PATENT CLAIM ANALYSIS

Application Number: 15752692
Application Type: Utility
Filing Date: 2018-02
Publication Date: 2018-08
Patent Classification: ["702", "057000"]

Abstract:
A device and method of testing the dual-frequency nonlinear vector network parameters. In view of the challenge of the nonlinear behavioral model characterization of the microwave device components, and the current situation of the nonlinear vector network parameter testing, the disclosed device and method of testing the dual-frequency nonlinear vector network parameters redefines the nonlinear model parameters of the nonlinear device components, gives the definition of the test parameter (W-parameter), solves the challenges of the dual-frequency nonlinear behavioral model characterization and testing for the microwave device components, and makes it more convenient to measure the nonlinear characteristics of the mixer, amplifier and passive device components.

Claim (Index 2):
A method of testing the dual-frequency nonlinear vector network parameters, the method comprising using the device for testing the dual-frequency nonlinear vector network parameters according to  claim 1  and the method further comprising the following steps:\n Step 1: Conducting a two-port network under test by connecting the device under test to the first testing port and the third testing port; \n Step 2: Testing a single-frequency reflection response and a single-frequency transmission response by turning off the second signal source, letting the first selector switch gate on the first testing port, letting the third selector switch gate on the first signal source and letting the fourth selector switch gate on the first load; the test signal generated by the first signal source being loaded by the first testing port to the device under test and the signal transmitted to the third testing port being absorbed by the first load; after calibration, testing the forward full frequency band S-parameter of the two-port network and testing the single-frequency reflection response and the single-frequency transmission response using the test results of the R1 receiver, A receiver and C receiver; \n Step 3: Testing a single-frequency backward reflection response and a single-frequency backward transmission response by turning off the first signal source, letting the second selector switch gate on the third testing port, letting the third selector switch gate on the second load, letting the fourth selector switch gate on the second signal source; the test signal generated by the second signal source being loaded by the third testing port to the device under test and the signal transmitted to the first testing port being absorbed by the second load; after calibration, testing the backward full frequency band S-parameter of the two-port network and testing the single-frequency backward reflection response and the single-frequency backward transmission response using the test results of the R2 receiver, A receiver and C receiver; \n Step 4: Testing a forward harmonic response by letting the first selector switch gate on the first testing port, letting the second selector switch gate on the third testing port, letting the third selector switch gate on the first signal source, letting the fourth selector switch gate on the first load, letting the sixth selector switch gate on the R receiver, letting the fifth selector switch gate on the first signal source, letting the first multiplier selection unit select N-tuple, where N is a positive integer greater than 2, after calibration, testing the N-times harmonic response and testing the forward harmonic response using the test results of the R receiver, R1 receiver, A receiver and C receiver; \n Step 5: Testing the a backward harmonic response letting the first selector switch gate on the first testing port, letting the second selector switch gate on the third testing port, letting the third selector switch gate on the first signal source, letting the fourth selector switch gate on the first load, letting the sixth selector switch gate on the R receiver, letting the fifth selector switch gate on the first signal source, letting the second multiplier selection unit select N-tuple, where N is a positive integer greater than 2, after calibration, testing the N-times harmonic response, and testing the backward harmonic response using the test results of the R receiver, R1 receiver, A receiver and C receiver; \n Step 6: Repeating the on-off actions in Steps 4 and 5, testing the impact of the harmonic frequency on a fundamental frequency, and testing the response of a 1/N frequency component of a excitation frequency; \n Step 7: Testing an intercoupling effect of dual-tone signals by, assuming a frequency difference between two signals is \u0394=\u03c9 2 \u2212\u03c9 1  and testing the intercoupling effect of the dual-tone signals; \n Step 8: Testing a forward excitation response by letting the first selector switch gate on the first testing port, letting the second selector switch gate on the first testing port, the output of which is a dual-tone signal, and testing the forward excitation response using the data from the R1 receiver, R2 receiver, A receiver, B receiver and C receiver; \n Step 9: Testing a backward excitation