F-modulation amplification

A cross correlated quadrature architecture signal processor for producing cross correlated in phase and quadrature phase signal streams for modulation by a Quadrature Modulator comprising:

• a filter for receiving an input signal selected from the group of binary, multi-level, and analog signals and combinations thereof and producing a filtered input signal;
• signal shaping means for integrating said filtered input signal;
• ,
• an amplifier for varying the modulation index of said signal processor, said amplifier receiving said filtered input signal and providing an amplified input signal;
• a splitter receiving said amplified input signal and providing cross correlated data streams;
• and
• a signal processor having an in phase and quadrature phase channel each receiving one of said cross correlated data streams, each of said in phase and quadrature phase channel having a first delay gain filter, means for generating Cosine and Sine values for said in phase and quadrature phase channel datastream, a wave shaper and a second delay gain filter, such that said signal processor provides in phase and quadrature phase cross correlated data signals for quadrature modulation with a modulated signal adaptable for coherent demodulation of the quadrature frequency modulated (FM) signal.

A cross correlated quadrature architecture signal processor for producing cross correlated in phase and quadrature phase data streams for modulation by a Quadrature Modulator and subsequent coherent quadrature demodulation of the quadrature FM modulated signal comprising:

• a splitter for receiving an input signal selected from the group of binary, multi-level, and analog signals and combinations thereof and providing a pair of identical data signals;
• and
• a signal processor including an in phase and quadrature phase channel each receiving one of said pair of identical data signals, each of said channels including
• a delay element for receiving said one of said pair of identical data signals and producing a delayed signal;
• an amplifier for receiving said delayed signal and producing an amplified data signal;
• a filter for receiving said amplified signal and producing a filtered data signal;
• and
• a function generator for generating Cosine and Sine values for said filtered data signal;
• such that said signal processor provides in phase and quadrature phase cross correlated data signals for quadrature modulation with a modulated signal adaptable for coherent demodulation of the quadrature FM signal.

A cross correlated quadrature architecture signal processor for producing cross correlated in phase and quadrature phase data streams for modulation by a Quadrature Modulator and subsequent demodulation of the quadrature modulated signal comprising:

• a splitter for receiving an input signal selected from the group of binary, multi-level, and analog signals and combinations thereof and providing a pair of identical signals;
• and
• a signal processor including an in phase and quadrature phase channel each receiving one of said pair of identical signals, each of said channels including
• a delay element for receiving said one of said pair of identical signals and producing a delayed signal;
• an amplifier for receiving said delayed signal and producing an amplified signal;
• a filter for receiving said amplified signal and producing a filtered signal;
• such that said signal processor provides in phase and quadrature phase cross correlated signals for quadrature modulation with a modulated signal suitable for amplification in linear and non-linear mode adaptable for coherent and noncoherent demodulation.

A cross correlated quadrature architecture signal processor for producing cross correlated in phase and quadrature phase data streams for modulation by a Quadrature Modulator and subsequent conventional BPSK or QPSK demodulation of the quadrature modulated signal comprising:

• a splitter for receiving an input signal selected from the group of binary, multi-level, and analog signals and combinations thereof and providing a pair of identical data signals;
• and
• a signal processor including an in phase and quadrature phase channel each receiving one of said pair of identical data signals, each of said channels including
• a delay element for receiving said one of said pair of identical data signals and producing a delayed signal;
• an amplifier for receiving said delayed signal and producing an amplified data signal;
• a filter for receiving said amplified signal and producing a filtered data signal;
• such that said signal processor provides in phase and quadrature phase cross correlated data signals for quadrature modulation with a modulated signal suitable for amplification in linear and non-linear mode and adaptable for conventional BPSK or QPSK demodulation.

A method of cross correlating an input data signal for use in a quadrature architecture modulator for producing cross correlated in phase and quadrature phase data streams for modulation by a Quadrature Modulator and subsequent conventional BPSK demodulation of the quadrature modulated signal comprising the steps of:

• splitting an input signal selected from the group of binary, multi-level, and analog signals and combinations thereof and providing a pair of identical data signals;
• delaying each of said pair of identical data signals and producing a pair of delayed signals;
• amplifying each of said pair of delayed signals and producing a pair of amplified data signals;
• and
• filtering each of said pair of said amplified signals and producing a filtered data signal;
• such that said signal processor provides in phase and quadrature phase cross correlated data signals for quadrature modulation characterized by a modulated signal suitable for amplification in linear and non-linear mode and adaptable for conventional BPSK demodulation.

