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Function Generator DS345 SRS Stanford Research System

Mã sản phẩm: DS345
Sử dụng cho Model:
Hãng SX: SRS Stanford Research System
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Tình trạng

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Đặt hàng
The DS345 Function Generator is a full-featured 30 MHz synthesized function generator that uses an innovative Direct Digital Synthesis (DDS) architecture. It generates many standard waveforms with excellent frequency resolution (1 µHz), and has versatile modulation capabilities including AM, FM, Burst, PM and frequency sweeps. It also generates arbitrary waveforms with a fast 40 Msample/s update rate.

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Thông tin sản phẩm

Frequency range
  Max. Frequency Resolution
Sine 30.2 MHz 1 µHz
Square 30.2 MHz 1 µHz
Ramp 100 kHz 1 µHz
Triangle 100 kHz 1 µHz
Noise 10 MHz (Gaussian weighting)
Arbitrary 10 MHz 40 MHz/N (sample rate)
Output
Source impedance 50 Ω
Grounding Output may float up to ±40 V (AC + DC) relative to earth ground.
Amplitude
Range 0.01 to 10 Vpp (50 Ω), 20 Vpp (Hi-Z)
Resolution 3 digits (DC offset: 0 V)
Sine wave accuracy (0 V DC offset)
     5 to 10 Vpp ±0.2 dB (1 µHz to 20 MHz)
±0.5 dB (20 MHz to 30.2 MHz)
     0.01 to 5 Vpp ±0.4 dB(1 µHz to 20 MHz)
±0.5 dB (20 MHz to 30.2 MHz)
Square wave accuracy
     5 to 10 Vpp ±3 % (1 µHz to 100 kHz)
±6 % (100 kHz to 20 MHz)
±15 % (20 MHz to 30.2 MHz)
     0.01 to 5 Vpp ±5 % (1 µHz to 100 kHz) 
±8 % (100 kHz to 20 MHz) 
±18 % (20 MHz to 30.2 MHz)
Triangle, ramp, arbitrary accuracy ±3 % (>5 Vpp)
±5 % (<5 Vpp)
DC Offset
Range ±5 V (limited such that |VAC peak| + |VDC| < 5 V)
Resolution 3 digits (VAC = 0)
Accuracy 1.5 % of setting + 0.2 mV (DC only) 
±0.8 mV to ±80 mV, depending on AC and DC settings
Sine Wave
Spurious components -45 dBc (non-harmonic, typ.)
Phase noise -55 dBc in a 30 kHz band centered on the carrier, exclusive of discrete spurious signals (typ.)
Sub-harmonic <-50 dBc
Harmonic distortion Level
<-55 dBc
<-45 dBc
<-35 dBc
<-25 dBc
Frequency Range
DC to 100 kHz
0.1 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 + 4 ns
Overshoot <5 % of peak to peak amplitude at full output

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