DESCRIPTION. The LM and the LM are general purpose dual operational amplifiers. The two amplifiers share a common bias network and power. CC Datasheet, CC PDF, UPCC. Part Number, CC. Manufacturer, NEC. Short Description, UPCC. Long Description, www. CC UPCC Components datasheet pdf data sheet FREE from Datasheet (data sheet) search for integrated circuits (ic).

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C1458C Datasheet PDF – NEC

Jan 28, 9, C158c is a CC. Spinaker, You will notice that I have merged the newer post with the older post since the second thread was a continuation of the first.

You might find that one or more of the transistors connected to the output is shorted. Nov 13, I started reviewing the lessons on op amps on this site because I think the problem with my Tek scope power supply is a bad op amp. Nov 13, 4. A Non-Invasive Glucose Sensor Researchers believe that sweaty armpits may be the answer to both detecting and controlling diabetes. Can I use a flyback transformer in a forward topology? I suspect that the op amp in the circuit is bad.

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As the -8volts drops the positive input to the opamp begins to go positive. Posted by Gamedojo in forum: Bottom line, compare the datasheets of the op amps for compatability.

What voltage do you measure across capactors C and C? With an increase in the base drive applied to Q, it begins to turn on harder.

The trick to the -8volt regulator stage is that Q is acting to control the positive-most end of the 15V secondary transformer winding so that it is exactly 7 volts positive when measured with respect to ground. Nov 13, 9. Oct 29, 7, 3, Your name or email address: Jul 17, 22, 1, Discussion in ‘ General Electronics Chat ‘ started by spinnakerNov 13, I have it working. Do you already have an account? The voltage you measured across C was around 15 volts. If you imagine that the load on the -8V output increases then the -8volt output would drop slightly toward 0v.

This results in a restoration of c11458c -8volt output datashheet that the droop due to the increased load is cancelled. In the meantime, I will use the values you have measured.


CC Datasheet PDF – NEC

Is this a good enough test for U A and B in t his schematic? I am trying to fix my Tek scope power -8 and power supply.

You May Also Like: Nov 13, 5. Could this finally be the dawn of room-temperature superconductors? Nov 16, 1, Would one of these work for now? Apr 5, 18, 3, That can be remedied.

Can U use 2 transistors in place of a relay to switch 2 different voltages Posted by icadj in forum: First off it was probably not necessary to start a new thread since members are going to dayasheet a bit confused between the two.

Just so that I am clear. This will help prevent confusion since replying members will be less likely to be confused. But would want to run ti by the folks here anyway.