发布时间：2011-01-08 05:24:57
中赛仪器库存大量各种高频仪器现货***出售中--本公司长期现金大量高价回收各种高频仪器;如-网络分析仪-视/ 音频分析仪-信号发生器-频谱分析仪-手机综合测试仪 阻抗分析仪 LCR电桥 示波器 ******测试仪静电放电发生器等等…..仪器联糸人；张生 13556784911/18922936706电话；0769-33355531传真； 0769-23362124
选用二手测量仪器的优势是：
1、与新购仪器几个月的供货期相比，购买二手仪器的供货期要短的多。在时间就是市场的今天，优势无疑是***为明显的。
2、二手仪器的价格便宜，基本为新购仪器价格的20%～50%。在电子技术迅速发展的今天，仪器的更新也在加快，***越少则风险越小。
3、为了让您放心地使用我们提供的二手仪器，我们销售的二手仪器可以做到：
1、保修半年至一年不等。
2、可以根据您的要求，将仪器送至***级计量测试单位进行校准。
现货斯坦福DS345 任意波形信号发生器 30MHz
Function Generator
DS345 — Function & arbitrary w***eform generator
DS345 任意波形信号发生器
Specificati*** |
||
Frequency Range |
||
Max. Frequency |
Resolution |
|
Sine |
30.2 MHz |
1 ?Hz |
Square |
30.2 MHz |
1 ?Hz |
Ramp |
100 kHz |
1 ?Hz |
Triangle |
100 kHz |
1 ?Hz |
Noise |
10 MHz |
(Gaussian weighting) |
Arbitrary |
10 MHz |
40 MHz/n (sample rate) |
Output |
||
Source impedance |
50 Ω |
|
Grounding |
Output may float up to &plu***n;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 w***e accuracy (0 V DC offset) |
||
5 to 10 Vpp |
&plu***n;0.2 dB (1 ?Hz to 20 MHz) &plu***n;0.3 dB (20 MHz to 30.2 MHz) |
|
0.01 to 5 Vpp |
&plu***n;0.4 dB(1 ?Hz to 20 MHz) &plu***n;0.5 dB (20 MHz to 30.2 MHz) |
|
Square w***e accuracy |
||
5 to 10 Vpp |
&plu***n;3 % (1 ?Hz to 100 kHz) &plu***n;6 % (100 kHz to 20 MHz) &plu***n;15 % (20 MHz to 30.2 MHz) |
|
0.01 to 5 Vpp |
&plu***n;5 % (1 ?Hz to 100 kHz) &plu***n;8 % (100 kHz to 20 MHz) &plu***n;18 % (20 MHz to 30.2 MHz) |
|
Triangle, ramp, arbitrary accuracy |
&plu***n;3 % (>5 Vpp) &plu***n;5 % (<5 Vpp) |
|
DC Offset |
||
Range |
&plu***n;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) &plu***n;0.8 mV to &plu***n;80 mV, depending on AC and DC settings |
|
Sine W***e |
||
Spurious components |
<-55 dBc (non-harmonic) |
|
Phase noise |
<-50 dBc in a 30 kHz band centered on the carrier, exclusive of discrete spurious signals |
|
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 W***e |
||
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 W***eforms |
||
Rise/fall time |
45 ns (10 MHz Bessel filter) |
|
Linearity |
&plu***n;0.5 % of full-scale output |
|
Settling time |
<1 ?s to settle within 0.1 % of final value at full output |
|
Arbitrary W***eforms |
||
Sample rate |
40 MHz/N, N = 1 to 234-1 |
|
Memory length |
8 to 16,300 points |
|
Resolution |
12 bits (0.025 % of full scale) |
|
Phase |
||
Range |
&plu***n;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, 15 kHz max. external |
|
Distortion |
<-35 dB at 1 kHz, 80 % depth |
|
DSB carrier |
<-35 dB typ. at 1 kHz modulation rate (DSBSC) |
|
External input |
&plu***n;5 V for 100 % modulation, 100 kΩ impedance, 15 kHz bandwidth |
|
Frequency Modulation |
||
Source |
Internal (sine, square, triangle, ramp or arbitrary) |
|
Rate |
0.001 Hz to 10 kHz |
|
Span |
1 mHz to 30.2 MHz (100 kHz for triangle, ramp) |
|
Phase Modulation |
||
Source |
Internal (sine, square, triangle, ramp) |
|
Rate |
0.001 Hz to 10 kHz |
|
Span |
&plu***n;7199.999° |
|
Frequency Sweep |
||
Type |
Linear or log, phase continuous |
|
W***eform |
Up, down, up-down, single sweep |
|
Time |
0.001 s to 1000 s |
|
Span |
1 mHz to 30.2 MHz (to 100 kHz for triangle, ramp) |
|
Markers |
Two markers may be set at any sweep point (TTL output) |
|
Sweep output |
0 to 10 V linear ramp signal, synchronized to sweep |
|
Burst Modulation |
||
W***eform |
Any w***eform except noise may be burst modulated |
|
Frequency |
Sine, square to 1 MHz Triangle, ramp to 100 kHz Arbitrary to 40 MHz sample rate |
|
Count |
1 to 30,000 cycles/burst (1 ?s to 500 s burst time limits) |
|
Trigger Generator |
||
Source |
Single, Internal, External, Line |
|
Rate (internal) |
0.001 Hz to 10 kHz (2-digit resolution) |
|
External trigger |
Positive or negative edge, TTL |
|
Output |
TTL level |
|
Standard Timebase |
||
Accuracy |
&plu***n;5 ppm (20 °C to 30 °C) |
|
Aging |
5 ppm/year |
|
Input |
10 MHz/N &plu***n; 2 ppm (N = 1 to 8) 1 Vpp minimum input level |
|
Output |
10 MHz, >1 Vpp sine into 50 Ω |
|
Optional Timebase |
||
Type |
Ovenized AT-cut oscillator |
|
Stability |
<0.01 ppm, 20 °C to 60 °C |
|
Aging |
<0.001 ppm/day |
|
Allan variance (1 s) |
<5 × 10-11 |
|
General |
||
Interfaces |
Optional RS-232 (300 to 19.2 kbaud, DCE) and GPIB with DOS based arbitrary w***eform software (AWC). All instrument functi*** are controllable over the interfaces. |
|
Non-volatile memory |
Nine sets of instrument settings can be s***ed and recalled |
|
Dimensi*** |
8.5" × 3.5" × 13" (WHL) |
|
Weight |
10 lbs. |
|
Power |
50 W, 100/120/220/240 VAC, 50/60 Hz |
|
Warranty |
One year parts and labor on defects in materials and workmanship |
|
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