Difficulties finding the schematic for the coherent circuit

[lufer17]

I'm having trouble finding the schematic for the coherent and non-coherent circuit where the LNA is applied. I managed to find the non-coherent circuit, but even after searching on Google and looking in books, I couldn't find the circuit. Could someone help me find the schematic for this circuit, giving the name of a book or website.

 

[D.A.(Tony)Stewart]

Your references are where?

You might be thinking of an optical LNA with a photo sensor.

 

[lufer17]

Your references are where?

You might be thinking of an optical LNA with a photo sensor.

Taking this article as an example it would be a radio signal. Source: A 0.18-μm CMOS Squarer Circuit for a Non-Coherent UWB Receiver

 

[D.A.(Tony)Stewart]

Taking this article as an example it would be a radio signal. Source: A 0.18-μm CMOS Squarer Circuit for a Non-Coherent UWB Receiver

link article? (without paywall SVP )

 

[lufer17]

link artigo? (sem paywall SVP)

 

[D.A.(Tony)Stewart]

The received signal is modelled with a random phase error for a noncoherent receiver. The intent is to make a simple CMOS radio for low-cost sensors.


A coherent radio receiver would restore phase such as PLL synchronous radios.

Detection of Known Signals with Coherent and Non-Coherent Receivers - MATLAB & Simulink

Use a matched filter to detect a deterministic signal in complex, white, Gaussian noise.

www.mathworks.com

 

[lufer17]

The received signal is modelled with a random phase error for a noncoherent receiver. The intent is to make a simple CMOS radio for low-cost sensors.


A coherent radio receiver would restore phase such as PLL synchronous radios.

Detection of Known Signals with Coherent and Non-Coherent Receivers - MATLAB & Simulink

Use a matched filter to detect a deterministic signal in complex, white, Gaussian noise.

www.mathworks.com

Thanks, but I'm looking for the electronic schematic of the (coherent) that this type of circuit using CMOS I can't find. What I found was the schematic of the (non-coherent).

 

[D.A.(Tony)Stewart]

Thanks, but I'm looking for the electronic schematic of the (coherent) that this type of circuit using CMOS I can't find.

Try looking for the keywords or the definitions I provided. There are no coherent simple CMOS UWB Rx’s.

They are rather complex or use a CMOS PLL at lower frequencies. UHF prescalars are usually GaAS and not CMOS and were never called coherent rather, just part of phase locked loop type direct or down-converted radios.

A laser is coherent, an LED is non-coherent due to the extreme high Q of a laser and phase stability of the interference patterns.