| CPC G01R 15/16 (2013.01) [G01R 27/32 (2013.01)] | 7 Claims |
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1. A harmonic load-pull tuner comprising:
a low loss slotted airline, wherein the low loss slotted airline is a having an input port, an output port, two sidewalls forming a channel, an “S” shaped center conductor, and four remotely controlled mobile carriages #1, #2, #3 and #4, saddled in pairs facing each-other on the two sidewalls across the channel, each of said four remotely controlled mobile carriages holding a metallic tuning probe #1, a metallic tuning probe #2, a metallic tuning probe #3, and a metallic tuning probe #4 respectively, which its keep inserted into the channel at fixed penetration and move along the slabline to a position at a distance X from the input port,
wherein the metallic tuning probes are capacitively coupled with the “S” shaped center conductor, and
wherein carriage #1 holds metallic tuning probe #1, carriage #2 holds metallic tuning probe #2, carriage #3 holds metallic tuning probe #3 and carriage #4 holds metallic tuning probe #4, and
wherein the “S” shaped center conductor has a straight mid-section between two end bends which are terminated with coaxial connectors, a first bend at the input port and a second bend at the output port, each said bend having a span B, said “S” shaped center conductor residing in its entire length, including the straight mid-section and the bends, at equal distance between the two sidewalls of the slabline; and
wherein the metallic tuning probes #1 and #3 are inserted from one side of the two sidewalls and the metallic tuning probes #2 and #4 are inserted from the other side of the two sidewalls diametrically into the channel and held at fixed distances from the straight mid-section of the “S” shaped center conductor, sharing the slabline; and
wherein metallic tuning probe #2 can cross over metallic tuning probes #1 and #3 and metallic tuning probe #4 can also cross over metallic tuning probes #1 and #3; and
wherein carriage #1 moves the metallic tuning probe #1 to position X1, carriage #2 moves the metallic tuning probe #2 to position X2, carriage #3 moves the metallic tuning probe #3 to position X3 and carriage #4 moves the metallic tuning probe #4 to position X4.
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