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Instek SFG-1003 3MHz DDS Function Generator

Name: Instek SFG-1003 3MHz DDS Function Generator
Brand: Instek
SKU: InstekSFG-1003
Price: 162.00 USD
Availability: InStock
Rating: 4.60 (5 reviews)

4.5 (5 Reviews) | Model: Instek SFG-1003

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3MHz DDS Function Generator

Frequency Range:0.1Hz~3MHz
DDS Technology and FPGA Chip Design
Frequency Resolution :100mHz
High Frequency Accuracy : ± 20ppm
High Frequency Stability : ± 20ppm
Low Distortion Sine Wave:-55dBc,0.1Hz~200kHz

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Items in This Series



Product	Instek SFG-1003 3MHz DDS Function Generator	Instek SFG-1013 3MHz DDS Function Generator w/ voltage display
Rating	(5)	(12)
Price
In Stock
Frequency Maximum	3 MHz	3 MHz
Frequency Minimum	0.1 Hz	0.1 Hz
Functions	Sine, Square, Triangle, TTL	Sine, Square, Triangle, TTL
Compare	Add to compare	Add to compare

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Instek SFG-1003 - 3MHz DDS Function Generator

Digital user interface with 6-digit LED display
TTL output
Amplitude control
−40dB attenuation
Duty control
Variable DC offset control
Variable DC offset control

SFG-1000 Series, an economic function generator with high accuracy and high stability output, is designed based on the DDS (Direct Digital Synthesis) technology embedded in a large scale FPGA. The frequency range of 3MHz and the output waveform selection as Sine, Square, Triangle and TTL of SFG-1000 Series adequately provide the fundamental features to ensure high confidence for the test results. The DDS technology at an affordable price gives a high-value solution to the users who need a signal source for accurate but unsophisticated measurement applications.

Stable Signal Source

The frequency drift and the amplitude instability of conventional signal sources are fatal uncertainties to the high-accuracy measurements. SFG-1000 Series employs PLL (Phase-Locked Loop) circuitry to generate a stable waveform at 20ppm accuracy & stability covering the frequency range from 0.1Hz up to 3MHz. When SFG-1000 Series is utilized to conduct experiments in the laboratory, it secures the signal source reliability, which is beyond the reach of any traditional signal generators.

Low Distortion

To most of the test engineers, it is always an annoyance trying to get rid of the ringing coming from the signal source being used to stimulate the DUT. The high precision measurements need to employ a signal source without the existence of harmonic components, which adhere to the oscillator of a conventional signal generator circuit. SFG-1000 Series, built over a DDS platform, generates the waveform through high-performance DAC and high-speed comparator to effectively avoid the generation of harmonic components. Utilizing direct digital synthesis technology, SFG-1000 Series provides an output waveform with 55dBc low distortion ranging from 2mVpp to 10Vpp output level. At the press of a button, you get a stable and high purity output signal from SFG-1000 Series right away.

User-Friendly Human Interface

The thoughtful human interface of SFG-1000 Series gives users a friendly operating environment. There is no need to go through a long and tedious learning curve to get used to the operations of the product. The key operation functions and the output on/off control are the advanced features that could only be seen on the high-end devices. You could enjoy all these conveniences at a very affordable cost.

All-Around Functionality

Signal output with selectable waveform among Sine, Square, and Triangle, and an additional signal output at the TTL level are included in SFG-1000 Series. The output control features include frequency adjustment, +/-5V DC offset, and 40dB attenuation. All the fundamental features of a signal generator are well equipped on SFG-1000 Series with high accuracy and stability. Combining convenience, accuracy, and economic cost, SFG-1000 Series 3 represents the beauty of GW Instek's design.

Front Panel

Rear Panel

Main
Frequency Range (For Sine, Square)	0.1Hz ~ 3MHz
Frequency Range (For Triangle)	0.1Hz ~ 1MHz
Resolution	0.1Hz
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	25% ~ 75% below 1MHz (Square wave only)
Resolution	1%
Display	6 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	±5% period +4ns to 0.1Hz~100Hz; Rise or Fall Time
Rise or Fall Time	≤100ns at maximum output. (into 50Ω load)
TTL OUTPUT
Level	≥3Vp-p
Fan Out	20 TTL load
Rise or Fall Time	≤25ns
GENERAL
Operation Environment	Indoor use, altitude <2000m Ambient Temperature : 0°C ~ 40°C Relative Humidity: <80% at 0°C ~ 40°C Up to 70% at 35°C ~ 40°C Installation category II Pollution Degree 2
POWER SOURCE
	AC 100V/120V/220V/240V±10%, 50/60Hz
STORAGE CONDITION
Temperature	-10°C ~ 70°C
Humidity	70% (Maximum).
DIMENSION & WEIGHT
	251(W) x 91(H) x 291(D) mm, Approx. 2.1kg

