Stanford DS345 Function & Arbitrary Waveform Generator

(Distributed only in Germany.)

Specifications in Brief

Frequency Range
FreqResolution
Sine30.2 MHz1 mHz
Square30.2 MHz1 mHz
Ramp100 kHz1 mHz
Triangle100 kHz1 mHz
Noise10 MHz(Gaussian weighting)
Arbitrary10 MHz40 MHz/n sample rate
Output
Source impedance50 W
GroundingOutput may float up to ± 40 V (AC + DC) relative to earth ground.
Amplitude
Range0.01 to 10 Vpp (50 W ), 20 Vpp (Hi-Z)
Resolution3 digits (DC offset = 0 V)
Sine wave accuracy
(0V DC Offset)
1 mHz-100 kHz100 kHz-20 MHz20 MHz-30.2 MHz
5 to 10 Vpp± 0.2 dB± 0.2 dB± 0.3 dB
0.01 to 5 Vpp± 0.4 dB± 0.4 dB± 0.5 dB
Square Wave Accuracy
1 mHz-100 kHz 100 kHz-20 MHz 20 MHz-30.2 MHz
5 to 10 Vpp± 3 %± 6 %± 12 %
0.01 to 5 Vpp± 5 %± 8 %± 15 %
Triangle, Ramp, Arbitrary Accuracy
± 3 % (>5 Vpp)
± 5 % (<5 Vpp)
DC Offset
Range± 5 V (limited such that |VAC peak| + |VDC| <5 V)
Resolution3 digits (VAC = 0)
Accuracy1.5 % of setting + 0.2 mV (DC only)
± 0.8 mV to ± 80 mV depending on AC and DC settings
Sine Wave
Spurious components<-55 dBc (non-harmonic)
Phase Noise<-50 dBc in a 30 KHz band centered on the carrier, exclusive of discrete spurious signals
Subharmonic<-50 dBc
Harmonic distortionHarmonically related signals will be less than:
LevelFrequency Range
<-55 dBcDC to 100 kHz
<-45 dBc0.1 to 1 MHz
<-35 dBc1 to 10 MHz
<-25 dBc10 to 30 MHz
Square Wave
Rise/Fall time<15 nS (10 to 90 %), at full output
Asymmetry<1 % of period + 4 nS
Overshoot<5 % of peak to peak amplitude at full output
Ramps, Triangle and Arbitrary Waveforms
Rise/Fall time35 ns (10 MHz Bessel filter)
Linearity± 0.5 % of full scale output
Settling time<1 ms to settle within 0.1 % of final value at full output
Arbitrary Waveforms
Sample rate40 MHz/N, N = 1 to 234-1
Memory length8 to 16,300 points
Resolution12 bits (0.025 % of full scale)
Phase
Range± 7199.999 ° with respect to arbitrary starting phase
Resolution0.001 °
Amplitude Modulation
SourceInternal (sine, square, triangle, or ramp) or External
Depth0 to 100 % AM or DSBSC
Rate0.001 Hz to 10 kHz internal, 15 kHz max external
Distortion<-35 dB at 1 kHz, 80 % depth
DSB carrier<-35 dB typical at 1 kHz modulation rate (DSBSC)
External input± 5 V for 100 % modulation, 100 kW impedance, 15 kHz BW
Frequency Modulation
SourceInternal (sine, square, triangle, ramp or arbitrary)
Rate0.001 Hz to 10 kHz
Span1 mHz to 30.2 MHz (100 kHz for triangle, ramp)
Phase Modulation
SourceInternal (sine, square, triangle, ramp)
Rate0.001 Hz to 10 kHz
Span± 7199.999 °
Frequency Sweep
TypeLinear or Log, phase continuous
WaveformUp, down, up-down, single sweep
Time0.001 s to 1000 s
Span1 mHz to 30.2 MHz (to 100 kHz for triangle, ramp)
MarkersTwo markers may be set at any sweep point (TTL output)
Sweep output0 to 10 V linear ramp signal, synchronized to sweep
Burst Modulation
WaveformAny waveform except noise may be burst modulated
FrequencySine, square to 1 MHz; triangle, ramp to 100 kHz; arbitrary to 40 MHz sample rate
Count1 to 30,000 cycles/burst (1ms to 500 s burst time limits)
Trigger Generator
SourceSingle, Internal, External, Line
Rate0.001 Hz to 10 kHz internal (2 digit resolution)
ExternalPositive or negative edge, TTL input
OutputTTL output
Standard Timebase
Accuracy± 5 ppm (20 to 30 °C)
Aging5 ppm/year
Input10 MHz/N ± 2 ppm. N = 1 to 8. 1 Vpp minimum input level
Output10 MHz, >1 Vpp sine into 50 W
Optional Timebase
TypeOvenized AT-cut oscillator
Stability<0.01 ppm, 20 to 60 °C
Aging<0.001 ppm/day
Allan variance (1 s)<5x10-11
General
InterfacesOptional RS-232 (300 to 9600 Baud, DCE) and GPIB with DOS based
ArbitraryWaveform Software. All instrument functions are controllable over the interfaces.
Dimensions8.5 " × 3.5 " × 13 " (W × H × L)
Weight10 lbs
Power50 W, 100/120/220/240 VAC, 50/60 Hz
WarrantyOne year parts and labor on any defects in material and workmanship.