Stanford Research Systems DS335, User Manual

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vi Specifications
DS335 Synthesized Function Generator
DC OFFSET
Range: ±5V into 50
Ω
(limited such that | V
ac peak
| + |V
dc
|
≤
5 V)
±10V into hi-Z (limited such that | V
ac peak
| + |V
dc
|
≤
10 V)
Limitation: |V
dc
|
≤
2xVpp in all cases
Resolution: 3 digits
Accuracy: 1.2% of setting (DC only)
±0.8 mV to ±80 mV depending on AC and DC settings
WAVEFORMS
Sinewave Spectral Purity
Spurious (non-harmonic):
≤
-65 dBc to 1 MHz
≤
-55 dBc to 3.1 MHz
Phase Noise:
≤
-60dBc in a 30 KHz band centered on the carrier,
exclusive of discrete spurious signals
Subharmonic:
≤
-70 dBc
Harmonic Distortion: Harmonically related signals will be less than:
Level Frequency Range
≤
-60 dBc
DC to 100 KHz
≤
-50 dBc
.1 to 1 MHz
≤
-40 dBc
1 to 3.1 MHz
Square Wave
Rise/Fall Time: < 15 nS ±5 nS (10 to 90%), at full output
Asymmetry: < 1% of 3 nS
Overshoot: < 5% of peak to peak amplitude at full output
Ramps and Triangle
Rise/Fall Time 100 ±20 nS (3.5MHz Bessel Filter)
Linearity ±0.1% of full scale output
Settling Time < 200 ns to settle within 0.5% of final value at full output
FREQUENCY SWEEP
Type: Linear or Log, phase continuous
Waveform: Up, down, up-down, single sweep
Rate: 0.01 Hz to 1 kHz
Span: 1
µ
Hz to 3.1 MHz (10 kHz for triangle or ramp)
FREQUENCY-SHIFT KEYING (FSK)
Type: Internal rate or External control, phase continuous
Waveform: Sine, Square, Triangle, Ramp
Rate: 0.01 Hz to 50 kHz (internal)
Shift Span: 1
µ
Hz to 3.1 MHz (10 kHz for triangle or ramp)
External: TTL input, 1MHz maximum