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Results tagged with single-supply-op-amp
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user 238829
For questions about op amps that are marketed as capable of "single supply" operation. While all op amps can be operated with a single supply, op amps that are marketed as capable of "single supply" operation typically include an input common mode range and output voltage swing down to the negative supply voltage. Always use with the "operational-amplifier" tag.
9
votes
TL072P Opamp behaviour
My TL072 datasheet says, "Recommended input common-mode voltage minimum (Vcc-) +4V" but yours goes all the way down to Vcc- producing "Opamp Phase Inversion". A newer version that is a TL072H says, "R …
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1
vote
Accepted
How to prevent single-rail amplifier power-on pop sound?
I think that C3 is causing the POP. It is eliminated by slowing down the biasing like this:
- 4,436
3
votes
Why doesn't this op-amp schematic work?
Your +5V power supply voltage is too low for an older TL071.
Your input pin 3 voltage of the first opamp has no DC bias voltage.
The opamps amplify AC and DC.
- 4,436
-1
votes
Understanding and specifying op-amp and transistor spec to deliver maximum current from inpu...
I agree that you do not have a summing amplifier, also you do not have a unity gain amplifier.
Did you look at the datasheet of the little 2N5550 transistor? Its maximum allowed output current is onl …
- 4,436
0
votes
Attenuating mid-supply biased audio signal before AC coupled audio amplifier
Connect the bypass pin of the amplifier IC to the low end of the volume control with U9B removed. The 1uF bypass filter capacitor is a low impedance to audio frequencies and the bias current of the MC …
- 4,436
0
votes