Binary phase shift keying modulation system and/or frequency multiplier

A BPSK Modulator circuit utilizing a loosely coupled transformer to adjust carrier suppression in a spread spectrum system, comprising:

• a transformer, said transformer further comprising first induction means having a carrier input leg and an output leg, second induction means loosely coupled with said first induction means, said second induction means having first and second leg output, said transformer configured such that said first and second leg outputs of said second induction means modulates at opposite phases of 180 and 0 degrees, forming "MOD +" and "MOD -", respectively, relative a carrier signal supplied to said carrier input of said first induction means;
• first and second capacitors, said first capacitor in parallel circuit with said carrier input leg and grounded output leg of said first induction means, said second capacitor in parallel circuit with said first and second leg outputs of said second induction means,
• first and second phase selection means configured to modulate via input of said first and second outputs of said second induction means, said first and second phase selection means further comprising first and second load transistors, respectively, each having an emitter, a collector, and a base, said base of said first transistor in serial circuit with said first leg output of said second inductor, receiving said "MOD +", said base of said second transistor in serial circuit with said second leg output of said second inductor, receiving said "MOD -".

A BPSK Modulator circuit having a tightly coupled transformer having no center tap and a single parallel resonate capacitor on the secondary to provide BPSK modulation, comprising:

• a transformer, said transformer further comprising first induction means having a carrier input leg and an output leg, second induction means tightly coupled to said first induction means, said second induction means having first and second leg outputs, said transformer configured such that said first and second leg outputs of said second induction means modulates at opposite phases of 180 and 0 degrees, forming "MOD +" and "MOD -", respectively, relative a carrier signal supplied to said carrier input of said first induction means;
• band pass filter means for filtering harmonic suppression from said transformer, said band pass filter means further comprising a resonate capacitor in parallel circuit with said first and second leg outputs of said second induction means;
• first and second phase selection means configured to modulate via input of said of said first and second outputs of said second induction means, said first and second phase selection means further comprising first and second load transistors, respectively, each having an emitter, a collector, and a base, said base of said first transistor in circuit with said first leg output of said second inductor, receiving said "MOD +", said base of said second transistor in circuit with said second output of said second inductor, receiving said "MOD -".

The method of modulating a carrier between a 0 degree phase shift and a 180 degree phase shift, comprising the following steps:

• a. providing a transformer, said transformer further comprising first induction means having a carrier input leg and an output leg, and second induction means having first and second leg outputs, and a tunable slug or core in communication with said first and second induction means;
• b. tuning said slug or core such that said first and second leg outputs of said second induction means modulates at opposite phases of 180 and 0 degrees, forming "MOD +" and "MOD -", respectively, relative a carrier signal supplied to said carrier input of said first induction means;
• c. providing first and second phase selection means configured to modulate via input of said first and second leg outputs of said second induction means, said first and second phase selection means further comprising first and second load transistors, respectively, each having an emitter, a collector, and a base;
• d. configuring said base of said first transistor in circuit with said first output leg of said second inductor, receiving said "MOD +", said base of said second transistor in circuit with said second output leg of said second inductor, receiving said "MOD -".

The method of utilizing a loosely coupled transformer to adjust carrier suppression, modulating a carrier signal between a 0 degree phase shift and a 180 degree phase shift, comprising the following steps:

• a. providing a transformer, said transformer further comprising an inductor having first induction means having a carrier input leg, an output leg, and windings, and second induction means having first and second leg outputs and windings;
• b. coupling said windings of said first and second induction means to a >0.6 and <0.3 coupling coefficient;
• c. modulating said inductor at opposite phases of 180 and 0 degrees, forming "MOD +" and "MOD -", respectively, relative a carrier signal supplied to said carrier input of said first induction means;
• d. providing first and second phase selection means configured to modulate via input of said first and second leg outputs of said second induction means, said first and second phase selection means further comprising first and second load transistors, respectively, each having an emitter, a collector, and a base;
• e. configuring said base of said first transistor in circuit with said first output leg of said second inductor, receiving said "MOD +", said base of said second transistor in circuit with said second output leg of said second inductor, receiving said "MOD -".

