This flow graph is the DSP for a minimal single frequency FM Simplex Transceiver. The intended use of this DSP is the FM Simplex IF for higher frequency microwave rigs. Microwave rigs use VHF/UHF/microwave transceivers as the IF after the first microwave conversion stage. An FM DSP is useful where signals are strong and rapid signal acquisition is important, say a microwave contest or just rag chewing with a local. For more demanding communication needs, a SSB and CW companion DSP is presented in the menu as a Single Band VHF/UHF multi-mode IF SDR: Multi-mode Single Frequency IF Transceiver
This rig is easily reprogrammed to function as any IF within the frequency range of the SDR to an IF needed for a particular microwave application. This DSP is configured as a 144.1 MHz transceiver IF. Some of the labeling reflects this specific frequency translation to 24 GHz. The IF frequency and labeling is easily changed by the user for the intended application.
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The .grc file for this DSP is available here: Single Frequency FM Transceiver
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