Stanford DS340 Synthesized Function Generators
(Distributed only in Germany.)
Specifications
| Frequency Range | |||
|---|---|---|---|
| Freq | Resolution | ||
| Sine | 15.1 MHz | 1 µHz | |
| Square | 15.1 MHz | 1 µHz | |
| Ramp | 100 kHz | 1 µHz | |
| Triangle | 100 kHz | 1 µHz | |
| Noise | 10 MHz | (Gaussian weighting) | |
| Arbitrary | 10 MHz | 40 MHz/n sample rate | |
| Output | |||
| Source impedance | 50 Ω | ||
| Grounding | Output may float up to ±40 V (AC + DC) | ||
| 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) | ||
| 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) | ||
| 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 | ||
