Hello guys,
I made an amplifier out of a TL074.
I used a center taped transformer and a 78 and a 79xx regulator for it.
unfortunately when I rise the gain of the said amplifier by the feedback pot, I get hum on the output.
I have use two 104 ceramic caps for the supply pins of the said op-amp.
I do not know what to do to rise the gain yet remove or decrease the hum on the output.
Any idea please?
Thanks
I made an amplifier out of a TL074.
I used a center taped transformer and a 78 and a 79xx regulator for it.
unfortunately when I rise the gain of the said amplifier by the feedback pot, I get hum on the output.
I have use two 104 ceramic caps for the supply pins of the said op-amp.
I do not know what to do to rise the gain yet remove or decrease the hum on the output.
Any idea please?
Thanks