Wave transmission lines and networks – Negative resistance or reactance networks of the active type – Simulating specific type of reactance
Patent
1979-03-14
1981-04-07
Gensler, Paul L.
Wave transmission lines and networks
Negative resistance or reactance networks of the active type
Simulating specific type of reactance
307520, H03H 1104
Patent
active
042609682
ABSTRACT:
A band-pass filter consists of a number of circuits resistively coupled together to form a ladder network between an input and an output. Each circuit includes a positive impedance converter terminated so as to provide an impedance inversely proportional to the square of the complex frequency, preferably a capacitatively-terminated positive impedance converter is used wherein the impedance conversion ratio is proportional to the complex frequency. The input and output of the filter are resistively terminated such that all reactive elements of the filter are contained within the said circuits. Preferably the capacitors all have the same capacitance value.
REFERENCES:
patent: 3599008 (1971-08-01), Gorski-Popiel
patent: 3750037 (1973-07-01), Schmidt
Haigh David G.
Saraga Wolja
Gensler Paul L.
National Research Development Corporation
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