Stanford DS335 Function Generator
3 MHz (Distributed only in Germany.)
Specifications in Brief
| Frequency Range | ||
|---|---|---|
| Freq | Resolution | |
| Sine | 3.1 MHz | 1 mHz |
| Square | 3.1 MHz | 1 mHz |
| Ramp | 10 kHz | 1 mHz |
| Triangle | 10 kHz | 1 mHz |
| Noise | 3.5 MHz | (Gaussian weighting) |
| Output | ||
| Source impedance | 50 W | |
| Grounding | Output may float up to ± 40 V (AC+DC) | |
| Amplitude | ||
| Range | 50 mVpp to 10 Vpp (50 W), 100 mVpp to 20 Vpp (High Z) | |
| Resolution | 3 digits (DC offset = 0 V) | |
| Offset | ± 5 VDC (50 W), ± 10 VDC (High Z) | |
| Offset resolution | 10 mV (50 W), 20 mV (High Z) | |
| Accuracy | 0.1 dB (sine output) | |
| Sine Wave | ||
| Spurious response | <-65 dBc | |
| 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 3 MHz | <-40 dBc | |
| Phase noise | <-60 dBc (30 kHz band centered on carrier) | |
| Square Wave | ||
| Rise/Fall time (10 to 90 %) | 15 ± 5 ns | |
| Asymmetry | 3 ns+1 % | |
| Overshoot | <5 % | |
| Ramps and Triangles | ||
| Rise/Fall time (10 to 90 %) | 100 ± 20 ns | |
| Linearity | ± 0.1 % of full scale | |
| Settling Time | 200 ns (0.5 % of final value) | |
| FSK Modulation | ||
| Modes | Internal, External | |
| Max rate | 50 kHz Internal | |
| External FSK | Input sampled every 25 ns | |
| Sweeps | ||
| Type | Linear and logarithmic | |
| Type span | Linear (full frequency range), log (6 decades) | |
| Sweep rate | 0.01 Hz to 1 kHz | |
| Timebase accuracy | ||
| Standard | ± 5 ppm (20 to 30 °C) | |
| Optional | TCXO, 2 ppm stability, 2 ppm aging (20 to 50 °C) | |
| Connectors | ||
| Front panel | ||
| FUNC | Function output | |
| SYNC | TTL level into 50 W | |
| Rear panel | ||
| FSK input | TTL | |
| SWP/FSK out | TTL | |
| General | ||
| Interfaces | Optional RS-232 (300 to 9600 Baud, DCE) and GPIB. All instrument functions are controllable over the interfaces. | |
| Non-volatile | Up to 9 sets of instrument settings may be stored and recalled | |
| Dimensions | 8.5 " × 3.5 " × 13 " (W × H × L) | |
| Weight | 8 lbs | |
| Power | 22 W, 100/120/220/240 VAC 50/60 Hz | |
| Warranty | One year parts and labor on any defects in material or workmanship. | |
