I am a beginner electronics :D and looking for information on the markings found in the schemes: VCC VDC VAC VSS etc. What exactly do they mean (but this voltage I know :D ) and what are the differences. Thanks in advance for your help.

Vac - alternating voltage (alternating) Vdc - constant voltage Vcc - supply voltage (most often integrated circuits and bipolar transients Vss - nap. power supply of field effect transistors you wrote the post as if you needed the whole paper about it ;) I wrote after the post from the electrician: it is just like a colleague writes, other signs are + U, + Ucc, Vdd, in general, it is a power supply.

In fact, each designer has his own markings as to the mass and supply voltage, they are practically any sequence of letters. VCC, VDD, + 5V, AVCC ......

I also encountered the designation Vss - as the peak-to-peak voltage (with 230V mains voltage it is about 800Vss). This is due to the peak voltage of + 400V and -400V.

no inter-peak voltage is also denoted as b, often Vpp peak-peak

New Fashion! From the English Vpp. Formerly in Polish Vss (peak-peak).

Thank you very much now everything is clear but since I have already started this topic, I have a question whether there are any other frequently encountered and not yet clear indications of voltages or currents (if not, sorry for poisoning the ass )

in my opinion, it is best to ask on an ongoing basis when you find something and you will not know (you will not be sure), etc.

Crack the Code: Understanding VCC, VSS, VAC, VDC and More for Electronics Beginners

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#1 527555 02 Mar 2004 11:56

Ender Ender

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Post #1
527555 02 Mar 2004 11:56

I am a beginner "electronics" and looking for information on the markings found in the schemes: VCC VDC VAC VSS etc. What exactly do they mean (but this voltage I know ) and what are the differences. Thanks in advance for your help.
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#2 527912 02 Mar 2004 16:11

adi-niunio adi-niunio

Level 23

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Post #2
527912 02 Mar 2004 16:11

Vac - alternating voltage (alternating)
Vdc - constant voltage
Vcc - supply voltage (most often integrated circuits and bipolar transients
Vss - nap. power supply of field effect transistors

you wrote the post as if you needed the whole paper about it ;)

I wrote after the post from the electrician: it is just like a colleague writes, other signs are + U, + Ucc, Vdd, in general, it is a power supply.
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#3 528126 02 Mar 2004 19:02

elektryk elektryk

Level 42

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Post #3
528126 02 Mar 2004 19:02

In fact, each designer has his own markings as to the mass and supply voltage, they are practically any sequence of letters. VCC, VDD, + 5V, AVCC ......
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#4 528897 03 Mar 2004 09:37

Preskaler Preskaler

Level 40

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Post #4
528897 03 Mar 2004 09:37

I also encountered the designation Vss - as the peak-to-peak voltage (with 230V mains voltage it is about 800Vss).
This is due to the peak voltage of + 400V and -400V.
#5 529270 03 Mar 2004 14:18

adi-niunio adi-niunio

Level 23

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Post #5
529270 03 Mar 2004 14:18

no inter-peak voltage is also denoted as b, often Vpp peak-peak
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#6 529280 03 Mar 2004 14:27

Preskaler Preskaler

Level 40

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Post #6
529280 03 Mar 2004 14:27

New Fashion! From the English Vpp. Formerly in Polish Vss (peak-peak).
#7 530021 03 Mar 2004 21:43

Ender Ender

Level 12

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Post #7
530021 03 Mar 2004 21:43

Thank you very much now everything is clear but since I have already started this topic, I have a question whether there are any other frequently encountered and not yet clear indications of voltages or currents (if not, sorry for poisoning the ass )
#8 530082 03 Mar 2004 22:14

adi-niunio adi-niunio

Level 23

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Post #8
530082 03 Mar 2004 22:14

in my opinion, it is best to ask on an ongoing basis when you find something and you will not know (you will not be sure), etc.
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Topic summary

The discussion focuses on the meanings and differences of various voltage designations commonly encountered in electronics, such as VCC, VDC, VAC, and VSS. VCC typically refers to the supply voltage for integrated circuits, while VDC denotes constant voltage. VAC indicates alternating voltage, and VSS is often associated with the negative power supply in field-effect transistors. Participants note that different designers may use varying notations for voltage and current, including terms like VDD and AVCC. The conversation also touches on the concept of peak-to-peak voltage, with Vpp being a common designation. The author expresses gratitude for the clarifications and inquires about other voltage or current designations that may be less familiar.
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Crack the Code: Understanding VCC, VSS, VAC, VDC and More for Electronics Beginners

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