Search found 3 matches

by OldHunter
Mon Jul 09, 2018 7:25 am
Forum: DSO Shell
Topic: Modification of software and hardware
Replies: 14
Views: 33654

Re: Modification of software and hardware

Hi Rudolf, Thanks for the reply. I insist that this is a bug here, also in the newest firmware from JYE. They should have a look. But obviously it still works. Why? my guess/explanation ist that something is wrong with the ADC_Poll() function. The second argument ( ,5) is the number of samples to bu...
by OldHunter
Sun Jul 08, 2018 3:45 pm
Forum: DSO Shell
Topic: Modification of software and hardware
Replies: 14
Views: 33654

Re: Modification of software and hardware

@toshi Thank you, was right. Sorry for the mistake. I had a quick look in the "Command.c " file. The values for Threshold_High and Threshold_Low explain the missing of the DC selection on the LCD. 0x300 is a value 0f 3*256* /4096*3.3=0.62V and 0x900 gives 1.86V at CPLSEL. The divider with ...
by OldHunter
Sun Jul 08, 2018 2:47 pm
Forum: DSO Shell
Topic: Modification of software and hardware
Replies: 14
Views: 33654

Re: Modification of software and hardware

@toshi Than you very much for sharing the modifications. Prefered the 60A version. It works just fine for me. The 60B is very slow with the dial knob. @Rudolf You can fix the problem with the "no DC" appearance by changing the R18 resistor from 10K to 5K6. See Schematic _150analog.pdf near...