Abstract: This letter presents a low-power analog error-based statistical module for characterizing the nonlinear distortions of $Ka$ -band power amplifiers (PAs ...
Single Board Computer(SBC): Raspberry Pi 3/4 A/D converter: KY-053 Analog Digital Converter (ADS1115, 16-bit) via default I2C adr.=0x48 Joystick: 3x analog 10K resistors. X-, Y- and Twist-axis.
When it comes to viewing nebulae, galaxies, and other deep-sky objects, amateur astronomers on a budget have had two options.