数字合成信号源 SFG-2104

固纬SFG-2104信号源特点:

直接数位合成技术及FPGA晶片设计
频率范围:0.1Hz~4MHz
频率解析度:100mHz
频率准确度及飘移度:+/-20ppm
低失真正弦波:-55dBc,0.1Hz~200kHz
输出波形:正弦波、方波、三角波
具TTL及CMOS OUT
前面板可设定十组储存及呼叫操作记忆
内附六位数150MHz高解析度频率计
具AM/FM调变及 LIN/LOG 扫描功能

固纬SFG-2104信号源技术参数:

MAIN
Frequency Range (For Sine, Square)	0.1Hz~4MHz
Frequency Range (For Triangle)	0.1Hz~1MHz
Frequency Resolution	0.1Hz
Frequency Stability	∮ 20 ppm
Frequency Accuracy	∮ 20 ppm
Frequency Aging	∮ 5 ppm / year
Output Function	Sine, Square, Triangle
Amplitude Range	10Vpp(into 50load)
Flatness(Sinewave relative to 1kHz)	≌∮ 0.3dB,0.1Hz°1MHz; ≌∮ 0.5dB,1MHz°4MHz; ≌∮ 2dB, 4MHz°10MHz
Impedance	50∮10
Attenuator	-20dB∮1dB⊙2
DC Offset	≌-5V°≈+5V(into 50load)
Duty Control Range	20% to 80% below 1MHz (Square wave only)
Duty Control Resolution	1%
Display	9 digits LED display
SINE WAVE
Harmonics Distortion	-55dBc,0.1Hz°200kHz; -40dBc,0.2MHz°4MHz; -30dBc,4MHz°10MHz (Specification applied from MAX. to 1/10 level)
TRIANGLE WAVE
Linear	≠98,0.1Hz°100kHz;≠95,100kHz°1MHz
SQUARE WAVE
Symmetry	∮ 1% of period +4ns to 0.1Hz°100kHz ;Rise or Fall Time; ∝25ns at maximum output.(into 50load)
CMOS OUTPUT
Level	4Vpp∮1Vpp°14.5Vpp∮0.5Vpp adjustable; Rise or Fall Time; ∝120ns
TTL OUTPUT
Level	≠3Vpp ; Fan Out; 20 TTL load ; Rise or Fall Time ; ∝25ns
SWEEP OPERATION
Sweep/Rate	100:1 ratio max. and adjustable
Sweep/Time	0.5Sec°30Sec adjustable
Sweep/Mode	Lin. / Log. switch selector 固纬SFG-2104信号源