A USB Programmable High Stability LO For Microwave Transverters

摘要

From a functional standpoint, the apolLO was an easy project to build. The block diagram and conceptualization of the project was simple. As with any highly integrated design, though, there are a lot of details that have to be considered. The synthesizer itself has several parameters that can be tweaked, and software had to be written on both the PIC and the PC to make the whole package come together. The apolLO I has been a good project to experiment with oscillators and it serves its function of replacing the aging MICROLO. The variable output, PC programmability and ability to move the oscillator to a wide range of frequencies gives the design a lot of flexibility to be used in a number of different projects, not just as a replacement for the MICROLO.