{"product_id":"gaqqee-fg300-dds-signal-generator-0001hz-200khz-tft-schumann-wave","title":"Gaqqee FG300 DDS Signal Generator 0.001Hz–200kHz | 13 Waveforms","description":"\n\u003ch2\u003eGaqqee FG300 Portable DDS Signal Generator — 13 Waveforms, 1.8\" TFT Display\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eGaqqee FG300\u003c\/strong\u003e is a compact, high-precision, portable DDS (Direct Digital Synthesis) signal generator engineered for electronics professionals, hobbyists, educators, and technicians. With a frequency range of \u003cstrong\u003e0.001 Hz to 200 kHz\u003c\/strong\u003e and support for \u003cstrong\u003e13 distinct waveform types\u003c\/strong\u003e, it delivers exceptional versatility in a slim 127 × 98 × 18 mm form factor — all powered via USB Type-C 5V.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Wide Frequency Range:\u003c\/strong\u003e Sine wave output from 0.001 Hz to 200 kHz with flat amplitude response up to 100 kHz; all other waveforms from 0.001 Hz to 20 kHz.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e13 Waveform Types:\u003c\/strong\u003e Sine wave, square wave, triangle wave, forward sawtooth, reverse sawtooth, ECG (electrocardiogram), half-sine wave, Lorentzian wave, Gaussian wave, sinusoidal wave, exponential rise, exponential fall, and the 7.83 Hz Schumann wave — via integrated helical antenna.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Precision DDS Synthesis:\u003c\/strong\u003e Low-temperature drift crystal oscillators deliver outstanding frequency stability with resolution down to 0.001 Hz for extremely accurate low-frequency outputs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1.8-Inch Colour TFT LCD Display:\u003c\/strong\u003e Bright, easy-to-read colour screen with direct numeric keypad input for fast, intuitive frequency setting.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmart Power Management:\u003c\/strong\u003e Automatic shutdown timer, adjustable signal indicator brightness, and adjustable display backlight brightness to extend usage sessions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMemory Retention:\u003c\/strong\u003e All configuration parameters are automatically saved — no need to re-enter settings after each power cycle.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUSB Type-C Powered:\u003c\/strong\u003e Convenient, modern USB Type-C 5V power input for use at a workbench or on the go.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE Certified:\u003c\/strong\u003e Meets CE certification standards for electronics safety and compliance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFG300\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Range (Sine)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.001 Hz – 200 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Range (Other Waveforms)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.001 Hz – 20 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.001 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Amplitude\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.5V VPP\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e330Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.8-inch TFT Colour LCD\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSB Type-C 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e127 × 98 × 18 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFG300 Signal Generator Main Unit × 1\u003c\/li\u003e\n  \u003cli\u003eUSB Type-C Power Cable × 1\u003c\/li\u003e\n  \u003cli\u003e4-Pin Signal Output Cable × 1\u003c\/li\u003e\n  \u003cli\u003eStylus Pen × 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eElectronics R\u0026amp;D and prototyping\u003c\/li\u003e\n  \u003cli\u003eProduction testing and quality control\u003c\/li\u003e\n  \u003cli\u003eEducational labs and STEM demonstrations\u003c\/li\u003e\n  \u003cli\u003eCircuit maintenance and diagnostics\u003c\/li\u003e\n  \u003cli\u003eAudio equipment testing and calibration\u003c\/li\u003e\n  \u003cli\u003eSchumann wave \/ low-frequency resonance research\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cp\u003eLooking for more precision tools and DIY electronics supplies? Check out our \u003ca href=\"\/products\/leather-hole-punch-tool-diy-stitching-punch-4-5-6mm\"\u003eLeather Hole Punch Tool | DIY Stitching Punch\u003c\/a\u003e, our handy \u003ca href=\"\/products\/airtight-transparent-pet-storage-bottle-craft-beads-home-organization\"\u003eAirtight Transparent PET Storage Bottle for Components \u0026amp; Crafts\u003c\/a\u003e, or the \u003ca href=\"\/products\/uv-shaped-leather-groover-skiving-tool-kit-4-piece-diy\"\u003eU \u0026amp; V Leather Groover Skiving Tool Kit – 4-Piece Stainless Set\u003c\/a\u003e for your workbench toolkit.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What waveforms does the Gaqqee FG300 signal generator support?\u003c\/h4\u003e\n\u003cp\u003eA: The FG300 supports 13 waveform types including sine wave, square wave, triangle wave, forward sawtooth, reverse sawtooth, ECG waveform, half-sine wave, Lorentzian wave, Gaussian wave, sinusoidal wave, exponential rise, exponential fall, and the 7.83 Hz Schumann wave via its integrated helical antenna.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the maximum frequency output of the FG300?\u003c\/h4\u003e\n\u003cp\u003eA: The FG300 can output sine waves up to 200 kHz with a flat amplitude response maintained up to 100 kHz. For all other waveform types, the recommended frequency range is 0.001 Hz to 20 kHz, though the upper limit can be exceeded if minor distortion is acceptable for your application.\u003c\/p\u003e\n\u003ch4\u003eQ: How is the FG300 powered and does it include a battery?\u003c\/h4\u003e\n\u003cp\u003eA: The FG300 is powered via a standard USB Type-C 5V connection — a Type-C cable is included in the box. It does not include or require an internal battery, making it suitable for continuous bench use.\u003c\/p\u003e\n\u003ch4\u003eQ: Does the FG300 save my settings when I turn it off?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. All configuration parameters — including frequency, waveform type, and display settings — are automatically saved to memory. When you power the unit back on, it resumes exactly where you left off with no need to re-enter your settings.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What waveforms does the Gaqqee FG300 signal generator support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The FG300 supports 13 waveform types including sine wave, square wave, triangle wave, forward sawtooth, reverse sawtooth, ECG waveform, half-sine wave, Lorentzian wave, Gaussian wave, sinusoidal wave, exponential rise, exponential fall, and the 7.83 Hz Schumann wave via its integrated helical antenna.\"}}, {\"@type\": \"Question\", \"name\": \"What is the maximum frequency output of the FG300?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The FG300 can output sine waves up to 200 kHz with a flat amplitude response maintained up to 100 kHz. 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