Method and apparatus for treating a received signal to present a resulting signalwith improved signal accuracy

A signal treating apparatus for providing a substantially linear signal response in an amplifier having a saturating amplifier component;

• the apparatus comprising:
• (a) a first signal handling unit coupled for presenting a first signal at a first circuit locus;
• said first signal being correlated with an input signal to said saturating amplifier component;
• (b) a second signal handling unit coupled for determining signal power of an amplifier output signal at an output of said saturating amplifier component;
• (c) a signal altering unit coupled with said second signal handling unit;
• said signal altering unit adjusting said amplifier output signal according to said signal power to present a second signal at a second circuit locus;
• (d) a combining unit coupled with said first circuit locus and said second circuit locus;
• said combining unit presenting said response as a combination of said first signal and said second signal.

A method for treating a received signal to present a resulting signal representing said received signal with improved signal accuracy;

• the method comprising:
• (a) in no particular order:
• (1) effecting a first filtering of said received signal according to a first bandpass characteristic to present a first filtered signal at a first circuit locus;
• and
• (2) effecting a second filtering of said received signal according to a second bandpass characteristic to present a second filtered signal at a second circuit locus;
• (b) amplifying said first bandpass representation to present a high gain signal;
• (c) effecting a bandwidth-limiting of said high gain signal to present a third bandwidth-limited signal at a third circuit locus;
• said third bandwidth-limited signal presenting a narrower band than said first bandpass representation;
• and
• (d) combining said second filtered signal with said third filtered signal to present said resulting signal.

A signal treating apparatus for treating an input signal to present an output signal representing said input signal with improved signal accuracy over a predetermined signal range;

• the apparatus comprising:
• (a) an input signal receiving section coupled for receiving said input signal;
• said input signal detecting section presenting a first bandpass filtered signal at a first circuit locus;
• said first bandpass filtered signal being limited to a first bandwidth;
• said input signal detecting section presenting a second bandpass filtered signal at a second circuit locus;
• said second bandpass filtered signal being limited to a second bandwidth;
• (b) an amplifying unit coupled for receiving said first bandpass filtered signal and presenting an increased gain signal at an amplifier output locus;
• (c) a detection portion coupled with said amplifier output locus;
• said detection portion presenting an indicator signal at a third circuit locus;
• said indicator signal being a third bandwidth-limited signal related with said input signal;
• said third bandwidth-limited signal being limited to a third bandwidth less than said first bandwidth;
• and
• (d) a combining section coupled with said second circuit locus and said third circuit locus;
• said combining section presenting an output signal related with said first bandpass filtered signal and said second bandpass filtered signal;
• said input signal including an optical signal component and a radio frequency signal component.

A method for treating a received signal to present a resulting signal representing said received signal with improved signal accuracy;

• the method comprising:
• (a) in no particular order:
• (1) effecting a first filtering of said received signal according to a first bandpass characteristic to present a first filtered signal at a first circuit locus;
• and
• (2) effecting a second filtering of said received signal according to a second bandpass characteristic to present a second filtered signal at a second circuit locus
• (b) amplifying said first filtered signal to present a high gain signal;
• (c) effecting a bandwidth-limiting of said high gain signal to present a third bandwidth-limited signal at a third circuit locus;
• said third bandwidth-limited signal presenting a narrower band than said first filtered signal;
• and
• (d) a combining said second filtered signal with said third filtered signal to present said resulting signal;
• said first filtering being effected using a first filtering unit;
• said second filtering being effected using a second filtering unit;
• said first filtering unit and said second filtering unit each including a plurality of bandpass filtering devices treating said received signal to present a filtered received signal;
• said first filtering unit and said second filtering unit cooperating to select respective bandwidth limiting devices to present said filtered received signal within substantially the same frequency band from each of said first filtering unit and said second filtering unit.