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srs DS360-200 kHz low distortion generator

简要描述:srs DS360-200 kHz low distortion generator

  • 产品型号:DS360
  • 厂商性质:经销商
  • 更新时间:2023-11-24
  • 访  问  量:724

详细介绍

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srs DS360-200 kHz low distortion generator

 

主要指标与说明The performance of a low distortion analog source and the precision of direct digital synthesis (DDS) is combined in the DS360. With less than 0.001 % total harmonic distortion (THD), 25 ppm frequency accuracy, and a broad range of features including sweeps and bursts, the DS360 is the ideal source for audio frequency applications

 

DS360 Function Generator10 mHz to 200 kHz range<-100 dBc distortion (to 20 kHz)Sine, square, white & pink noise20 μVpp to 40 Vpp output rangeLinear and log sweeps25 ppm frequency accuracy10 MHz reference inputBalanced & unbalanced outputsRS-232 and GPIBDS360 Low Distortion Function GeneratorThe performance of a low distortion analog source and the precision of direct digital synthesis (DDS) is combined in the DS360. With less than 0.001 % total harmonic distortion (THD), 25 ppm frequency accuracy, and a broad range of features including sweeps and bursts, the DS360 is the ideal source for audio frequency applications.Ultra-Low Distortion and Noise DS360 THD vs. Frequency (Hz)Unlike conventional RC oscillators, the DS360 uses digital signal processing and a precision 20-bit D/A converter to provide better than -100 dB distortion over the audio frequency range. With its DDS architecture the DS360 has the features and flexibility of a contemporary synthesized function generator. Careful shielding and board layout keep the output noise to a minimum, making the DS360 the instrument of choice for audio research and development, manufacturing, and automated testing.Frequency StabilityLow-distortion analog sources have impressive THD specifications but suffer with poor frequency accuracy and resolution. The DS360 delivers 0.0025 % frequency accuracy over its entire frequency range. It has 6-digit frequency resolution from 1 mHz to 200 kHz, and a steady 25 ppm frequency stability. You can actually dial in 123,456 Hz from the front panel and have it mean something!Waveforms DS360 THD+N vs. Frequency (Hz)The DS360 generates clean sine waves and square waves, as well as a two-tone signal for IMD testing. The two-tone signal is defined as either two sine waves, or a sine wave and a square wave. Both frequency and amplitude are independently set for the two waves allowing standard two-tone formats like SMPTE, DIM and CCIF to be generated. In addition to standard waveforms, the DS360 outputs white noise, pink noise and band-limited white noise.Audio OutputsAll functions and parameters are easily set using the front-panel keypad and spin knob. A wide variety of amplitude units including Vrms, Vpp, dBV, dBm and dBrel can be selected. Front-panel outputs including XLR, BNC and dual banana jacks assure compatibility with any system. The outputs can be configured as balanced or unbalanced, with amplitudes from 20.0 μVpp to 80.0 Vpp (balanced), and 10.0 μVpp to 40.0 Vpp (unbalanced). Chassis ground and output common banana jacks are also provided.

 

Sweeps and BurstsUnlike single frequency analog sources, the DS360 generates low-distortion frequency sweeps over its entire frequency range. Linear and log sweeps are set between 10 mHz and 200 kHz with sweep times between 0.3 ms and 100 s. Sweeps can be single-shot or repetitive, and the instrument can sweep both up and down in frequency. The DS360 provides outstanding amplitude flatness (0.5 % up to 20 kHz) during frequency sweeps, and has a TTL level sweep marker output for synchronizing external equipment.The DS360 also creates tone bursts of sine waves and square waves. The number of ON cycles, repetition rate, and the OFF amplitude level can all be adjusted. Sweeps and bursts may be triggered from the internal rate generator or an external trigger, or they can be externally gated.Computer ControlThe DS360 is designed for benchtop use as well as automated testing. With standard IEEE-488.2 (GPIB) and RS-232 interfaces, the DS360 is fully computer programmable-a feature seldom found in low-distortion sources. All instrument functions can be controlled or queried through the computer interfaces. DS360 Low Distortion Function GeneratorSineTHD (1 Vrms unbalanced, 2 Vrms balanced) (<5 kHz) -110 dB (typ.), -106 dB (max.) (5 to 20 kHz) -104 dB (typ.), -100 dB (max.) (20 to 40 kHz) -100 dB (typ.), -96 dB (max.) (40 to 100 kHz) -90 dB (typ.), -85 dB (max.) (100 to 200 kHz) -76 dB (typ.), -68 dB (max.)THD (10 Vrms unbalanced, 20 Vrms balanced) (<5.0 kHz) -109 dB (typ.), -105 dB (max.) (5 to 20 kHz) -103 dB (typ.), -99 dB (max.) (20 to 40 kHz) -98 dB (typ.), -93 dB (max.) (40 to 100 kHz) -88 dB (typ.), -83 dB (max.) (100 to 200 kHz) -76 dB (typ.), -68 dB (max.)SquareFrequency range 0.01 Hz to 200 kHzRise time 1.3 μsEven harmonics < -60 dBc (to 20 kHz)White NoiseBandwidth DC to 200 kHzFlatness <1.0 dB, 1 Hz to 100 kHzCrest factor 11 dBPink NoiseBandwidth 10 Hz to 200 kHzFlatness < 3.0 dB, 20 Hz to 20 kHz (measured using 1/3 octave analysis)Crest factor 12 dBBandwidth Limited NoiseBandwidth 100 Hz, 200 Hz, 400 Hz, 800 Hz, 1.6 kHz, 3.2 kHz, 6.4 kHz, 12.8 kHz, 25.6 kHz, 51.2 kHz, 102.4 kHzCenter frequency 0 Hz to 200.0 kHz (200 Hz increments)Flatness (in band) <1.0 dBCrest factor Baseband 12 dB (0 Hz center frequency) Non-baseband 15 dBTwo-ToneType Sine-sine, sine-squareSine frequency 0.01 Hz to 200 kHzSquare frequency 0.1 Hz to 5 kHzSquare resolution 2 digitsSFDR >90 dBSine or Square BurstOn cycles 1/2, 1 to 65534 cyclesRepetition rate 1 to 65535 cyclesTriggering Internal, external, single-shot, externally gatedOff level 0.0 % to 100.0 % (of on level)Off resolution 0.1 %Max. off attenuation -90 dBc (1 kHz)-70 dBc (10 kHz)-50 dBc (100 kHz)White or Pink Noise BurstOn time 10 μs to 599.9 sRepetition time 20 μs to 600 sTriggering Internal, external, single-shot, externally gatedOff level 0.0 % to 100.0 % (of on level)Resolution 0.1 %Sine or Square SweepType Linear or logarithmicRange 0.01 Hz to 200.000 kHzRate 0.1 Hz to 3.1 kHzResolution 2 digitsFlatness ±0.1 dB (1 %)

