Features • Exquisite Craftsmanship: Enjoy a high-quality melodica that delivers beautiful, clear sound, thanks to meticulous attention to detail in its key alignment and smooth finish • Premium Plastic Material: This melodica is lightweight and , made from high-quality plastic that resists wear, ensuring long-lasting performance and aesthetic appeal • Easy to Operate: Designed for everyone, this melodica features responsive keys and includes 2 soft blow pipes and 2 moutieces for effortl playing, for beginners and pros alike • Versatile Use: Compact and portable, this melodica can be played anywhere, making it ideal for impromptu performances or practice sions, whether at home or on the go • Thoughtful Gift Set: Complete with a storage bag and cleaning cloth, this melodica set is a gift for music lovers of all ages, encouraging both beginners and adults to explore their musical talents Features: 1、Flexible: The AD630's application flexibility makes it ideally suited for applications requiring accurate fixed gain, switching gain, multiplexing, integrated switching capabilities, and high accuracy amplification. 2、100 dB Dynamic Range: The AD630's 100 dB dynamic range exceeds that of any hybrid or IC balanced modulator or demodulator and is comparable to that of expensive signal procing instruments. 3、al Amplifier Design: The al amplifier design of the AD630 is easy to implement for high gain or complex switching feedback functions. The application of resistors facilitates the implementation of the most common applications without the need for additional devices. 4、Multiplexer: The AD630 can be used as a 2 channel multiplexer with gains of 1, 2, 3, or 4. 100 dB of channel isolation at 10 kHz is close to the limit that can be achieved with an empty IC package. 5、No Calibration Required: In most cases, the AD630 module's laser tuning and amplification channel offsets do not require external zero calibration. Specification: Item Type: AD630 Module Model: AD630 Can Recover Signal From 100 dB Noise Channel Bandwidth: 2 MHz Slew Rate: 45 V/μs Low Crosstalk: -120 dB (1 kHz), -100 dB (10 kHz) Pin Programmable, Closed Loop Gain: ±1 and ±2 Closed Loop Gain Accuracy and Matching: 0.05% Channel Offset Voltage: 100 μV (AD630BD) 350 kHz Full Power Bandwidth Package List: 1 x AD630 Module Package List 1 x AD630 Module