The method of multiplying a carrier to provide a higher frequency harmonic, comprising the following steps:

• a. providing a transformer, said transformer further comprising first induction means having a carrier input leg and an output leg, and second induction means having first and second leg outputs, and a tunable slug or core in communication with said first and second induction means;
• b. tuning said slug or core such that said first and second leg outputs of said second induction means modulates at opposite phases of 180 and 0 degrees, forming "MOD +" and "MOD -", respectively, relative a carrier signal supplied to said carrier input of said first induction means;
• c. providing phase selection means configured to modulate via input of said of said first and second outputs of said second induction means, said phase selection means having a F.sub.t >1 GHZ, and further comprising an emitter, and first and second bases or the equivalent, said first base in circuit with said first output of said second inductor, receiving said "MOD +", said second base in circuit with said second output of said second inductor, receiving said "MOD -",
• d. configuring said first base in circuit with said first output leg of said second inductor, receiving said "MOD +", and said second base in circuit with said second output leg of said second inductor, receiving said "MOD -", multiplying the carrier to provide a higher frequency harmonic.

The method of utilizing a loosely coupled transformer to adjust carrier suppression, modulating a carrier signal between a 0 degree phase shift and a 180 degree phase shift, and multiplying a carrier to provide a higher frequency harmonic, comprising the following steps:

• a. providing a transformer, said transformer further comprising an inductor having first induction means having a carrier input leg, an output leg, and windings, and second induction means having first and second leg outputs and windings;
• b. coupling said windings of said first and second induction means to a >0.6 and <0.3 coupling coefficient;
• c. modulating said inductor at opposite phases of 180 and 0 degrees, forming "MOD +" and "MOD -", respectively, relative a carrier signal supplied to said carrier input of said first induction means;
• d. providing phase selection means configured to modulate via input of said of said first and second outputs of said second induction means, said phase selection means having a F.sub.t >1 GHZ, and further comprising an emitter, and first and second bases or the equivalent, said first base in circuit with said first output of said second inductor, receiving said "MOD +", said second base in circuit with said second output of said second inductor, receiving said "MOD -".
• e. configuring said first base in circuit with said first output leg of said second inductor, receiving said "MOD +", and said second base in circuit with said second output leg of said second inductor, receiving said "MOD -", multiplying the carrier to provide a higher frequency harmonic.

A BPSK modulator comprising:

• a center tapped transformer having first and second primary legs, said center tapped transformer having a secondary;
• amplification means coupled to both first and second primary legs of said center tapped transformer;
• selection means, coupled through said amplification means to said center tapped transformer, said selection means driven by a BPSK data input, for enabling one of the first and second primary legs of said center tapped transformer;
• and
• coupling means attached to said secondary of said center tapped transformer to yield BPSK carrier modulation.

A BPSK modulator comprising:

• a plurality of logic gates, each logic gate coupled to a primary leg of a transformer, to provide amplification;
• selection means, responsive to a BPSK data input, to enable one of said plurality of logic gates;
• and
• coupling means to yield a BPSK modulating carrier signal on a secondary of the transformer.

A frequency multiplier circuit utilizing a loosely coupled transformer to adjust carrier suppression, comprising:

• a transformer, said transformer further comprising first induction means having a carrier input leg and an output leg, second induction means loosely coupled with said first induction means, said second induction means having first and second leg outputs, said transformer configured such that said first and second leg outputs of said second induction means modulate at opposite phases of 180 degrees and 0 degrees, forming "MOD +" and "MOD -", respectively, relative to a carrier signal supplied to said carrier input of said first induction means;
• first and second capacitors, said first capacitor in parallel circuit with said first and second leg outputs of said second induction means;
• and
• phase selection means configured to modulate via input of said first and second outputs of said second induction means, said phase selection means having a F.sub.t >1 GHz, and further comprising an emitter, and first and second bases or the equivalent, said first base in circuit with said first output of said second induction means, receiving said "MOD +", said second base in circuit with said second output of said second induction means, receiving said "MOD -".

