技术参数:
Ø 宽频带:0.5Hz~5MHz
Ø 多种输出波形:正弦波、三角形波、方波、TTL电平方波和CMOS电平方波
Ø 对数/线形扫描功能,可同时或独立设定起始频率和中断频率
Ø 频率计数器功能,可独立设置频率范围和门时间
Ø VCG(外部频率控制终端),可通过外接电压(0~10V)控制输出频率
Item
FG-275
Output frequency
Sinewave,squarewave,trianglewave,TTL-level/CMOS-levelsquarewave,pulse waveform and sawtooth wavefom
Frequency range
0.5Hz-5MHz
Frequency accuracy
5*10^-5±1 digit
Sinewave
Distortion
1% or less(10Hz to 100kHz)
Frequency characteristics
±1.0dB(50Ω load)
Squarewave characteristics
Symmetry
±3%max.(at 100Hz)
Rise and fall time
10nsmax.(maximum output)
Trianglewave characteristics
Rise and fall time/output
60nsec or less/5Vto 15V continuously variable
Sweep characteristics
Internal sweep
Linear or logarithm sweep
Sweep speed
1:1 to 500:1/continously variable
Sweep output
0 to 10V/frequency increase at right direction
IExternal sweep
Input voltage
0to 10V frequency increase at right direction
Frequency variablerange
500:1 max.
Maximum input
±20V(DC/AC peak)
Input impedance
13kΩ
Frequency counter characteristics
Display
5digit display(LED)
5Hzto 10Mhz(0.01sec,1sec,10sec)
Accuracy
±5*10^-5±1 count
Input sensitivity
30mVrms
Maximuminput voltage
42Vp-p
50Ω10%
Logarithmic variable range
1:1 to 40:1 min.
DC offset
±10V(open circuit)/±5V(50kΩ load)
Attenuator
-10dB/-20dB/-40dBsteps with continuously variable
Output impedance
50Ω±10%
±10V(open circuit)/5V(50kΩ load)/continuously variable±
Environmental condition
Temperature/humidityfor operation
0℃ to 40℃,80%max.
Temperature/humidityfor spec
23℃±5℃,70%max.
Others
Power source
AC100/120/220/230V±10%,50/60Hz,Approx.20W
Dimensions/weight
240(W)*64(H)*190(D)mm/1.8kg
Accessories
Instruction manual(1),power code(1)
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