[Elecraft] K3 DSP Board Upgrade Info

Andy Wood vk4ky at woodtech.net.au
Mon Jul 5 16:29:44 EDT 2010


Oops! I left out C44 and C45. The following chart has been amended. 

-----------------------------------------------------------------------
Drawing "K3 DSP IF: CODECS"

COMPONENT                     ORIGINAL VALUE                      NEW VALUE
R17                                          1K                                    
10K
R18                                          1K                                    
10K
R19                                          1K                                    
10K
R20                                          1K                                    
10K
R23                                          1K                                    
10K
R24                                          1K                                    
10K
R25                                          1K                                    
10K
R26                                          1K                                    
10K
C28                                        0.1uF                                  
1uF


Drawing "K3 DSP: DAC Audio"

COMPONENT        ORIGINAL VALUE              NEW VALUE
C1                         33pF                           470pF
C11                        33pF                          470pF
C9                        10uF/25V                   100uF/6.3V
C13                       10uF/25                    100uF/6.3V
C44                        0.1uF                            1uF
C45                        0.1uF                            1uF
----------------------------------------------------------------------- 

Andy  VK4KY
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