A quadrature architecture spectral and power efficient modem comprising:

• a splitter for receiving an input signal selected from the group of binary, multi-level, and analog signals and combinations thereof and providing a pair of identical data signals;
• a signal processor including an in phase and quadrature phase channel each receiving one of said pair of identical data signals, each of said channels including
• a delay element for receiving said one of said pair of identical data signals and producing a delayed signal;
• an amplifier for receiving said delayed signal and producing an amplified data signal;
• a filter for receiving said amplified signal and producing a filtered data signal;
• a quadrature modulator for receiving said filtered signals from each of said channels and producing a modulated output signal;
• and
• amplification means operated in non-linear mode for maximum power efficiency receiving said modulated output signal and for transmitting a band limited output signal with substantially limited spectral regrowth.

A quadrature architecture modem with out of band spectral density attenuated at least 30 dB at 11 MHz away from the carrier frequency for an 11M-chip/sec system comprising:

• a splitter for receiving an input signal selected from the group of binary, multi-level, and analog signals and combinations thereof and providing a pair of identical data signals;
• a signal processor including an in phase and quadrature phase channel each receiving one of said pair of identical data signals, each of said channels including
• a delay element for receiving said one of said pair of identical baseband data signals and producing a delayed signal;
• an amplifier for receiving said delayed signal and producing an amplified data signal;
• a filter for receiving said amplified signal and producing a filtered data signal;
• a quadrature modulator for receiving said filtered signals from each of said channels and producing a modulated output signal;
• and
• amplification means operated in non-linear mode for receiving said modulated output signal and for transmitting a band limited output signal with spectral regrowth limited to a 30 dB spectral density attenuation.

A quadrature architecture modem comprising:

• a splitter for receiving an input signal selected from the group of binary, multi-level, and analog signals and combinations thereof and providing a pair of identical data signals;
• a signal processor including an in phase and quadrature phase channel each receiving one of said pair of identical data signals, each of said channels including
• a delay element for receiving said one of said pair of identical data signals and producing a delayed signal;
• an amplifier for receiving said delayed signal and producing an amplified data signal;
• a filter for receiving said amplified signal and producing a filtered data signal;
• a quadrature modulator for receiving said filtered signals from each of said channels and producing a modulated output signal;
• and
• amplification means operated in a non-linear saturation amplification mode for maximum power efficiency receiving said modulated output signal and for transmitting a band limited output signal with out-of-band spectral density attenuated at least 30 dB at N Mhz away from the carrier frequency for N Megachip/sec and N megabit/sec systems.

A cross correlated quadrature architecture signal processor for producing cross correlated in phase and quadrature phase data streams for modulation by a Quadrature Modulator and subsequent demodulation of the quadrature modulated signal in digital, binary, multi-level or analog FM systems comprising:

• a variable gain element for reducing the modulation index of said quadrature modulator, said variable gain element receiving an input signal selected from the group of binary, multi-level, and analog signals and combinations thereof and outputting an attenuated input signal;
• a splitter for receiving said attenuated input signal and providing a pair of identical data signals;
• and
• a signal processor including an in phase and quadrature phase channel each receiving one of said pair of identical data signals, each of said channels including
• a delay element for receiving said one of said pair of identical data signals and producing a delayed signal;
• a function generator for generating Cosine and Sine values for said delayed signal and producing a shaped signal;
• an amplifier for receiving said shaped signal and producing an amplified data signal;
• a filter for receiving said amplified signal and producing a filtered data signal;
• such that said signal processor provides in phase and quadrature phase cross correlated data signals for quadrature modulation with a modulated signal suitable for amplification in linear and non-linear mode.

A binary phase shift keyed quadrature cross coupled structure suitable for linear and non-linear amplified system applications comprising:

• a input port for receiving input data;
• a splitter having an input coupled to said input port, and serving to split said input data into in phase (I) and quadrature phase (Q) channel cross coupled datastreams such that said I and Q datastreams are identical, proportional in gain and phase to said input data;
• and
• a signal processing network for receiving said I and Q channel datastreams and providing cross-correlated processed in phase and quadrature phase signals, said signal processing network including
• a delay element for delaying one of said I and Q channel datastreams by a selectable time delay;
• amplifiers in the I and Q channel for providing gain adjusted datastreams;
• and
• filtering means for filtering said gain adjusted datastreams in the I and Q channels such that said signal processor provides in phase and quadrature phase cross correlated data signals for quadrature modulation with a modulated signal suitable for amplification in linear and non-linear mode. .

