APPENDIX
53
Specification
Output Function
Sine, Square, Triangle
Amplitude Range 10Vp-p (into 50
Ω
load)
Impedance
50
Ω
± 10%
Attenuator
−
20dB ± 1dB x2
DC Offset
<
−
5V ~ >+5V (50
Ω
load)
Duty Range
20% ~ 80%, 2Hz~1MHz (Square Wave)
Duty Resolution
1% (Square Wave Only)
Main
Display
9 digits LED display
SFG-2004
0.1Hz ~ 4MHz
SFG-2007
0.1Hz ~ 7MHz
SFG-2010
0.1Hz ~ 10MHz
SFG-2020
1Hz ~ 20MHz
SFG-2104
0.1Hz ~ 4MHz
SFG-2107
0.1Hz ~ 7MHz
SFG-2110
0.1Hz ~ 10MHz
Sine/Square
Waveform Range
SFG-2120
1Hz ~ 20MHz
Triangle
Waveform Range
0.1Hz ~ 1MHz
(1Hz ~ 1MHz for SFG-2020/2120)
Resolution
0.1Hz (1Hz for SFG-2020/2120)
Stability ±20ppm
Accuracy
±20ppm
Frequency
Aging ±5ppm/year
Harmonic
Distortion
≥−
55dBc, 0.1Hz ~ 200kHz
≥−
40dBc, 0.2MHz ~ 4MHz
≥−
30dBc, 4MHz ~ 20MHz
(Amplitude at maximum position
without attenuating 1/10 of any
combination setting, TTL/CMOS off)
Sine Wave
Flatness
< ± 0.3dB, 0.1Hz ~ 1MHz
< ± 0.5dB, 1MHz ~ 4MHz
< ± 2dB, 4MHz ~ 10MHz
< ± 3dB, 10MHz ~ 20MHz
(At the max amplitude relating to 1kHz)
Triangle Wave
Linearity
≥
98%, 0.1Hz ~ 100kHz
≥
95%, 100kHz ~ 1MHz
Symmetry
±1% of 4ns, 0.1Hz ~ 100kHz
Square Wave
Rise/Fall Time
≤
25ns at maximum output (50
Ω
load)
Level
4 ± 1Vpp ~ 15 ± 1Vpp, adjustable
CMOS Output
Rise/Fall Time
≤
120ns
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