# Current/Voltage Controlled Current/Voltage Sources

**URL:** <https://forum.plexim.com/t/current-voltage-controlled-current-voltage-sources/817>\
**Category:** PLECS\
**Tags:** 1, plecs, standalone, 4\
**Created:** [July 26, 2020, 3:25pm UTC](https://forum.plexim.com/t/current-voltage-controlled-current-voltage-sources/817 "2020-07-26T15:25:01Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Andrew](https://avatars.discourse-cdn.com/v4/letter/a/f19dbf/32.png) [@Andrew](https://forum.plexim.com/u/Andrew)\
**Post date:** [July 26, 2020, 3:25pm UTC](https://forum.plexim.com/t/current-voltage-controlled-current-voltage-sources/817/1 "2020-07-26T15:25:01Z")

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```auto
Hello,

How can implement:

[b]1. Current Controlled Current Source (CCCS)
2. Current Controlled Voltage Source (CCVS)
3. Voltage Controlled Voltage Source (VCVS)
4. Voltage Controlled Current Source (VCCS)[/b]

in Plecs Standalone (4.1)?

Thank you.

```

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<div class="post-metadata">

**Author:** ![Kris\_Eberle](https://dub1.discourse-cdn.com/flex006/user_avatar/forum.plexim.com/kris_eberle/32/6_2.png) [@Kris\_Eberle](https://forum.plexim.com/u/Kris_Eberle)\
**Post date:** [July 27, 2020, 12:07pm UTC](https://forum.plexim.com/t/current-voltage-controlled-current-voltage-sources/817/2 "2020-07-27T12:07:27Z")

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Hello,

The PLECS Electrical\>Sources component library has both a Controlled Current Source and a Controlled Voltage Source block. These have control signal input ports, so the drive signal can be any logic that you design, measure, or apply processing to existing signals. Just beware of creating algebraic loops in your model.

Regards,

Kris

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<div class="post-metadata">

**Author:** ![Andrew](https://avatars.discourse-cdn.com/v4/letter/a/f19dbf/32.png) [@Andrew](https://forum.plexim.com/u/Andrew)\
**Post date:** [August 1, 2020, 4:13am UTC](https://forum.plexim.com/t/current-voltage-controlled-current-voltage-sources/817/3 "2020-08-01T04:13:28Z")

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```auto
[b]Ok, thank you for your answer.[/b]

```