A Gaussian Filtered Frequency Shift Keyed (GFSK) quadrature cross coupled structure suitable for linear and non-linear amplified system applications comprising:

• a input port for receiving input data;
• a Gaussian lowpass filter and presetable gain integrator for processing said input data and providing filtered input data;
• a splitter having an input coupled to said input port, and serving to split said filtered input data into in phase (I) and quadrature phase (Q) channel cross coupled datastreams such that said I and Q datastreams are identical, proportional in gain and phase to said input data;
• and
• a signal processing network for receiving said I and Q channel datastreams and providing processed in phase and quadrature phase signals, said signal processing network including
• a signal processor for varying the modulation index for said signal processing network;
• means for generating Cosine and Sine values for said I and Q channel datastreams;
• a delay element for delaying one of said I and Q channel datastreams by a selectable time delay;
• amplifiers in the I and Q channel for providing gain adjusted datastreams;
• and
• filtering means for filtering said gain adjusted datastreams in the I and Q channels such that said signal processor provides in phase and quadrature phase cross correlated data signals for quadrature modulation with a modulated signal suitable for amplification in linear and non-linear mode. .

A frequency modulation pre-processor for multistate digital signals suitable for linear and non-linear amplified system applications comprising:

• a input port for receiving input data;
• a converter for converting said input data into a multilevel N level datastream where N is an integer greater than 1;
• a splitter having an input coupled to said input port, and serving to split said multilevel N level datastream into in phase (I) and quadrature phase (Q) channel cross coupled datastreams such that said I and Q datastreams are identical, proportional in gain and phase to said multilevel N level datastream;
• and
• a signal processing network for receiving said I and Q channel datastreams and providing cross-correlated processed in phase and quadrature phase signals, said signal processing network including
• a signal processor for varying the modulation index for said signal processing network;
• means for generating Cosine and Sine values for said I and Q channel;
• a delay element for delaying one of said I and Q channel datastreams by a selectable time delay;
• amplifiers in the I and Q channel for providing gain adjusted datastreams;
• and
• filtering means for filtering said gain adjusted datastreams in the I and Q channels such that said signal processor provides in phase and quadrature phase cross correlated data signals for quadrature modulation with a modulated signal suitable for amplification in linear and non-linear mode.

A frequency modulation pre-processor for digital signals suitable for linear and non-linear amplified system applications comprising:

• a input port for receiving digital input data;
• a converter for converting said digital input data converting said digital input signal into a predetermined coded, filtered and processed signal;
• a splitter having an input coupled to said input port, and serving to split said input data into in phase (I) and quadrature phase (Q) channel cross-correlated datastreams such that said I and Q datastreams are identical, proportional in gain and phase to said input data;
• and
• a signal processing network for receiving said I and Q channel datastreams and providing processed in phase and quadrature phase signals, said signal processing network including
• a signal processor for presetting the modulation index for said signal processing network;
• means for generating Cosine and Sine values for said I and Q channel datastreams;
• a delay element for delaying one of said I and Q channel datastreams by a selectable time delay;
• amplifiers in the I and Q channel for providing gain adjusted datastreams;
• and
• filtering means for filtering said gain adjusted datastreams in the I and Q channels such that said signal processor provides in phase and quadrature phase cross correlated data signals for quadrature modulation with a modulated signal suitable for amplification in linear and non-linear mode.

A frequency modulation pre-processor for analog signals suitable for linear and non-linear amplified system applications comprising:

• a input port for receiving analog input signal;
• a splitter having an input coupled to said input port, and serving to split said input signal into in phase (I) and quadrature phase (Q) channel cross coupled signal streams such that said I and Q signal streams are identical, proportional in gain and phase to said input signal;
• and
• a signal processing network for receiving said I and Q channel signal streams and providing cross-correlated processed in phase and quadrature phase signals, said signal processing network including
• a delay element for delaying one of said I and Q channel signal streams by a selectable time delay;
• amplifiers in the I and Q channel for providing gain adjusted signal streams;
• and
• filtering means for filtering said gain adjusted signal streams in the I and Q channels such that said signal processor provides in phase and quadrature phase cross correlated signals for quadrature modulation with a modulated signal suitable for amplification in linear and non-linear mode.