Specifications
vi
Triangle, Ramp, Arbitrary:
±3% > 5Vpp
±5% < 5Vpp
DC OFFSET
Range:
±5V (limited such that |V
ac peak
| + |V
dc
|
≤
5 V)
Resolution:
3 digits (VAC = 0)
Accuracy:
1.5% of s 0.2 mV (DC only)
±0.8 mV to ±80 mV depending on AC and DC settings
WAVEFORMS
Sinewave Spectral Purity
Spurious:
-45 dBc (non-harmonic, typ.)
Phase Noise:
-55 dBc in a 30 KHz band centered on the carrier, exclusive of discrete
spurious signals (typ.)
Subharmonic:
< -50 dBc
Harmonic Distortion: Harmonically related signals will be less than:
Level
Frequency Range
< -55 dBc
< -45 dBc
< -35 dBc
< -25 dBc
DC to 100 KHz
.1 to 1 MHz
1 to 10 MHz
10 to 30 MHz
Square Wave
Rise/Fall Time:
< 15 nS (10 to 90%), at full output
Asymmetry:
< 1% of period + 4nS
Overshoot:
< 5% of peak to peak amplitude at full output
Ramps, Triangle and Arbitrary
Rise/Fall Time
35 nS (10 MHz Bessel Filter)
Linearity
±0.5% of full scale output
Settling Time
< 1
µ
s to settle within 0.1% of final value at full output
Arbitrary Function
Sample Rate:
40 MHz/N, N = 1 to 2
34
-1.
Memory Length:
8 to 16,300 points
Resolution:
12 bits (0.025% of full scale)
PHASE
Range:
±7199.999° with respect to arbitrary starting phase
Resolution:
0.001°
AMPLITUDE MODULATION
Source:
Internal (sine, square, triangle, or ramp) or External
Depth:
0 to 100% AM or DSBSC
Rate:
0.001 Hz to 10 kHz internal, 20 kHz max external
Distortion:
< -35dB at 1kHz, 80% depth
Summary of Contents for DS345
Page 2: ......
Page 5: ...DS345 Synthesized Function Generator iii...
Page 20: ...Introduction 2 4...
Page 64: ...Programming Commands 3 14...
Page 72: ...Program Examples 3 22...
Page 78: ...Troubleshooting 4 6...
Page 82: ...Performance Tests 5 4...
Page 101: ...Calibration 6 10...
Page 109: ...Arbitrary Waveform Composer 7 8...
Page 117: ...DS345 Circuitry 8 8...
