logarithmic, List

General

ParameterValue
Reference Oscillator10 MHz external reference input; internal reference stability 1e-6/year
InterfacesGPIB (IEEE 488.2), RS-232, External I/Q inputs/outputs
DisplayBacklit Graphic LCD
Warm-Up Timeapprox. 10 min (30 min for oven-controlled reference oscillator)

Physical

ParameterValue
Power Supply100 V to 240 V AC, 47 Hz to 440 Hz
Dimensions (W×H×D)435 mm × 192 mm × 460 mm
Weight< 18 kg

Frequency Specifications

ParameterValue
Frequency Range300 kHz to 3.3 GHz
Frequency Switching Speed< 10 ms
Internal Reference Aging Rate1 x 10^-6 per year
External Reference Frequency10 MHz

Amplitude Specifications

ParameterValue
Minimum Output Power-144 dBm
Power Resolution0.1 dB
Output Impedance50 Ohm

Spectral Purity

ParameterValue
Harmonics-30 dBc
Non-Harmonics-60 dBc

Analog Modulation

ParameterValue
External Modulation InputsYes

Vector Modulation and Baseband

ParameterValue
Universal Modulation CoderSupported / Included
Fading SimulatorSupported / Integrated capability

System Connectivity and Interfaces

ParameterValue
Primary Remote InterfacesGPIB (IEEE-488.2), RS-232
RF Output ConnectorN-type (female), 50 Ohm

Power Requirements

ParameterValue
Line Voltage Range100 V to 240 V AC
Line Frequency Range47 Hz to 440 Hz

Physical and Environmental Specifications

ParameterValue
Operating Temperature Range0 °C to +55 °C
Rack Unit Height4 RU

Vector Modulation

ParameterValue
I/Q Modulation Bandwidth (3 dB)> 60 MHz
Static Error Vector (RMS)< 1 % (at 2 GHz, 1 Msymb/s QPSK, typical < 0.5 %)
Carrier Leakage< -40 dBc (typical < -50 dBc)
I/Q Image Suppression> 40 dB

Amplitude Modulation

ParameterValue
AM Depth Range0 % to 100 %
AM Distortion< 1 % (at 1 kHz, m = 30 %)

Frequency Modulation

ParameterValue
FM Distortion< 0.1 % (at 100 kHz deviation, f_mod = 1 kHz)

Pulse Modulation

ParameterValue
Pulse Modulation On/Off Ratio> 80 dB
Pulse Rise/Fall Time< 20 ns

Level Accuracy

ParameterValue
Level Error< 0.5 dB (for levels > -120 dBm, f < 2 GHz)

Power

ParameterValue
Power Consumptionapprox. 250 VA (fully equipped)

Modulation Source

ParameterValue
Internal LF Generator WaveformsSine, triangle, square, trapezoid, noise
Internal LF Generator Frequency Range (Sine)0.1 Hz to 1 MHz
Internal LF Generator Frequency Range (Other Waveforms)0.1 Hz to 50 kHz
Internal LF Generator Frequency Resolution0.1 Hz
LF Output Voltage Range1 mV to 4 V (peak, open circuit)

Environmental

ParameterValue
Storage Temperature Range-40 °C to +70 °C

Compliance

ParameterValue
EMC/EMI ComplianceMeets EN 55011 Class B, EN 50082-1
Safety ComplianceMeets EN 61010-1

Inputs & Outputs

ParameterValue
LF Output ConnectorBNC female, front panel

Technology

RF Vector Signal Generator

Applications

Mobile communication testing, Wideband CDMA development, Base station testing, Fading simulation

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