 

FrequencyResolution 6 digits or 10 mHz (whichever is greater)Accuracy 25 ppm (0.0025 %) + 4 mHz (20 °C to 40 °C)AmplitudeUnbalanced outputs 5.0 μVpp to 14.4 Vpp (50 Ω load)5.0 μVpp to 20.0 Vpp (600 Ω load)10.0 μVpp to 40.0 Vpp (Hi-Z load)Balanced outputs 10 μVpp to 28.8 Vpp (50 Ω load)10 μVpp to 28.8 Vpp (150 Ω load)10 μVpp to 40.0 Vpp (600 Ω load)20 μVpp to 80.0 Vpp (Hi-Z load)Resolution 4 digits or 1 μV, whichever is greater (Vpp or Vrms), 0.1 dB (dBm or dBV)Accuracy Sine, Square, 2-Tone ±0.1 dB (1 %) White Noise ±0.175 dB (2 %) Pink Noise ±0.35 dB (4 %)Broadband Noise<12.6 mVpp 12.6 mVpp to 126 mVpp126 mVpp to 1.26 Vpp1.26 Vpp to 40 Vpp <4 nV/√Hz<7.5 nV/√Hz<15 nV/√Hz<150 nV/√HzOffsetUnbalanced output 0 to ±7.4 VDC (50 Ω load)0 to ±10.0 VDC (600 Ω load)0 to ±20.0 VDC (Hi-Z load)Balanced output Not activeResolution 3 digitsAccuracy (all except pink noise) 1 % ± 25 mV (Vp+offset > 0.63 V)1 % ± 2.5 mV (0.63 V > Vp+offset > 0.063 V)1 % ± 250 μV (63 mV > Vp+offset > 6.3 mV)1 % ± 50 μV (Vp+offset < 6.3 mV)(pink noise) 1 % ± 200 mV (Vp+offset > 0.63 V)1 % ± 20 mV (0.63 V > Vp+offset > 0.063 V)1 % ± 2 mV (63 mV > Vp+offset > 6.3 mV)1 % ± 200 μV (Vp+offset < 6.3 mV)OutputsConfiguration Balanced and unbalancedConnectors Floating BNCs, banana plugs and XLR jackSource impedance Balanced 50 Ω ± 3 % 150 Ω± 2 %600 Ω ± 1 %Hi-Z (50 Ω ± 3 %) Unbalanced 50 Ω ± 3 % 600 Ω ± 1 %Hi-Z (25 Ω ± 1 Ω)Floating voltage ±40 VDC (max.)10 MHz Reference Input (Opt. 03)Requirements Sine or TTL, 0.4 to 7 Vpp, 10 MHz ± 50 ppmStability Internal ±25 ppm External Same as stability of ext. reference)Indicators External reference detected, LockedOther OutputsSync TTL level (same frequency and phase as output)Burst out TTL pulse marks burst (TTL high for ON time)Trigger/gate in TTL pulse starts sweep or burst TTL high activates gated burstSweep TTL pulse marks beginning of sweepGeneralComputer interfaces GPIB and RS-232. All instrument functions can be controlled.Size 17" × 3.5" × 16.25" (WHL)Weight 17 lbs.Power 50 W, 100/120/220/240 VAC, 50/60 HzWarranty One year parts and labor on defects in materials and workmanship

 

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