The Rohde & Schwarz AM300 is a dual-channel Arbitrary/Function Waveform Generator designed for high functionality and spectral purity. Featuring a 100 MSa/s sampling rate, 14-bit vertical resolution, and 256K-point waveform memory per channel, it excels in generating high-quality, low-distortion analog signals for lab, production, and service applications.

Specifications

General

ParameterValue
InterfacesUSB
Display3.5" color TFT LCD (320 × 240 pixels)

Physical

ParameterValue
Power Supply100 V to 240 V AC (±10%), 50 Hz to 60 Hz
Operating Temperature+5 °C to +40 °C
Dimensions (W×H×D)222 mm × 140 mm × 324 mm
Weight3.2

Channel Characteristics

ParameterValue
Number of Channels2
Channel CouplingPrecise phase-coupled channels
Phase RelationPrecise phase relation between signals
I/Q Signal GenerationSupports generation of analog I/Q signals for RF modulator input (e.g. R&S SM300)

Waveform Generation

ParameterValue
Standard WaveformsSine, triangle, ramp, exponential, square, noise, pulse
Sampling RateUp to 100 MSa/s
Vertical Resolution14 Bit
Waveform Memory Capacity256K-point (262,144 points) per channel
Software SupportWaveform Composer Software

Frequency Specifications

ParameterValue
Sine Frequency RangeUpper limit 35 MHz
Square Frequency RangeUpper limit 25 MHz

Modulation, Sweep, and Burst

ParameterValue
Modulation TypesAM, FM, φM, FSK, PSK
Sweep FunctionSupported
Burst FunctionSupported
Gate FunctionSupported

Amplitude and Output Characteristics

ParameterValue
Output Impedance50 Ω

Output Characteristics

ParameterValue
Output Amplitude Range10 mVpp to 10 Vpp (into 50 Ω), 20 mVpp to 20 Vpp (open circuit)
DC Offset Range±5 V (into 50 Ω), ±10 V (open circuit)
Square Rise/Fall Time< 12 ns

Frequency Characteristics

ParameterValue
Pulse Frequency Range100 µHz to 25 MHz
Triangle/Ramp Frequency Range100 µHz to 500 kHz
Frequency Resolution100 µHz

Inputs & Outputs

ParameterValue
External Reference Input10 MHz
Sync Outputs2 × BNC (rear panel), TTL-compatible
External Trigger Input1 × BNC (rear panel), TTL-compatible
External Reference Input Frequency10 MHz
External Modulation Inputs2 × BNC (rear panel), 10 kOhm input impedance, ±2.5 V full scale

Environmental

ParameterValue
Storage Temperature Range-25 °C to +70 °C
Operating Altitudeup to 2000 m
Warm-up Time20 minutes

Signal Specifications

ParameterValue
Arbitrary Waveform Length4 to 262,144 points
Sine Wave Distortion (THD)< -60 dBc (typical at 1 MHz, 1 Vpp)
Sine Wave Spurious (non-harmonic)< -70 dBc (typical at 1 MHz, 1 Vpp)
Phase Noise<-115 dBc/Hz (at 10 kHz offset, 10 MHz carrier)
Pulse Width Range15 ns to 999 s
Pulse Width Resolution10 ns or 4 digits

Power Requirements

ParameterValue
Nominal Input Voltage100 V to 240 V AC (±10%)
Input Frequency Range47 Hz to 63 Hz
Maximum Power Consumption40 VA

Technology

Arbitrary Waveform Generator (AWG)

Applications

Lab, production, and service testing; analog I/Q signal generation for RF modulation