DS335 Synthesized Function Generator

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vi Specifications 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): Phase Noise: Subharmonic: ≤ -65 dBc to 1 MHz ≤ -55 dBc to 3.1 MHz ≤ -60dBc in a 30 KHz band centered on the carrier, exclusive of discrete spurious signals ≤ -70 dBc Harmonic Distortion: Harmonically related signals will be less than: Level ≤ -60 dBc ≤ -50 dBc ≤ -40 dBc Frequency Range DC to 100 KHz .1 to 1 MHz 1 to 3.1 MHz Square Wave Rise/Fall Time: Asymmetry: Overshoot: < 15 nS ±5 nS (10 to 90%), at full output < 1% of period + 3 nS < 5% of peak to peak amplitude at full output Ramps and Triangle Rise/Fall Time Linearity Settling Time 100 ±20 nS (3.5MHz Bessel Filter) ±0.1% of full scale output < 200 ns to settle within 0.5% of final value at full output FREQUENCY SWEEP Type: Waveform: Rate: Span: Linear or Log, phase continuous Up, down, up-down, single sweep 0.01 Hz to 1 kHz 1 µHz to 3.1 MHz (10 kHz for triangle or ramp) FREQUENCY-SHIFT KEYING (FSK) Type: Waveform: Rate: Shift Span: External: Internal rate or External control, phase continuous Sine, Square, Triangle, Ramp 0.01 Hz to 50 kHz (internal) 1 µHz to 3.1 MHz (10 kHz for triangle or ramp) TTL input, 1MHz maximum DS335 Synthesized Function Generator
Specifications vii SYNC & SWP/FSK OUTPUTS SYNC: SWP/FSK: TTL level, active with all functions TTL level, synchronous with internal Sweeps and FSK rates TIMEBASE GENERAL Accuracy ±25 ppm (0 to 70° C) Aging 5 ppm/year Optional Timebase Type: Temperature Compensated Crystal Oscillator Stability: +/- 2.0 ppm, 0 to 50°C Aging: 5 ppm first year, 2 ppm per year thereafter Interfaces RS232-C (300 to 9600 Baud, DCE) and GPIB. All instrument functions can be controlled over the interfaces. Weight 8 lbs. Dimensions 8.5" x 3.5" x 13" (W x H x L) Power 25 Watts, 100/120/220/240 Vac 50/60 Hz DS335 Synthesized Function Generator
Page 1 and 2: MODEL DS335 Synthesized Function Ge
Page 3 and 4: Table of Contents i Table of Conten
Page 5 and 6: Safety and Preparation for Use iii
Page 7: Specifications v SPECIFICATIONS FRE
Page 11 and 12: Abridged Command List ix Abridged C
Page 13 and 14: Getting Started 1-1 Getting Started
Page 15 and 16: Introduction 2-1 Introduction to Di
Page 17 and 18: Introduction 2-3 amplitude. The pos
Page 19 and 20: Features 2-5 Front Panel Features 1
Page 21 and 22: Features 2-7 Rear Panel Features 1)
Page 23 and 24: Function Setting 2-9 DS335 OPERATIO
Page 25 and 26: Function Setting 2-11 Vpp Vrms Func
Page 27 and 28: Sweeps & FSK 2-13 FREQUENCY SWEEPS
Page 29 and 30: Sweeps & FSK 2-15 External Frequenc
Page 31 and 32: DS335 Setup 2-17 INSTRUMENT SETUP I
Page 33 and 34: Programming Commands 3-1 PROGRAMMIN
Page 35 and 36: Programming Commands 3-3 parameters
Page 37 and 38: Programming Commands 3-5 *TRG The *
Page 39 and 40: Programming Commands 3-7 Hardware T
Page 41 and 42: Programming Commands 3-9 6 URQ Set
Page 43 and 44: Programming Examples 3-11 Program E
Page 45 and 46: Programming Examples 3-13 EXAMPLE 2
Page 47 and 48: Troubleshooting 4-1 TROUBLESHOOTING
Page 49 and 50: Troubleshooting 4-3 rate is 9600 ba
Page 51 and 52: Performance Tests 4-5 PERFORMANCE T
Page 53 and 54: Performance Tests 4-7 4) Increase t
Page 55 and 56: Performance Tests 4-9 2) Read the A
Page 57 and 58: Performance Tests 4-11 HARMONIC DIS
Page 59 and 60:
Performance Tests 4-13 DS335 PERFOR
Page 61 and 62:
Calibration 4-15 CALIBRATION Introd
Page 63 and 64:
Calibration 4-17 Now the post ampli
Page 65 and 66:
Calibration 4-19 NECESSARY EQUIPMEN
Page 67 and 68:
Circuitry 5-1 DS335 Circuit Descrip
Page 69 and 70:
Circuitry 5-3 System DAC and S/H's
Page 71 and 72:
Circuitry 5-5 Output Filters (DS335
Page 73 and 74:
Circuitry 5-7 Power Supplies (DS335
Page 75 and 76:
DS335 Component Parts List 5-9 Powe
Page 77 and 78:
DS335 Component Parts List 5-11 REF
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DS335 Synthesized Function Generator

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