Abstract: A radio frequency (RF) converter system and associated method are provided for generating and/or receiving RF signals. Included is a signal conversion circuit for digital signal processing (DSP) or converting between digital signals and analog signals. Further provided is a shifting circuit in communication with the signal conversion circuit. In transmit mode, the shifting circuit is adapted for at least one of frequency shifting and phase shifting the signals, as a function of either an oscillating signal or a baseband signal to generate modulated signals. Further included are a transmit/receive port and a termination circuit in communication with shifting circuit for transmitting the modulated signals and selecting a portion of the transmitted modulated signals, respectively. Still yet, an output filter or mixer may be provided. In receive mode, the shifting circuit is adapted for receiving a non-varying DC signal from the signal conversion circuit.

Abstract: Devices and methods are presented for providing an AC signal delay. By control charging the interelectrode capacitance of the devices the length of the rise and fall times of a switching device can be increased and the signal accordingly delayed. Electrical circuitry is provided having a variable AC signal control means and a capacitor-switch joined to the signal control means. Changing the bias of the capacitor-switch will terminate the time delay. A signal entering the circuit input is therefore adjustably delayed and exactly reproduced prior to exiting the circuitry.