Achieving Exact and Constant Turnaround Ratio in a DDS-Based Coherent Transponder
TBMG-11891
11/01/2011
- Content
A report describes a non-standard direct digital synthesizer (DDS) implementation that can be used as part of a coherent transponder so as to allow any rational turnaround ratio to be exactly achieved and maintained while the received frequency varies. (A coherent transponder is a receiver-transmitter in which the transmitted carrier is locked to a pre-determined multiple of the received carrier’s frequency and phase. That multiple is called the turnaround ratio.)
- Citation
- "Achieving Exact and Constant Turnaround Ratio in a DDS-Based Coherent Transponder," Mobility Engineering, November 1, 2011.