Enhance your frequency generation capabilities with this advanced 0~55MHz DDS Signal Generator, designed around the reliable AD9850 chip for precise and easy operation. This signal generator supports continuous frequency adjustment from 0 to 55MHz in fine 1Hz increments, making it ideal for a wide range of radio frequency applications, testing, and development projects. Key Features: · Wide Frequency Range: Supports 0~55MHz continuous frequency output with 1Hz step adjustment, providing high resolution and flexibility for various signal generation needs. · AD9850 Chip-Based Design: Utilizes the proven AD9850 direct digital synthesis (DDS) chip, ensuring stable and accurate frequency generation. · Efficient Voltage Regulation: Equipped with a 78L05 voltage regulator, operating optimally at an input voltage of 8-9V and input current of 200mA, delivering stable performance. · Short-Term 12V Input Support: Allows 12V input for short-duration testing, but prolonged use at this voltage may cause the board to heat up, so 8-9V input is recommended for regular operation. · Multiple Frequency Bands: Features six selectable frequency bands corresponding to key amateur radio bands (3.8, 7, 9, 14, 18 or 21, 27 or 29 MHz), providing versatile operation for different communication needs. · Multi-Mode Operation: Supports ISB, USB, and CW modes for versatile signal generation tailored to various transmission requirements. · User-Friendly Controls: Includes encoder switch (ENC), memory mode switch (MEM), VFO switching, and mode selection keys (SSB, RIT, CAL) for intuitive operation and fine frequency tuning. · Flexible Power Options: Can be powered independently or via the main board’s 8V power supply, eliminating the need for a separate power source when integrated. · Compact and Lightweight: Measuring approximately 8.2 x 4.5 cm and weighing only 115g, this DDS signal generator is easy to install and integrate into your projects. Specifications: · Frequency Range: 0~55MHz continuous adjustment with 1Hz step · Chip Model: AD9850 · Input Voltage: Recommended 8-9V DC (200mA), 12V for short-term testing only · Frequency Bands: Six bands - 3.8, 7, 9, 14, 18 or 21, 27 or 29 MHz · Operating Modes: ISB, USB, CW · Dimensions: Approx. 8.2 x 4.5 cm (3.2 x 1.8 inches) · Weight: 115g Package Includes: · 1 x DDS Signal Generator This DDS Signal Generator is an essential tool for amateur radio enthusiasts, engineers, and hobbyists requiring precise and adjustable frequency signals. Its robust AD9850 chip, wide frequency range, and multiple operating modes make it a versatile and reliable component for your RF projects and experiments. Please note that the product may be shipped as either the new or old version randomly.