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ADAR1000 Recommended for New Designs
The ADAR1000 is a 4-channel, X and Ku frequency band, beamforming core chip for phased arrays. This device operates in half-duplex between receive and...
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ADAR1000 on Analog.com

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ADAR1000EVAL1Z (STINGRAY) ANALOG BEAMFORMING FRONT-END

		
	
				

			

									
					    sauravkumar
					
							

            
            			
				
									
											
			
			
				
			
			
			    	
			                    
                
				                on Nov 12, 2025 
				
			
			
		

		
		                    	    

        	    
Thread Summary

                The user asked about the division of 8 ADARs into L and R on the Stingray board. The final answer explains that this division is for organizing the SPI buses, with four Quad TRM Cells connected to CSB_L and four to CSB_R, designating the left and right sides of the board.
                        	    

                
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Category: Hardware

    		        		            		    
Product Number:  ADAR1000  

    		        		    		    

		    		    
		    			

			    
 


why the 8 ADAR's are divided into L and R is there any specific reason for the same.


Is it something like L controls the Beam Vertically and the R controls the Beam horizontally.

			

			
									
		                             
                        

    

                                            
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    •  Analog Employees  
    
            
						
                            
            
            				
            
                on Nov 12, 2025 5:03 PM
            
            
						
			            		
    
		
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    This was just a way to organize the SPI buses for the Quad TRM Cells.  The ADAR1000 can have up to four chips share the same CSB line due it having only 2 chip address pins.  You see four of the Quads are connected to CSB_L and the other four are connected to CSB_R.  The "L" and "R" designate Left side and Right side of the Stingray board.
    
			
    

		
			
	      

		
		
	
    
	
    
		
    
			
		
    
	
    
	
    
		
						
				
						
				
				
				
		
		
    
			
		
    
	
    

    

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