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Instek SFG-2020
20 Mhz DDS Function Generator
Click image to enlarge
Instek SFG-2020
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Features:
- DDS Technology and FPGA Chip Design
- Frequency Range:1Hz~20MHz
- High Frequency Accuracy : ± 20ppm
- High Frequency Stability : ± 20ppm
- Frequency Resolution :100mHz
- Low Distortion Sine Wave:-55dBc,0.1Hz~200kHz
- Front Panel Setting Save/Recall with 10 Groups of Setting Memories
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Description
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Based on Direct Digital 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.
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Models, Options, & Accessories
| Model |
Description |
List Price |
Sale Price |
| SFG-2020 |
DDS Function Generator - 20MHz |
$480.00 |
| $429.00 |  |
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| SFG-2004 |
DDS Function Generator - 4MHz |
$280.00 |
| $252.00 | |
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| SFG-2007 |
DDS Function Generator - 7MHz |
$335.00 |
| $301.50 | |
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| SFG-2010 |
DDS Function Generator - 10MHz |
$380.00 |
| $342.00 | |
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| SFG-2104 |
DDS Function Generator - 4MHz w/Ext. counter, sweep, AM/FM |
$360.00 |
| $324.00 | |
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| SFG-2107 |
DDS Function Generator - 7MHz w/Ext. counter, sweep, AM/FM |
$380.00 |
| $342.00 | |
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| SFG-2110 |
DDS Function Generator - 10MHZ, w/Ext. counter, sweep, AM/FM |
$420.00 |
| $378.00 | |
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| SFG-2120 |
DDS Function Generator - 20MHZ, w/Ext. counter, sweep, AM/FM |
$570.00 |
| $513.00 | |
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| SFG-1013 |
3MHz DDS Function Generator with Voltage Display |
$190.00 |
| $171.00 | |
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| SFG-1003 |
3MHz DDS Function Generator |
$170.00 |
| $153.00 | |
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Specifications
| Main |
| Frequency Range (For Sine, Square) |
1Hz ~ 20MHz |
| Frequency Range (For Triangle) |
0.1Hz ~ 1MHz |
| Resolution |
1Hz |
| Stability |
± 20ppm |
| Accuracy |
± 20ppm |
| Aging |
± 5ppm / year |
| Output Function |
Sine, Square, Triangle |
| Amplitude Range |
10Vpp (into 50Ω load) |
| Flatness (Sine wave relative to 1kHz) |
<±0.3dB, 0.1Hz~1MHz; <±0.5dB, 1MHz~4 MHz; <± 2dB, 4MHz~10MHz |
| Impedance |
50Ω ± 10% |
| Attenuator |
-20dB ± 1dB x 2 |
| DC Offset |
< -5V ~ > +5V (into 50Ω load) |
| Duty Control Range |
20% to 80% below 1MHz (Square wave only) |
| 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%, 0.1Hz~1MHz |
| Square Wave |
| Symmetry |
±1% period +4ns to 0.1Hz~100Hz; Rise or Fall Time
≤25ns at maximum output. (into 50Ω 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 |
| Store / Recall Function |
| Size |
10 groups of Setting memories |
| Misc |
| Power Source |
AC 115V, 230V±15%, 50/60Hz |
| Accessories |
Instruction Manual x 1, Power cord x 1, GTL-101 x 1 |
| Dimensions & Weight |
107(W)x266(H)x293(D) m/m; Approx. 3.1kg |
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