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SFG-830G Instek 30MHz Arbitrary / Function Generator w/ GPIB Interface
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Item details
| Part Number | SFG-830G |
|---|---|
| Availability | Not in Stock |
| Location | Champaign, IL USAships worldwide |
| Stock # | 56578-2 |
| Ship Weight | 16 lbs /ea |
| Condition | New From Surplus Stock |
| Inspection | Before every shipment |
| Warranty | 1-Year Warranty with 30-Day Return Guarantee |
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Instek SFG-830G 30MHz Arbitrary / Function Generator w/ GPIB Interface Overview
Features:
- 30MHz Direct Digitally Synthesized Source
- 20mHz Frequency Resolution
- ±10ppm Frequency Accuracy
- 12Bit, 5M Sample/S Arbitrary Waveforms
- Sine, Triangle, Ramp and Square Waveforms
- Internally Synthesized FM, AM and Phase Modulation (PSK)
- Low Distortion
- RS232 interface
- Arbitrary Modulation
- Linear and log sweeps
- Optional IEEE-488 Interface only for SFG-830G
- Free Arbitrary Waveform Composer Software for Windows 95/98/2000
The frequency synthesis method applied by the Instek SFG-830 is Direct Digital Synthesis (DDS), a new technique that generates stable output frequency with extraordinary resolution.
Unlike SFG-830, traditional frequency synthesized function generators typically use Phase Locked Loop (PLL) techniques. In order to synthesize frequencies, PLL should be high-resolution (up to 1:106 in general) and needs a stable frequency to be referenced. Due to the utilization of dynamic loop filter, problems such as poor phase jitter and frequency switching response may occur when running the PLL system. As in generating waveforms, PLL needs a wave-shaping circuit with an address counter that controlled by a variable frequency clock. The counter addresses memory locations in a waveform RAM, and the RAM output is converted by a high speed digital-to-analog converter (DAC) to produce an analog output signal.
Problems like poor phase jitter and transient response may arise here as well. Although DDS also generates analogue waveforms by way of the waveform RAM and high speed DAC, it does not have the problems as PLL does due to the use of fixed frequency clock (fs). Besides, the resolution of DDS is higher than that of PLL’s. DDS’s resolution is fs/2k where the digit of the control frequency word (K), which is more than 32bits in general, decides the quality of it.
Unlike SFG-830, traditional frequency synthesized function generators typically use Phase Locked Loop (PLL) techniques. In order to synthesize frequencies, PLL should be high-resolution (up to 1:106 in general) and needs a stable frequency to be referenced. Due to the utilization of dynamic loop filter, problems such as poor phase jitter and frequency switching response may occur when running the PLL system. As in generating waveforms, PLL needs a wave-shaping circuit with an address counter that controlled by a variable frequency clock. The counter addresses memory locations in a waveform RAM, and the RAM output is converted by a high speed digital-to-analog converter (DAC) to produce an analog output signal.
Problems like poor phase jitter and transient response may arise here as well. Although DDS also generates analogue waveforms by way of the waveform RAM and high speed DAC, it does not have the problems as PLL does due to the use of fixed frequency clock (fs). Besides, the resolution of DDS is higher than that of PLL’s. DDS’s resolution is fs/2k where the digit of the control frequency word (K), which is more than 32bits in general, decides the quality of it.
The Instek SFG-830G 30MHz Arbitrary / Function Generator w/ GPIB Interface may still be available for purchase and support from Artisan Technology Group beyond End-Of-Life (EOL) by the manufacturer (OEM).
30MHz Arbitrary / Function Generator w/ GPIB Interface Price & Specs
Instek SFG-830G 30MHz Arbitrary / Function Generator w/ GPIB Interface Manuals, Datasheets, Drivers, Links
Instek SFG-830G 30MHz Arbitrary / Function Generator w/ GPIB Interface Specs
| MAIN | |
|---|---|
| Output Function | SINE, TRIANGLE, RAMP, SQUARE, SYNC OUTPUT, ARBITRARY WAVE |
| Frequency Range | Sine 20mHz - 30MHz Square 20mHz - 30MHz Triangle 10mHz - 100kHz Ramp 10mHz - 100kHz |
| Frequency Resolution | 20mHz (10mHz for TRIANGLE and RAMP function) |
| Frequency Accuracy | ±10ppm |
| Frequency Aging | ±5ppm/year |
| OUTPUT IMPEDANCE | |
| Source Impedance | 50Ω±10% |
| AMPLITUDE | |
| Range | 10mV - 10Vpp ( into 50Ω ) 8 amplitude ranges |
| Resolution | 3 digits |
| Accuracy | Sine out: ±0.5dB (±5mVrms) Square out: ±12%(±5mVrms) Triangle out: ±5% (±5mVrms) Arbitrary out: ±5% (±5mVrms) |
| DC OFFSET | |
| Range | ±5V ( into 50Ω ) |
| Resolution | 3 digits |
| Accuracy | ±1.5% of setting + 1mV |
| SYNC OUTPUT | |
| Sync Output | TTL levels |
| Sync Fan-out | > 10 TTL load |
| SINE OUTPUT | |
| Harmonics | DC - 100kHz: -50dBc 0.1M - 1MHz: -40dBc 1M - 10MHz: -30dBc 10M - 30MHz: -25dBc |
| SQUARE OUTPUT | |
| Rise / Fall Time | ≤15nS |
| Overshoot | ≤5% ( at full scale output ) |
| Asymmetry | ±1% of period + 4nS |
| TRIANGLE & RAMP | |
| Linearity | ±0.1% of full scale output |
| ARBITRARY WAVEFORMS | |
| Sample Rate | 42.949600MHz/N, N=8, 10, 12, ... 215 |
| Waveform Length | 12,000 points max. |
| Vertical Resolution | 12 bits |
| SWEEP | |
| Sweep Functions | LIN or LOG |
| Sweep Range | 20mHz - 30MHz |
| Sweep Time | 0.01S - 1000S |
| MODULATION | |
| AM Modulation Function | External, Internal ( sine, triangle, ramp, square ) |
| Modulation Rate | 10mHz - 10kHz ( Internal ), 50kHz max ( external ) |
| Modulation Span | 0 - 100% |
| Ext. Input | ±5V for 100% modulation |
| Ext. Input Impedance | 100kΩ |
| FM Modulation Function | Sine, Triangle, Ramp, Square |
| Modulation Rate | 10mHz - 10kHz |
| Modulation Span | 30MHz ( 100kHz for triangle, ramp ) |
| PM Modulation Span | 360 Degrees |
| Modulation Rate | 20mHz - 10kHz |
| STATS | |
| Interface | RS232 standard GPIB interface GPB-01 (Option) Free Arbitrary waveform composer software for Window 95/98/2000 SFG-S1 (require GPIB) |
| Power Source | AC 100V/120V/220V/230V±10%, 50/60Hz |
| Accessories | Power cord × 1 Instruction manual × 1 GTL-101 × 2 |
| Dimensions & Weight | 214(W) x 89(H) x 370(D) mm, Approx. 4.8kg |
| General | |
| Manufacturer | Instek |
| Model | SFG-830G |
| Condition | New From Surplus Stock |
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Artisan Scientific Corporation dba Artisan Technology Group is not affiliated with or a distributor for Instek. The depiction, description, or sale of products featuring names, trademarks, brands, and logos is for identification and/or reference purposes only and does not indicate any affiliation with or authorization by any rights holder.
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