Delta Pulse

[kt315]

thank you .sorry i haven't an os- scope

[mazari]

thank you .sorry i haven't an os- scope

[kt315]

see clipped 'delta' impulse on output of opamp, LF357, by o-scope.

[mazari]

This is the second time that Ibuilt this board but it didn't work it cost so much in vain.

[mazari]

thank you very much mr kt315.please can you give me the (shematics +pcb for new board that you post .it seems to me easier tham i'm working on.

[kt315]

your pcb is turkish layout. you have to ask turkish just cause this type of board is unknown for me.
check signals in all test points, for first step.

[mazari]

many thanks mr k315.but i haven't pcb for this board. please tell me what is wrong in my pcb? thank you again

[kt315]

new board rev3.1
top+top silk

http://storage1.static.itmages.ru/i/17/0702/h_1498997178_8879395_783de9f9bf.jpg

[mazari]

please take a look at this video
delta.flv

[mazari]

hi for all.
I have just finished to build the Delta Pulse2 unfortunately it did't work there's no sound i have only green led lighted .all componenets are tested .please can any one help me to find what would be the problem ?thank you in advance.

[mazari]

thank you very much for your help.

[samii]

[mazari]

pcb I'm working on now

[mazari]

hi for all.this pcb differs from the pcb I'm working on.please can you give me part list compponents.

[mazari]

many thanks for your help