Description: brand new and high quality. Feature: This signal generator DIY kit is professional product to generate sine/for triangle/square/forward and reverse sawtooth wave. It's a DIY kit for you to weld and install. Uses ICL8038 and high-speed op amp, higher accuracy. Can output sine/for triangle/square/forward and reverse sawtooth waveforms. Supports dual power amplifier without blocking the capacitor to ensure high and low frequency signal distortion. Adjustable frequency and amplitude. Frequency adjustment features coarse tuning and fine tuning-. All are through hole components, easy to install. Specifications: Item Type: Signal Generator Frequency Range: 5Hz-400kHz Duty Cycle Range: 2-95%(Adjustable) Supply Voltage: 12V-15V Low Distortion Sine Wave: 1% Low Temperature Drift: 50ppm/C Output Triangular Wave Linearity: 0.1% for DC Bias Range: -7.5V-7.5V Output Amplitude Range: 0.1V-11VPP(operating voltage 12V) Material: PCB Board Size: PCB Board: 60x45mm/2.3x1.7in Color: Red Quantity: 1 Set Note: No retail package. Transition: 1cm=10mm=0.39inch Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 x Signal Generator DIY Kit