The method of multiplying a carrier to provide a higher frequency harmonic, comprising the following steps:

• a. providing a transformer, said transformer further comprising first induction means having a carrier input leg and an output leg, and second induction means having first and second leg outputs, and a tunable slug or core in communication with said first and second induction means;
• b. tuning said slug or core such that said first and second leg outputs of said second induction means modulates at opposite phases of 180 and 0 degrees, forming "MOD +" and "MOD -", respectively, relative a carrier signal supplied to said carrier input of said first induction means;
• c. providing phase selection means configured to modulate via input of said of said first and second outputs of said second induction means, said phase selection means having a F.sub.t >1 GHZ, and further comprising an emitter, and first and second bases or the equivalent, said first base in circuit with said first output of said second inductor, receiving said "MOD +", said second base in circuit with said second output of said second inductor, receiving said "MOD -";
• and
• d. configuring said first base in circuit with said first output leg of said second inductor, receiving said "MOD +", and said second base in circuit with said second output leg of said second inductor, receiving said "MOD -", multiplying the carrier to provide a higher frequency harmonic.

The method of utilizing a loosely coupled transformer to adjust carrier suppression, modulating a carrier signal between a 0 degree phase shift and a 180 degree phase shift, and multiplying a carrier to provide a higher frequency harmonic, comprising the following steps:

• a. providing a transformer, said transformer further comprising an inductor having first induction means having a carrier input leg, an output leg, and windings, and second induction means having first and second leg outputs and windings;
• b. coupling said windings of said first and second induction means to a >0.6 and <0.3 coupling coefficient;
• c. modulating said inductor at opposite phases of 180 degrees and 0 degrees, forming "MOD +" and "MOD -", respectively, relative to a carrier signal supplied to said carrier input of said first induction means;
• d. providing phase selection means configured to modulate via input of said of said first and second outputs of said second induction means, said phase selection means having a F.sub.t >1 GHZ, and further comprising an emitter, and first and second bases or the equivalent, said first base in circuit with said first output of said second inductor, receiving said "MOD +", said second base in circuit with said second output of said second inductor, receiving said "MOD -".
• e. configuring said first base in circuit with said first output leg of said second inductor, receiving said "MOD +", and said second base in circuit with said second output leg of said second inductor, receiving said "MOD -", multiplying the carrier to provide a higher frequency harmonic.

The method of multiplying a carrier to provide a higher frequency harmonic, comprising the following steps:

• a. providing a fixed transformer, said transformer further comprising first induction means having a carrier input leg and an output leg, and second induction means having first and second leg outputs, and a variable tuning capacitor, said fixed transformer in communication with said first and second induction means;
• b. tuning fixed transformer and variable tuning capacitor such that said first and second leg outputs of said second induction means modulates at opposite phases of 180 degrees and 0 degrees, forming "MOD +" and "MOD -", respectively, relative a carrier signal supplied to said carrier input of said first induction means;
• c. providing phase selection means configured to modulate via input of said of said first and second outputs of said second induction means, said phase selection means having a F.sub.t >1 GHZ, and further comprising an emitter, and first and second bases or the equivalent, said first base in circuit with said first output of said second induction means, receiving said "MOD +", said second base in circuit with said second output of said second induction means, receiving said "MOD -";
• and
• d. configuring said first base in circuit with said first output leg of said second induction means, receiving said "MOD +", and said second base in circuit with said second output leg of said second induction means, receiving said "MOD -", multiplying the carrier to provide a higher frequency harmonic.