Post Created date
Audio Design
No wrong !!! My mystake. Please look at the updated block diagramm.
Thursday, 20 March 2014 - 09:39
Audio Design
Some details about my PCB design: -All ground and supply tracks that feed the different circuits, come directly from the central power supply capacitor. -The power supply is a DC/...
Thursday, 20 March 2014 - 08:54
Audio Design
Brian Fairchild wrote:js wrote: ...or it will simply oscillate which seems to be what you are experiencing. As John says, your design is littered with opportunities for feedback...
Thursday, 20 March 2014 - 07:58
Audio Design
Dear John, 1. No, the cables are not shielded pairs. And they cannot be. 2. Unfortynately it is unbalanced, because the customer wanted the minimum cable count. 3. Yes, there is a...
Thursday, 20 March 2014 - 07:55
Audio Design
Sorry, Here is a better resolution.
Thursday, 20 March 2014 - 07:30
Audio Design
ok. I will first upload the system block diagram in order to be more detailed.
Thursday, 20 March 2014 - 07:28
Charging a 40V battery through 110V AC mains
I would use a transformer from mains 110Vac to 40Vac. Then I would charge the battery using an AVR controlled DC/DC step down converter. If you need more info about this pls. ask...
Thursday, 20 March 2014 - 06:59
ATMega48PA clamping diodes
Thank you all for your replies. Best regards,
Tuesday, 18 March 2014 - 13:10
ATMega48PA clamping diodes
Brian Fairchild wrote:icarus1 wrote: The signal is a square wave with 1.5V (peak to peak)...But when I connect the signal to the AVR ana. comp. input the signal is -0.2V (lower...
Tuesday, 18 March 2014 - 12:50
ATMega48PA clamping diodes
Could we exclude the ADC? It was my mistake to include this in the parenteses. My question stands only for the Analog Comparator. The external circuit has like this...
Tuesday, 18 March 2014 - 11:01
Intercom design
I found this very simple circuit in the internet. Any opinions are wellcome.
Tuesday, 21 January 2014 - 11:39
ATmega2560 SPI SS' pin
Dear David, Thank you very much for the complete reply. Best regards,
Tuesday, 21 January 2014 - 08:32