High frequency push-pull transformer

Details High frequency push-pull transformer High frequency push-pull transformer

1988-03-17

1989-08-15

Mottola, Steven

Wave transmission lines and networks

Coupling networks

Balanced to unbalanced circuits

330 55, 343859, H01P 510

Patent

active

048578690

ABSTRACT:
This invention relates to a push-pull transformer for use in a high frequency push-pull amplifier. This push-pull transformer has a coaxial line whose one end is connected to an input terminal, while the other end thereof is provided with an internal conductor and an outer conductor, the internal and outer conductors being grounded through stubs. A capacitor having a proper capacity is connected between the internal conductor and the outer conductor whereby the push-pull transformer can be properly actuated in a low frequency range other than the frequency used without any necessity to enlarge the size of the stubs.

REFERENCES:
patent: 2636122 (1953-04-01), Hayes
patent: 2744167 (1956-05-01), Amy et al.
patent: 3223939 (1965-12-01), Lawrence, Jr.
patent: 3404404 (1968-10-01), Theakston
"Three Balun Designs for Push-Pull Amplifiers", Microwaves, vol. 19, No. 7, Jul. 1980, pp. 47-52.

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