Stanford DS340 Synthesized Function Generators

Distributed only in Germany
This is a discontinued product
More Information? Please contact us.
  • Overview

Key Facts

The DS340 is a 15 MHz function and arbitrary waveform generator based on Direct Digital Synthesis (DDS).

Features Collapsed

  • 1 µHz to 15.1 MHz frequency range
  • 1 µHz frequency resolution
  • Sine, square, ramp, triangle & noise
  • Phase-continuous frequency sweeps

Specifications

Frequency Range
Model/Resolution 1 µHz  Freq
Sine 15.1 MHz
Square 15.1 MHz

Key Facts

The DS340 is a 15 MHz function and arbitrary waveform generator based on Direct Digital Synthesis (DDS). A combination of features, performance and low cost make the DS340 ideal for a variety of test and measurement applications.

Since waves and square waves can be generated at frequencies up to 15.1 MHz, and ramps and triangles up to 100 kHz. Frequency resolution is 1 µHz for all functions. The DS340 also includes a 10 MHz Gaussian white-noise generator.

Up to 16,300 arbitrary waveform points can be downloaded to the DS340's waveform memory via the optional GPIB or RS-232 interfaces.

Sales Region only Germany

For Stanford power supplies please see PS310, PS325, PS350.

Features & Benefits

  • 1 µHz to 15.1 MHz frequency range
  • 1 µHz frequency resolution
  • Sine, square, ramp, triangle & noise
  • Phase-continuous frequency sweeps
  • 16,300 point arbitrary waveforms
  • FSK modulation
  • RS-232 and GPIB interfaces (opt.)

Specifications

Output
Source impedance 50 Ω
Grounding Output may float up to ±40 V (AC + DC)
Sine wave
Spurious response -65 dBc to 1 MHz (increasing by 6 dB/oct above 1 MHz)
Harmonic distortion
DC to 20 kHz ‹-70 dBc
20 kHz to 100 kHz ‹-60 dBc
100 kHz to 1 MHz ‹-50 dBc
1 MHz to 15 MHz ‹-40 dBc
Phase noise ‹-55 dBc (30 kHz band centered on carrier)
Amplitude
Range 50 mVpp to 10 Vpp into 50 Ω,
100 mVpp to 20 Vpp into Hi-Z
Resolution 3 digits (DC offset = 0 V)
Offset ± 5 VDC (50 Ω)
± 10 VDC (Hi-Z)
Offset resolution 3 digits
Accuracy 0.1 dB (sine output)
Square Wave
Rise/fall time ‹15 ns ± 5 ns (10 % to 90 %)
Asymmetry ‹3 ns + 1 % of period
Overshoot ‹2 % (full-scale output)
Ramps and Triangles
Rise/fall time 45 ns (10 MHz Bessel filter)
Linearity ± 0.1 % of full scale
Settling time 200 ns (0.5 % of final value)
Arbitrary Waveforms ,
Sample rate 40 MHz or integer sub-multiples
Waveform length 8 to 16,300 points
Vertical resolution 12 bits
Rise/fall time 45 ns (10 MHz Bessel filter
FSK Modulation
Modes Internal, External
Max. rate 50 kHz, internal
External FSK TTL input, 1 MHz (max.)
Sweeps
Type Linear and logarithmic (phase continuous)
Span Linear (full frequency range), log (6 decades)
Sweep rate 0.01 Hz to 1 kHz
Timebase Accuracy
Standard ±5 ppm (20 °C to 30 °C)
Optional TCXO, 2 ppm sability, 2 ppm againg (20 °C to 50 °C)
General
Interfaces Optional RS-232 and GPIB with DOS based arbitrary waveform software (AWC). All instrument functions can be controlled over interfaces
Non-volatile memory Up to nine sets of instrument settings can be stored and recalled
Dimensions 8.5 " x 3.5 " x 13 " (WHD)
Weight 8 lbs.
Power 35 W, 100/120/220/240 VAC, 50/60 Hz
Warranty One year parts and labor on any defects in material and workmanship.
Ordering information
DS 340 15 MHz function/arb. generator
Option 01 GPIB, RS-232 and arb. software
Option 02 2 ppm TCXO timebase
O345RMD Double rack mount kit
O345RMS Single rack mount kit
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