Double injection inductor

Claim 2

An inductive circuit comprising: first and second circuit terminals; a two terminal body of solid-state matter capable of having simultaneously present therein mobile positive and negative charge carriers thereby exhibiting positive resistances and inductance characteristics; bias potential means coupled across said body for applying a bias potential across said body to inject positive and negative charge carriers thereinto, to control the magnitudes of its positive resistances and inductance; and means for coupling said body to said first and second circuit terminals to provide an inductance thereacross, which is equal to the inductance of said body, said means for coupling including means for providing negative resistances of magnitudes related to the magnitudes of the positive resistance of the body, said bias potential means including means for varying the bias potential applied across said body to control the magnitudes of the inductance and positive resistances exhibited by said body.

Claim 3

An inductive circuit comprising: first and second circuit terminals; a two-terminal body of solid-state matter capable of having simultaneously present therein mobile positive and negative charge carriers thereby exhibiting positive resistances and inductance characteristics; bias potential means coupled across said body for applying a bias potential across said body to inject positive and negative charge carriers thereinto, to control the magnitudes of its positive resistances and inductance; and means for coupling said body to said first and second circuit terminals to provide an inductance thereacross, which is equal to the inductance of said body, and said two-terminal body being representable by a network comprising first and second parallel branches connected Across its two terminals, said branch consisting of a first resistor connected between the two terminals and said second branch consisting of an inductor in series with a second resistor connected across the two terminals, the magnitude of said inductor and the magnitudes of the positive resistances of said first and second resistors being a function of the bias potential across said body, and said means for coupling include means for providing negative resistances whose magnitudes are related to the magnitudes of the positive resistances of said first and second resistors.

Claim 4

An inductive circuit comprising: first and second circuit terminals; a two-terminal body of solid-state matter capable of having simultaneously present therein mobile positive and negative charge carriers thereby exhibiting positive resistances and inductance characteristics; bias potential means coupled across said body for applying a bias potential across said body to inject positive and negative charge carriers thereinto, to control the magnitudes of its positive resistances and inductance; and means for coupling said body to said first and second circuit terminals to provide an inductance thereacross, which is equal to the inductance of said body, and said two-terminal body being representable by a network comprising first and second parallel branches connected Across its two terminals, said branch consisting of a first resistor connected between the two terminals and said second branch consisting of an inductor in series with a second resistor connected across the two terminals, the magnitude of said inductor and the magnitudes of the positive resistances of said first and second resistors being a function of the bias potential across said body, and said means for coupling include means for providing negative resistances whose magnitudes are related to the magnitudes of the positive resistances of said first and second resistors.

Claim 5

The arrangement as recited in claim 4 wherein said means for coupling include a first device connected in parallel across said body for providing a negative resistance of a magnitude related to the magnitude of the positive resistance of said first resistor, and a second device, connected in series between said second circuit terminal and one terminal of said body, to provide a negative resistance of a magnitude related to the magnitude of the positive resistance of said second resistor.

Claim 6

The arrangement as recited in claim 5 wherein said bias potential means include means for varying the bias potential applied across said body to control the magnitudes of the inductance and positive resistances exhibited by said body.

Claim 7

An inductive circuit comprising: a double-injection diode, having first and second diode terminals and having the characteristics of an inductor connected in series with a first resistor between said first and second diode terminals and a second resistor connected to said first and second diode terminals; bias means for applying a bias potential across the first and second diode terminals; first and second circuit terminals; and resistance means coupled to said circuit terminals and to said diode terminals for compensating for the resistance values of the first and second resistors, forming part of the diode''s electrical equivalence, with said diode exhibiting an inductance characteristic across said circuit terminals which is a function of the diode''s bias potential, said resistance means including first means coupled between said first diode terminal and said first circuit terminal for providing a negative resistance which is substantially equal to the resistance of said first resistor, and second means coupled in parallel with said diode for providing a negative resistance which is substantially equal to the resistance of said second resistor.

Claim 8

An inductive circuit comprising: a double-injection diode, having first and second diode terminals and having the characteristics of an inductor connected in series with a first resistor between said first and second diode terminals and a second resistor connected to said first and second diode terminals; bias means for applying a bias potential across the first and second diode terminals; first and second circuit terminals; and resistance means coupled to said circuit terminals and to said diode terminals for compensating for the resistance values of the first and second resistors, forming part of the diode''s electrical equivalence, with said diode exhibiting an inductance characteristic across said circuit terminals which is a function of the diode''s bias potential, said resistance means including first means coupled between said first diode terminal and said first circuit terminal for providing a negative resistance which is substantially equal to the resistance of said first resistor, and second means coupled in parallel with said diode for providing a negative resistance which is substantially equal to the resistance of said second resistor.

Claim 9

The arrangement as recited in claim 5 wherein the inductance across said circuit terminals includes an inductance value of several henries.

Claim 10

The arrangement as recited in claim 5 wherein said bias means include means for varying the bias potential across said diode to control the inductance across said circuit terminal to vary from less than 1 henry to several henries.