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Best Choice Yuikome 
Yuikome FG-200 DDS Function Signal Generator Frequency Counter 0.01Hz -500KHz Signal Source Module Sine+Square+Sawtooth 2. Power supply: DC4-9V, DC5V is recommended when using adapter, 3.7V lithium battery is recommended when using batteryBest Value Mingzhe 
Mingzhe 60MHz Function Signal Generator High Precision Digital DDS Dual-channel Function Signal/Arbitrary Waveform Gener Adopt MagicPulse Technology, Low Jitter(RMS)<200ps.EMSea 
EMSea XR2206 High Precision Function Signal Generator DIY Kit with User Manual Sine/Triangle/Square Wave Adjustable Freq [DIY Kit] : XR2206 high precision signal generator DIY parts, need to be assembled by yourself.Pedkit 
High Precision Digital DDS Dual-channel Function Signal Source Generator Arbitrary Waveform/Pulse Frequency Meter 12Bits ☑ Using DDS direct digital synthesis technology to generate precise, stable, low distortion output signal.Tbest 
Digital Generator Hand-Hand Generator 0‑10V 0‑22MA Voltage Current Transmitter, Analog Simulator Function Generators Stable performance: the current voltage signal generator has plug-in terminal blocks, it is easy to install, stable in pGugxiom 
Gugxiom FG 100 DDS Function Generator, DDS Counter, Sine Frequency 1HZ‑500KHz, Counter Source Generator Meter, Used for MAIN FUNCTIONS: The DDS Function Generator works with oscilloscopes for testing and debugging electronic circuits, testiZopsc 
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