response by letting the first selector switch gate on the third testing port, letting the second selector switch gate on the third testing port, the output of which is a dual-tone signal, and testing the backward excitation response using the data from the R1 receiver, R2 receiver, A receiver, B receiver and C receiver; \n Step 10: Testing a forward response and a backward response of a dual-tone signal sum frequency by letting the first selector switch gate on the first testing port, letting the second selector switch gate on the first testing port, the output of which is a dual-tone signal, letting the first multiplier selection unit select pass-through, letting the second multiplier selection unit select pass-through, letting the sixth selector switch and the seventh selector switch select frequency mixing, letting the fifth selector switch select the mixed frequency output, letting the receiving frequency of the R receiver be \u03c9 1 +\u03c9 2 , testing the forward response of the dual-tone signal sum frequency and the backward response of the dual-tone signal sum frequency using the data from the R receiver, R1 receiver, B receiver and C receiver when the third testing port outputs a dual-tone signal; \n Step 11: Testing the forward response and the backward response of a dual-tone signal beat frequency by letting the first selector switch gate on the first testing port, letting the second selector switch gate on the first testing port, the output of which is a dual-tone signal, letting the first multiplier selection unit select pass-through, letting the second multiplier selection unit select pass-through, letting the sixth selector switch and the seventh selector switch select frequency mixing, letting the fifth selector switch select the mixed frequency output, letting the receiving frequency of the R receiver be \u03c9 2 \u2212\u03c9 1 , testing the forward response and the backward response of the dual-tone signal beat frequency using the data of the R receiver, R1 receiver, B receiver and C receiver when the third testing port outputs a dual-tone signal; \n Step 12: Testing a forward third-order intermodulation and a backward third-order intermodulation of the dual-tone signal sum frequency by letting the first selector switch gate on the first testing port, letting the second selector switch gate on the first testing port, the output of which is a dual-tone signal, letting the first multiplier unit select pass-through, letting the second multiplier selection unit select pass-through, letting the sixth selector switch and the seventh selector switch select frequency mixing, letting the fifth selector select mixed frequency output, letting the receiving frequency of the R receiver be 2\u03c9 1 +\u03c9 2  or \u03c9 1 +2\u03c9 2 , testing the forward third-order intermodulation and the backward third-order intermodulation of the dual-tone signal sum frequency using the data from the R receiver, R1 receiver, B receiver and C receiver when the third testing port outputs a dual-tone signal; \n Step 13: Testing the forward third-order intermodulation and the backward third-order intermodulation of the dual-tone signal beat frequency by letting the first selector switch gate on the first testing port, letting the second selector switch gate on the first testing port, the output of which is a dual-tone signal, letting the first multiplier unit select pass-through, letting the second multiplier selection unit select pass-through, letting the sixth selector switch and the seventh selector switch select frequency mixing, letting the fifth selector select mixed frequency output and letting the receiving frequency of the R receiver be 2\u03c9 1 \u2212\u03c9 2  or 2\u03c9 2 \u2212\u03c9 1 , testing the forward third-order intermodulation and the backward third-order intermodulation of the dual-tone signal beat frequency using the data from the R receiver, R1 receiver, B receiver and C receiver when the third testing port outputs a dual-tone signal; \n Step 14: Expressing the test results using a dual-frequency nonlinear microwave W scattering function matrix,  8  b]=[W][a], W i,j =W (l,k) (m b ,n b )\u2212(m a ,n a ) , where, i and j represent the positions of the W matrix, k represents the port number of the input a-wave, l represents the port number of the output b-wave, m and n represent the dual-tone orders and both are integers and don't assume 0 simultaneously, (m a ,n a ) represents the frequency of the a-wave at a frequency of m a \u03c9 1 +n a \u03c9 2  and (m b ,n b )\u2212(m a ,n a ) represents the response of the b-wave to the a-wave at a frequency of m b \u03c9 1 +n b \u03c9 2 .

Metadata:
- Claim Count in Document: 1.0
- Percentile: 88.0
- Lexical Diversity: 2.5
- Patent Class: 702.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['14006603', '13811177', '11259766', '13156177', '14664568']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.1637062437399723
- 35 USC 102 Novelty (BERT): 0.475889825715668
- Combined Prediction Score: 0.1949246019375419
- Mean Citation Score: 157.001344
- Max Citation Score: 164.74811
- Similarity Product: 122.12514990086136

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 1
- Claim Label 112: 1
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test