数字合成信号源SFG-2120

直接?位合成技?及fpga晶片??

· ?率范?:0.1hz~20mhz

· ?率解析度:100mhz

· ?率准确度及?移度:+/-20ppm

· 低失真正弦波:-55dbc,0.1hz~200khz

· ?出波形:正弦波、方波、三角波

· 具ttl及cmos out

· 前面板可?定十??存及呼叫操作??

· ?附六位?150mhz高解析度?率?

· 具am/fm??及 lin/log ?描功能

sfg-2120数字合成信号源sfg-2120|固纬sfg-2120数字合成信号源的技术参数:

based on direct di*al synthesized (dds) technology and unique fpga design, sfg-2000/2100 series function generators are built with exceptionally high performance far exceeding that of any conventional function generators, at a very competitive price. stable output frequency, low distortion, and fine frequency resolution are the most remarkable characteristics of this product series.
main
frequency range (for sine, square)	1hz~20mhz
frequency range (for triangle)	1hz~1mhz
frequency resolution	1hz
frequency stability	∮ 20 ppm
frequency accuracy	∮ 20 ppm
frequency aging	∮ 5 ppm / year
output function	sine, square, triangle
amplitude range	2mv~10vpp(into 50load)
impedance	50∮10
attenuator	-20db∮1db⊙2
dc offset	?-5v°?+5v(into 50load)
duty control range	20% to 80%, 2hz~1mhz (square wave only)
range resolution	1%
display	9 di*s led display
sine wave
harmonics distortion	-55dbc,0.1hz°200khz; -40dbc,0.2mhz°4mhz; -30dbc,4mhz°10mhz (specification applied to both ttl/cmos off and from max. to 1/10 level)
flatness (relative to 1khz)	?∮ 0.3db,0.1hz°1mhz; ?∮ 0.5db,1mhz°4mhz; ?∮ 2db, 4mhz°10mhz
triangle wave
linearity	≠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°15vpp∮1vpp adjustable; rise or fall time ?120ns
ttl output
level	≠3vpp ; fan out; 20 ttl load ; rise or fall time ?25ns
sweep operation
rate	100:1 ratio max. and adjustable ( in order to get maximum sweep span, the sweep time needs to be tuned on when adjust sweep span. )
time	1sec°30sec adjustable ( when the sweep time is too long, the s* frequency will reach and stay at the maximum frequency of instrument until the end of the sweep cycle. )
mode	lin./log. switch se-lector
amplitude modulation
depth & modulation frequency	0°100 ; 400hz(int), dc°1mhz(ext)
carrier bw	100hz°5mhz(-3db)
ext modulation sensitivity	? 10vpp for 100modulation
frequency modulation
deviation & modulation frequency	0°∮50khz,center at 1mhz, 400hz fixed(int), 1khz fixed(ext)
ext modulation sensitivity	? 10vpp for 10% modulation (center at 1mhz)
frequency counter
range	5hz°150mhz
accuracy	time base accuracy∮1count
time base	∮20ppm(23∮5)after 30 minutes warm up
resolution	the maximum resolution is 100nhz for 1hz and 0.1hz for 100mhz
input impedance	1m/150pf
sensitivity	? 35mvrms (5hz~100mhz) ? 45mvrms (100mhz~150mhz)
store/recall function
	10 groups of setting memories
power source
	ac115v∮10%, ac 230v+10%/-15%, 50/60hz
accessories
	instruction manual⊙1 power cord x 1 gtl-101⊙ 2
dimension & weight	266(w)⊙107(h)⊙293(d) mm approx. 3.2kg

供应数字合成信号源SFG-2120