|
Communications
> 190 URLs
WELCOME   --HOME
> 90 Subjects

_-_-C O M M U N I C A T I O N S-_-_

Communications End to End Modulations Noise
Receiver Noise Bandwidth - SNR FM Receiver
Signal to Noise Ratio & Dynamic Range Modulation Methods (R.F. Page)  
Subscriber's Loop Plain Old Telephone Service (POTS) Central Office
CODECs,  u-Law, A-Law   LINK Satellite Link Budget LINK
Optical Fiber Communications   LINK Soliton Pulses >50Gb   LINK Doppler Shift   LINK
Communications Topology (CDMA)   LINK    -READ MORE   LINK

 

Communications System End to End

TOP/\

Modulations
TOP/\

Galactic Noise
TOP/\

Man Made Noise
TOP/\

Receiver Noise

TOP/\

TOP/\
Bandwidth - SNR
  Signal to Noise Ratio & Dynamic Range
For a given signal bandwidth, ideally, the receiver bandwidth should be the same. However, if the receiver is, say, twice the necessary bandwidth, the Signal-to-Noise Ratio is diminished, i.e., the noise has doubled.

TOP/\

F M Receiver

TOP/\

T e l e p h o n y

 
Basic Telephone System (POTS)

Plain Old Telephone Service

TOP/\
Subscriber's Loop
[ Subscriber Set ]--> [ Outside Plant ]-->
>--[ Central Office ]

TOP/\
Central Office Switch, Digital
 TOP/\
Communications End to End Modulations Noise
Receiver Noise Bandwidth - SNR FM Receiver
Signal to Noise Ratio & Dynamic Range Modulation Methods (R.F. Page)  
Subscriber's Loop POTS Central Office
Communications Topology (CDMA)   LINK   -READ MORE

TOP/\