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SFG-2007信号发生器|SFG-2007信号源|固纬SFG-2007数字合成信号源的特点：l 直接数位合成技术及FPGA晶片设计 l 频率范围:0.1Hz~7MHz l 频率解析度:100mHz l 频率准确度及飘移度:+/-20ppm l 低失真正弦波:-55dBc0.1Hz~200kHz l 输出波形:正弦波、方波、三角波 l 具TTL及CMOS OUT l 前面板可设定十组储存及呼叫操作记忆 SFG-2007数字合成函数信号发生器SFG-2007信号发生器|SFG-2007信号源|固纬SFG-2007数字合成信号源的技术参数：MAINFrequency Range(For Sine Square)0.1Hz~7MHzFrequency Range(For Triangle)0.1Hz~1MHzFrequency Resolution0.1Hz Frequency Stability± 20 ppmFrequency Accuracy± 20 ppm Frequency Aging ± 5 ppm / yearOutput FunctionSine Square TriangleAmplitude Range10Vpp(into 50Ωload)Flatness(Sinewave relative to 1kHz)＜± 0.3dB0.1Hz～1MHz; ＜± 0.5dB1MHz～4MHz; ＜± 2dB 4MHz～10MHzImpedance50Ω±10％Attenuator-20dB±1dB×2 DC Offset＜-5V～＞+5V(into 50Ωload) Duty Control Range 20% to 80% below 1MHz (Square wave only) Duty Control Resolution 1% Display9 digits LED display SINE WAVEHarmonics Distortion-55dBc0.1Hz～200kHz; -40dBc0.2MHz～4MHz; -30dBc4MHz～10MHz(Specification applied from MAX. to 1/10 level)TRIANGLE WAVELinear≧98％0.1Hz～100kHz;≧95％100kHz～1MHz SQUARE WAVESymmetry± 1% of period +4ns to 0.1Hz～100kHz ;Rise or Fall Time; ≦25ns at maximum output.(into 50Ωload)CMOS OUTPUTLevel4Vpp±1Vpp～14.5Vpp±0.5Vpp adjustable; Rise or Fall Time; ≦120nsTTL OUTPUTLevel≧3Vpp ; Fan Out; 20 TTL load ; Rise or Fall Time ; ≦25nsSTORE/RECALL FUNCTION 10 groups of Setting memories POWER SOURCEAC115V 230V±15%50/60Hz ACCESSORIES Instruction manual x 1Power Cord x 1GTL-101 x 1DIMENSION & WEIGHT107(W)×266(H)×293(D) m/mApprox. 3.1kg