Stanford Research DS335 Function Generator

Rent the Stanford Research Systems DS335 Function Generator

The Stanford Research Systems DS335 Function Generator is an essential tool for engineers and researchers looking for a reliable and versatile function generator. With a frequency range from 1 µHz to 3.1 MHz, this unit leverages Direct Digital Synthesis (DDS) technology to deliver exceptional performance at an attractive price point. It's optimized for general benchtop or Automated Test Equipment (ATE) applications, making it a popular choice among professionals.

Key Features

• Frequency Range: 1 µHz to 3.1 MHz with 1 µHz resolution
• Waveforms: Generates sine, square, ramp, triangle, and Gaussian white noise
• Phase Continuous Sweeps: Logarithmic and linear frequency sweeps are available
• FSK Modulation: Internal and external modes allow rapid toggling between preset frequencies
• Output Capability: 10 Vpp into 50 Ω (20 Vpp into high-impedance load)
• Control Interfaces: RS-232 and GPIB options allow for complete computer control of all functions

Detailed Specifications

Frequency Range

• Sine & Square Wave: Maximum frequency of 3.1 MHz, 1 µHz resolution
• Ramp & Triangle Wave: Maximum frequency of 10 kHz, 1 µHz resolution
• Noise: Frequency range up to 3.5 MHz, Gaussian weighted

Output Specifications

• Source Impedance: 50 Ω
• Amplitude Range: 50 mVpp to 10 Vpp (50 Ω); 100 mVpp to 20 Vpp (High-Z)
• DC Offset: ±5 VDC (50 Ω), ±10 VDC (High-Z) with 3 digit resolution
• Accuracy: 0.1 dB for sine output

Waveform Characteristics

• Sine Wave: Phase noise and harmonic distortion are optimized for low spurious responses.
• Square Wave: Fast rise/fall times and minimal overshoot ensure crisp transitions.
• Ramps and Triangles: 100 ns rise/fall times, ±0.1% linearity, and settling time of 200 ns.

FSK Modulation

• Modes: Internal and external
• Maximum Rate: 50 kHz for internal; TTL input for external up to 1 MHz

Sweep Capabilities

• Sweep Types: Linear and logarithmic sweeps with phase continuity
• Sweep Rate: Adjustable from 0.01 Hz to 1 kHz

General Specifications

• Timebase Accuracy: ±5 ppm (20°C to 30°C), TCXO option for improved stability
• Memory: Stores up to nine sets of instrument settings for quick recall
• Power Requirements: 22 W, compatible with 100/120/220/240 VAC at 50/60 Hz