Wave transmission lines and networks – Negative resistance or reactance networks of the active type – Having negative impedance
Patent
1978-03-31
1980-06-17
Gensler, Paul L.
Wave transmission lines and networks
Negative resistance or reactance networks of the active type
Having negative impedance
330107, 333213, H03H 504
Patent
active
042086418
ABSTRACT:
A hybrid integrated impedance converter circuit comprising a frequency dependent negative resistance circuit, in which two operational amplifiers are included. Each of the two operational amplifiers has an output terminal and an inverting input terminal, with a negative feedback capacitor being connected between these terminals. The negative feedback capacitor is formed by a stray capacitance which arises between conductors connected to the output and inverting input terminals, which conductors are placed in close proximity to each other.
REFERENCES:
patent: 4091329 (1978-05-01), Fletcher et al.
patent: 4091341 (1978-05-01), Greaves et al.
Gensler Paul L.
Hitachi , Ltd.
Hitachi Denshi Kabushiki Kaisha
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