Superregenerative AM demodulator

A frequency modulation (FM) receiver, comprising:

• an amplitude modulation (AM) receiver for receiving an input signal and generating a corresponding demodulated signal, including a transistor biased to be simultaneously operable as a reflection amplifier for reflectively amplifying the input signal, and as a detector for detecting an amplified input signal to generate the demodulated signal;
• and converting means for converting an input frequency modulated signal applied thereto into a corresponding amplitude modulated signal, the AM receiver being operable for demodulating the amplitude modulated signal to provide a demodulated output signal.

A global positioning satellite (GPS) receiver, comprising:

• a modulation receiver for receiving an input signal and generating a corresponding demodulated signal, including a transistor biased to be simultaneously operable as a reflection amplifier for reflectively amplifying the input signal, and as a detector for detecting an amplified input signal to generate the demodulated signal;
• receiving means for receiving input radiation and for generating a corresponding received signal;
• and processing means for filtering, amplifying and gating the received signal to provide input signals for the modulation receiver to demodulate to provide demodulated signals from which a positional reference for the GPS receiver is derivable.

An identification tag, comprising:

• a modulation receiver for receiving an input signal and generating a corresponding demodulated signal, including a transistor biased to be simultaneously operable as a reflection amplifier for reflectively amplifying the input signal, and as a detector for detecting an amplified input signal to generate the demodulated signal, the modulation receiver being operable to be responsive to radio radiation received thereat.

A wireless local area network for interconnecting computers, the network comprising:

• a modulation receiver for receiving an input signal and generating a corresponding demodulated signal, including a transistor biased to be simultaneously operable as a reflection amplifier for reflectively amplifying the input signal, and as a detector for detecting an amplified input signal to generate the demodulated signal, the modulation receiver being operative for performing demodulation of signals within the network.

A mobile telephone, comprising:

• a modulation receiver for receiving an input signal and generating a corresponding demodulated signal, including a transistor biased to be simultaneously operable as a reflection amplifier for reflectively amplifying the input signal, and as a detector for detecting an amplified input signal to generate the demodulated signal, the modulation receiver being operable to provide demodulation of signals propagating therein.

An electronic security key, comprising:

• a modulation receiver for receiving an input signal and generating a corresponding demodulated signal, including a transistor biased to be simultaneously operable as a reflection amplifier for reflectively amplifying the input signal, and as a detector for detecting an amplified input signal to generate the demodulated signal, the modulation receiver being operative for performing demodulation of signals propagating therein.