SDR Tx Software
Software Defined Radio Transmitter Software, written by Peter Martinez, G3PLX. Takes microphone input and generates the I/Q output drive for a quadrature upconverter forming the heart of an SDR Transmitter.
The software offers : One or two soundcard operation, Tuning / CW tone output, automatic microphone gain adjustment, LSB/USB/AM/FM modes, amplitude and phase balance.
Download the SDR Transmitter software
Several tested IQ Upconverter designs including one for 145MHz that could form the basis of a microwave transverter driver.
Pointers and suggestions to other ideas...