Tech Specs

Generators / Counters/Function Generator Template
Frequency Maximum	3 MHz
Frequency Minimum	0.1 Hz
Functions	Sine, Square, Triangle, TTL
Max Amplitude Vpp @ 50 ohms	10 V
Arbitrary	No
Screen Type	LED
Color Screen	No
Direct Digital Synthesis (DDS)	Yes
PC Based	No
Test Equipment General Attributes
Product Weight	2.1 KILOS (4.63 LBS)
Product Height	91 IN
Product Length	291 IN
Product Width	251 IN
Data Logging	No
HTS/Schedule B Number	8543.20.0000
ECCN Number	EAR99
Calibration Included	Factory Calibration
Power Supply Voltage	120V/220V Universal
Country of Origin	China
Shipping Height	6.00 IN
Shipping Length	15.00 IN
Shipping Width	11.20 IN
Other Information	Frequency Range (For Sine, Square): 0.1Hz ~ 3MHz Frequency Range (For Triangle): 0.1Hz ~ 1MHz Resolution: 0.1Hz Stability: ? 20ppm Accuracy: ? 20ppm Aging: ? 5ppm / year Output Function: Sine, Square, Triangle Amplitude Range: 10Vpp (into 50O load) Flatness (Sine wave relative to 1kHz): ?0.3dB, 0.1Hz~1MHz; ?0.5dB, 1MHz~4 MHz; ? 2dB, 4MHz~10MHz /td? Impedance: 50O ? 10% Attenuator: -20dB ? 1dB x 2 DC Offset: -5V ~ +5V (into 50O load) Duty Control Range: 25% ~ 75% below 1MHz (Square wave only) Resolution: 1% Display: 6 digits LED display Harmonics Distortion: -55dBc, 0.1Hz~200kHz; -40dBc, 0.2MHz~4MHz; -30dBc, 4MHz~10MHz(Specification applied from MAX. to 1/10 level) Linear: =98%, 0.1Hz~100kHz; =95%, 0.1Hz~1MHz Symmetry: ?5% period +4ns to 0.1Hz~100Hz; Rise or Fall Time Rise or Fall Time: =100ns at maximum output. (into 50O load) Level: =3Vp-p Fan Out: 20 TTL load Rise or Fall Time: =25ns Operation Environment: Indoor use, altitude 2000mAmbient Temperature : 0?C ~ 40?CRelative Humidity: 80% at 0?C ~ 40?CUp to 70% at 35?C ~ 40?CInstallation category IIPollution Degree 2 : AC 100V/120V/220V/240V?10%, 50/60Hz Temperature: -10?C ~ 70?C Humidity: 70% (Maximum).

4.5

Out of 5

Average Customer Review

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Displaying all 5 reviews

Most Helpful First | Newest First

Recommend to a Friend

Does what it says!

5.0

I actually called the company to make sure this did everything it said it could do and they were spot on! Ive ordered frequency generators before that did not do all the frequencies it said it should do, but this one is as described. Functions well and is easy to use! A great generator at a relatively cheap price. I am happy with my purchase.

Brian Robby on Dec 07, 2019

Recommend to a Friend

Great price and easy to use

4.0

Intuitive interface, low distortion waveform, High stability, probably the best value for a bench function generator.

rtneuro on Apr 16, 2015

Recommend to a Friend

Extremely accurate. High Quality. Needs volt info

4.0

I am very happy with the SGF-1003 with one exception, I wish I would have purchase the 1013 with the voltage information. Unit is very light and convenient to use. The arm is easy to position on the bench or folds out of the way. Learning curve is very fast. I am a hobbyist but use the unit two or three times per week. Excellent value. I purchased the SGF-1003 on the recommendation of a You Tube video for a lab set-up but the SGF-1013 would have been worth the extra $20.

Verified Purchase Stony's Gear Locker on Feb 06, 2015

Recommend to a Friend

instek sfg-1003

5.0

Very clean waveform output, stable at low vpp for testing esr of capacitors. Quality build, should last for years.

Verified Purchase levi on Jan 02, 2015

Recommend to a Friend

a very stable function generator

5.0

I have used this function generator extensively and it is a good "bang-for-the-buck". The stability of the signal frequency is great and the generator is very versatile. Distortion of the sine wave is minimal and the frequency display is very convenient.

Verified Purchase Carlos on Feb 07, 2014

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Instek SFG-1003 3MHz DDS Function Generator

Items in This Series

Recommended for you

Instek SFG-1003 Accessories

for the Instek SFG-1003

Cal Test CT4103 Universal Adapter Kit

Cal Test CT4036 Function Generator And Freq. Counter Accessory Kit

Instek SFG-1003 - 3MHz DDS Function Generator

Stable Signal Source

Low Distortion

User-Friendly Human Interface

All-Around Functionality

Front Panel

Rear Panel

Tech Specs

Generators / Counters/Function Generator Template

Test Equipment General Attributes

4.5

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