Submitted by ben on Sat, 11/06/2010 - 00:03    
  
  
    This is a tracking generator for the Tektronix 492 based on KE5FX's design. It takes the place of a TR-503 tracking generator but has a different architecture. The design is essentially the same as KE5FX's, but uses attenuator/amplifier pairs instead of isolators and has a different PLL circuit for generating the 110MHz LO. Read more »
 
  
  
 
  
        
    
      
      Submitted by ben on Thu, 08/26/2010 - 14:42    
  
  
    Tektronix 492 USB Interface
I have a Tektronix 492 without GPIB.  This project adds USB  connectivity to the Tek 492.  It can download a full sweep in about  200ms.  It can't read any configuration from the instrument, so it's not  a real replacement for GPIB, but it would be possible to emulate the  control code and duplicate the front panel controls on the computer. Read more »
 
  
  
 
  
        
    
      
      Submitted by ben on Thu, 08/26/2010 - 13:00    
  
  
  
  
 
  
        
    
      
      Submitted by ben on Thu, 08/26/2010 - 12:54    
  
  
    I bought a Tek 492 on eBay.  This is a 50kHz-18GHz spectrum analyzer which was made by Tektronix in the early 1980's. There were a few major changes which can be distinguished by serial number.  I have a mid-model (41000) unit made in 1981. Read more »