When it is powered up, and you touch any of the parts in feedback, better even from the bottom, do you hear the hum?
Yup
Yup - as I said welcome to the world of electronics theory and actual practice.
Even the slightest tiniest whisker of solder bridging a vero track (or even if it's coppered or plain perf board) and the circuit can be stopped in its tracks
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I want to know if he connected signal ground with non-inverting opamp input. It's not drawn in his schematics, so there is possibility he did not.
Thank You Once Again And Thanks Every One For Sharing Your Rare Time With Me
I Will Check My Circuit Properly Once Again
After Checking My Circuit I Will Come Here Again
I Have Not Connected Signal Ground With Non Inverting OpAmp I Have Just Made The Circuit According To The Given Shematic Did You Know What Is Deep Fault In The Circuit???😕
Yes When Amplifier Is Powered Up I When I Touch Any Part Of Circuit It Gives Very Loud Humm Soind
Well, there is your problem.
There is no deep fault in the schematics.
You are missing some knowledge. Ground connections are not drawn, its assumed you know where ground goes.
Thanks Adason I Really Appreciate The Way Of Your Explanation
But What Value Of Resistor Should Be For DC Input??
If I Put 10k Resistor on Both + - Side Then Circuit Little Bit Works But If I Remove 10k Resistor On Both Sides
Then The Circuit Did not Work It Gives Only Hmm Sound Only At High Or Low Volume😕
But What Value Of Resistor Should Be For DC Input??
If I Put 10k Resistor on Both + - Side Then Circuit Little Bit Works But If I Remove 10k Resistor On Both Sides
Then The Circuit Did not Work It Gives Only Hmm Sound Only At High Or Low Volume😕
what do you mean DC Input?
whole circuit is cap coupled, there is no DC Input
You need to learn some stuff before you post questions
whole circuit is cap coupled, there is no DC Input
You need to learn some stuff before you post questions
All grounds connect together, including the power supply ground.
The schematic was not complete.
….and here’s me thinking it was a slightly abstract and rough sketch , roughly drawn with some things omitted (just on paper 0.
i.e. I thought he’d just accidently left them off the diag, but he’d actually joined the dots in the actual product 🙄
i.e. I thought he’d just accidently left them off the diag, but he’d actually joined the dots in the actual product 🙄
I Just Want To Say That IF I Give Proper +-15v Supply The Circuit Does Not Work But When If I Put 10k Resistor on On Both +- Sides Not On Ground Then Circuit Works Again
Any Way Thanks For Teaching Me Some Major Basics Of Electronics.
