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Hi,
Can any one help me out in understanding the difference between Supply Current (ICC) and Bias Current(IIB+ , IIB-) of Op Amp?
On What factors Supply Current of Op Amp depends? Can Supply current can be called as Bias Current?
Thanks.
Started by baig_anora on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at edaboard):
The input bias current is the current that the OpAmp draws into the VinThe supply current is the current that the OpAmp draws from the positive and negative supplies, VCC+ and Vin- ports--usually....
Else has a supply current.
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For years, I've biased my own amps but I think my bias probe is taking a dump. Should I buy another? Is there a better way? Also with bias probes, do they all have a couple ma pad in accuracy (if so, how much)?
Thanks. Facebook
"I'm a little worried about...
Started by steve10358 on
, 15 posts
by 1 people.
Answer Snippets (Read the full thread at hugeracksinc):
Http://biasking.com already have bias points in the ....
No issues in a few years of use thus far .
To his multimeter.
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I just read that concept from a newby.
I would consider that innert "bias of science" to be the pursuit of truth .
Are there any other interpretations?
Started by bishadi on
, 17 posts
by 8 people.
Answer Snippets (Read the full thread at davidicke):
In other words"!
This segways into the ex-clusionistic....
Big problem with Science is the reductionistic and ex-clusionistic bias.
I would consider that innert "bias of science.-- the empiricle.
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Ask your Facebook Friends
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Just to make sure I'm thinking straight; I just want to confirm that I properly understand this 'fixed bias' aspect of operation. I'm looking at a Dynaco ST-70 that will not bias down on one side....presumably due to the set of tubes having too much current...
Started by Wharfcreek on
, 12 posts
by 4 people.
Answer Snippets (Read the full thread at audiokarma):
I'm taking a guess....
Yup go in the lower the resistance of the first resistor in the bias supply the resistorHey Tom,
I assume the regular stuff has already been done?
Can you check the bias voltages will decrease the current.
Of tube.
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I just read the FTDX 5000 runs 10 amps of bias current while in class A. Does anyone know the bias current while in class AB? Also anybody out there with an HF rig that has FETs in the final. I would like to know what it runs for final bias current.
I...
Started by WA1GFZ on
, 21 posts
by 7 people.
Answer Snippets (Read the full thread at amfone):
My, there's not a lot of attention being paid to driver and PA bias setting with a few rigs rolling off is there limited data, but from what....
There isn't a lot of data out there on FET bias in class AB.
In that stage is better than -40dB.
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I'm not happy with the brake bias in my Elise under heavy braking during autocross events as the front ABS is triggered too easily. From what I understand this is due to the bias between the front and rear (too much going to the front of course).
In thinking...
Started by Davemk1 on
, 14 posts
by 9 people.
Answer Snippets (Read the full thread at lotustalk):
The friction coefficient on these pads is close enough that it still leaves a heavy bias bias in my Elise under heavy braking....
I've been dealing in rear.
Poeples are putting bigger brake in front when already the bias is not good.
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Not Liberal bias; just plain old bias in favor of Democrats
The other day I looked at the schedule of my local PBS affiliate for the current events or political programming. The names that were prominent were Tavis Smiley, Charley Rose and Bill Moyer....
Started by What the .... ?!?! on
, 50 posts
by 25 people.
Answer Snippets (Read the full thread at straightdope):
?!?! Not Liberal bias; just plain old bias in favor of Democrats What would....
Potential for bias? How on earth would you even measure that? Are you planning on applying been settled wrt their reporting of the news.
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Hi,
I have owned a Yaqin MC-100B and MS-12B for about 5 years now and am about to replace the tubes.
For the MC-100B:
4 x JJ KT88s
4 x Tung-Sol 6SN7s
2 x JJ (Hi-Performance Gold Pin) 12AX7s
For the MS-12B:
2 x JJ (Hi-Performance Gold Pin) 12AX7s
2 x JJ...
Started by XJS_V12 on
, 12 posts
by 6 people.
Answer Snippets (Read the full thread at audiokarma):
The bias to for the KT88s,
the manual says 0.55-0.6mV, but that seems a bit high for tube longevity Transformer Power Supply

Audio Power PE-1 power enhancer

Triad 2-Ampere isolation transformer
The first with a full scale dynamic MC Tube....
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These are the tires I am leaning towards. You guys know where we all wheel, so what say you? Probably in a 17" rim (or 16.5") Price is about the same for either rim size and is in the $2300-$2400 range for a set of 4.
My choices:
1. 42x14R17 Bias Irok...
Started by tacoAGGIE on
, 24 posts
by 9 people.
Answer Snippets (Read the full thread at tacomaterritory):
I guess thats a good thing.
So may choices.
Who order their supply straight from Interco.
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I had an idea for a simple output tube bias monitor. Should a tube act up or a bias resistor drift, I wanted a simple indicator that something was going south.
I did a prototype with a pair of LEDs where at the adjustable preset bias point the LEDs HI...
Started by roline on
, 6 posts
by 6 people.
Answer Snippets (Read the full thread at audiokarma):
How do I bias my power....
Http://www.conradjohnson.com/It_just...ght/cjfaq.html
Q.
The Conrad-Johnson tube power amps have an LED bias indicator scheme.
And DAC and create full featured servo system for bias (including soft start etc.).
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