Multiplex adaptor EU de-emphasis

[kevinkr]

Drive the input and look at the right and left outputs. No pilot or subcarrier required.

Response for 50us should be -3dB around 3183Hz. (use 100Hz for the reference frequency, measure between 3150 - 3200Hz and you'll be close enough)

More here: FM Pre-Emphasis and De-Emphasis

 

[victordascalescu54]

Drive the input and look at the right and left outputs. No pilot or subcarrier required.

Response for 50us should be -3dB around 3183Hz. (use 100Hz for the reference frequency, measure between 3150 - 3200Hz and you'll be close enough)

More here: FM Pre-Emphasis and De-Emphasis

Thanks a lott, I'll reed all of this prior to check and adjust.

 

[victordascalescu54]

Parts are ariving, first the PSU capacitors from F&T