20K-220MHz VFO/RF Generator SDR HAM QRPRadio Debugger Superheterodyne Receiver

Description This is a VFO Variable Frequency Oscillator project that can be used for DIY self made devices such as superheterodyne receivers DCR transceivers SDR transceivers or Ham QRP transceivers It also has bar graph indicators for signal strength S Meter and 20 Band presets And can also be used as an RF clock generator Features It has 10kHz to 220MHz working ranges 0 5PPM high precise Tcxo clock 3 7V 600mAh the frequency is more accurate Tuning step of 1Hz 10Hz 1kHz 5kHz 10kHz and 1MHz Intermediate frequency IF offset or are adjustable 20 band presets shortcut for BCB and HAM frequencies Equipped with generator function mode RX TX mode selector for Homebrew QRP transceivers The bar graph of the signal meter through the analogs input ADC It can be used as a local oscillator on Homebrew radio receivers such as superheterodyne SDR direct conversion and Homebrew QRP transceivers Can be used as a simple RF clock generator for calibration reference or clock generation And also can be used as a common 128x64 I2C OLED SSD1306 display and Si5351 module I2C data transmission only need 2 lines it can be connected to the display with high stability and accuracy of frequency generation Specifications Name SDR TransceiversItem size 90 x 100 x 40mm 3 54 x 3 94 x 1 57inItem weight 200g 7 05ouncePackage size 175 x 126 x 55mm 6 89 x 4 96 x 2 17inPackage weight 256g 9 03ouncePackage included 1 x SDR Transceivers1 x Type C Cable