Compact harmonic tuner system with rotating probes
OwnerChristos Tsironisinventor
Life of this patent
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Abstract
A compact harmonic tuner system uses a two-carriage harmonic slide-screw impedance tuner employs, single and dual frequency band metallic disc probes travelling along and rotating diametrically inside the same slabline, which therefore is only one half, instead of full, the wavelength long at the minimum frequency of operation. Using disc probes allows probe control operation without high precision vertical axes, as well as high resolution in the area where the gap between center conductor and probe is small (high GAMMA), a smooth increase of proximity between probe and center conductor and the possibility to compensate for the negative phase slope at higher GAMMA, native to traditional slide screw tuners using vertically moving square probes (slugs).
Claims4
A harmonic impedance tuner system comprising
- a) an automated two carriage slide screw tuner
- b) a system controller, and
- c) a calibration method
- wherein
- a) the tuner comprises
- a slabline between an input port and an output port with two grounded sidewalls and a center conductor;
- and two mobile carriages #1 and #2, sharing the same area of the slabline, remotely controlled using stepper-motors, mounted diametrical on top of the sidewalls, straddling the slot and sliding parallel to the axis of the slabline, said carriages controlling associated disc-shaped tuning probes #1 and #2, said probes rotating inside the slot of the slabline;
- b) the system controller comprises
- a central processor, electronic memory, electronic motor control, communication interface and associated control, communication and data collection software;
- c) the calibration method comprises
- tuner control, s-parameter acquisition routines and data processing algorithms.
Dependencies are inferred from the claim text.