Enhance your radio and electronic projects with this high-precision Variable Frequency Oscillator (VFO), designed for versatile use in homebrew equipment such as superheterodyne receivers, direct conversion receivers (DCR), software-defined radios (SDR), and Ham QRP transceivers. Crafted from durable aluminum alloy, this VFO offers exceptional frequency accuracy and multiple advanced features to meet the demands of amateur radio enthusiasts and electronics hobbyists. Key Features: · Wide Frequency Range: Operates from 10kHz to 220MHz, covering a broad spectrum suitable for various radio applications and signal generation tasks. · High-Precision Tcxo Clock: Equipped with a 0.5PPM temperature-compensated crystal oscillator (Tcxo) for superior frequency stability and accuracy. · Flexible Tuning Steps: Supports multiple tuning increments including 1Hz, 10Hz, 1kHz, 5kHz, 10kHz, and 1MHz, allowing precise frequency adjustments. · Multi-Functional Generator Mode: Includes a signal generator function with configurable start frequency, end frequency, and sweep step size, ideal for testing and calibration purposes. · Adjustable Intermediate Frequency (IF) Offset: Allows fine-tuning of IF offset (+ or -) to optimize receiver performance. · 20 Band Presets: Provides convenient shortcuts for common broadcast (BCB) and HAM radio frequency bands, enhancing usability and quick access. · RX/TX Mode Selector: Designed for seamless switching between receive and transmit modes, perfect for homebrew QRP transceiver setups. · Signal Strength Indicator: Features a bar chart (S Meter) via analog input (ADC) for real-time signal monitoring. · Universal 0.96-Inch OLED Display: Utilizes a clear 128x64 resolution organic light-emitting diode display for easy readability and efficient interface. · I2C Data Transmission: Ensures high stability and accuracy in frequency control with reliable I2C communication. · Versatile Applications: Functions as a local oscillator for homebrew radios, including superheterodyne, SDR, and direct conversion receivers, as well as a simple RF or clock generator for calibration and clock reference. · Built-in Rechargeable Battery: Powered by a 3.7V 600mAh lithium battery, providing portable and convenient operation. Specifications: · Material: Aluminum Alloy · Working Frequency Range: 10kHz to 220MHz · Frequency Accuracy: 0.5PPM Tcxo clock · Tuning Steps: 1Hz, 10Hz, 1kHz, 5kHz, 10kHz, 1MHz · IF Offset: Adjustable (+ or -) · Display: 0.96 inch 128x64 OLED · Battery: Built-in 3.7V 600mAh lithium battery Package Includes: · 1 x Variable Frequency Oscillator (VFO) This Variable Frequency Oscillator combines precision, versatility, and durability in a compact design, making it an essential tool for radio amateurs and electronics developers seeking accurate frequency control and multifunctional capabilities in their projects.