Enhance your radio frequency 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 with durable aluminum alloy, this VFO delivers exceptional frequency accuracy and stability, making it an essential tool for amateur radio enthusiasts and electronics hobbyists. Key Features: · Wide Frequency Range: Operates from 10kHz to 220MHz, covering a broad spectrum suitable for various RF applications. · High Precision Tcxo Clock: Equipped with a 0.5PPM temperature-compensated crystal oscillator (TCXO) to ensure ultra-accurate frequency output. · Multiple Tuning Steps: Offers flexible frequency tuning increments including 1Hz, 10Hz, 1kHz, 5kHz, 10kHz, and 1MHz for precise control. · Adjustable Intermediate Frequency (IF) Offset: Allows fine-tuning of IF offset in both positive and negative directions to match specific system requirements. · 20 Preset Frequency Bands: Includes convenient shortcut presets for BCB and HAM bands, streamlining operation and quick access. · Signal Generator Function: Features a generator mode with customizable start frequency, end frequency, and sweep step size, enabling use as an RF or clock generator. · RX/TX Mode Selector: Supports receive and transmit modes, ideal for homebrew QRP transceiver applications. · Signal Strength Bar Chart: Integrated analog-to-digital converter (ADC) provides a visual S Meter for real-time signal strength monitoring. · Compact 0.96-Inch OLED Display: Utilizes a universal 128x64 I2C organic light-emitting diode display for clear and efficient frequency readout. · I2C Data Transmission: Ensures high stability and accuracy with reliable two-wire I2C communication for display and module connectivity. · Built-in Rechargeable Battery: Powered by a 3.7V 600mAh lithium battery, offering portability and extended usage time. Specifications: · Material: Aluminum Alloy · Frequency Range: 10kHz to 220MHz · Frequency Accuracy: 0.5PPM TCXO · Tuning Steps: 1Hz, 10Hz, 1kHz, 5kHz, 10kHz, 1MHz · Display: 0.96 inch 128x64 OLED (I2C) · Power Supply: 3.7V 600mAh lithium battery (built-in) · IF Offset: Adjustable (+/-) · Preset Bands: 20 Package Includes: · 1 x Variable Frequency Oscillator This Variable Frequency Oscillator combines precision, versatility, and durability, making it an ideal choice for RF enthusiasts seeking a reliable frequency source for their homebrew radios, signal generation, and calibration tasks. Its compact design and advanced features ensure seamless integration into your projects, enhancing performance and accuracy.