> For the complete documentation index, see [llms.txt](https://elishai.gitbook.io/neuromorphic-engineering/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://elishai.gitbook.io/neuromorphic-engineering/architect-perspective/8.-neuromorphic-hardware/the-silicon-neuron.md).

# The silicon neuron

Chapter 8.2

{% hint style="info" %}
Read the introduction to Chapter 8.2
{% endhint %}

### Circuit simulation with LTSpice

Get LTSpice from:

{% embed url="<https://www.analog.com/en/design-center/design-tools-and-calculators/ltspice-simulator.html>" %}

Watch this getting started video:

{% embed url="<https://www.youtube.com/watch?v=abyxz8jfgK4>" %}

### The pulse current-source synaptic circuit

{% hint style="info" %}
Read Chapter 8.2.1
{% endhint %}

Get the simulation file from and experiment with the circuit:

{% file src="/files/-Mj4G2Wg7QG2LEmEvaxL" %}

![](https://1487620879-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MiS7NytljlKs-2Yccqw%2F-Mj4A7xE2C_ww8dHt6R_%2F-Mj4GUxnJAiiDahQ784N%2FScreen%20Shot%202021-09-08%20at%2014.57.55.png?alt=media\&token=5ed4462c-77a9-4b52-9929-1c02255b09bb)

### The reset-discharge synapse

{% hint style="info" %}
Read Chapter 8.2.2
{% endhint %}

Get the simulation file from and experiment with the circuit:

{% file src="/files/85Bt9jRrqNe2tDs43qBV" %}

![](https://1487620879-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MiS7NytljlKs-2Yccqw%2F-Mj4A7xE2C_ww8dHt6R_%2F-Mj4H9tXRAKoyjaXdlFp%2FScreen%20Shot%202021-09-08%20at%2015.01.04.png?alt=media\&token=ec555a11-762f-4f88-a305-ea1caed57daa)

### The charge and discharge synapse

{% hint style="info" %}
Read Chapter 8.2.3
{% endhint %}

Get the simulation file from and experiment with the circuit:

{% file src="/files/-Mj4HshrS35HLo4kFN5B" %}

![](https://1487620879-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MiS7NytljlKs-2Yccqw%2F-Mj4A7xE2C_ww8dHt6R_%2F-Mj4HwWW9yTyEmfTsHGC%2FScreen%20Shot%202021-09-08%20at%2015.04.09.png?alt=media\&token=a30cf563-37aa-408b-b00e-7dafdfd477b7)

### The log-domain integration synapse

{% hint style="info" %}
Read Chapter 8.2.4
{% endhint %}

Get the simulation file from and experiment with the circuit:

{% file src="/files/-Mj4IV9hUVD2\_4PslTz8" %}

![](https://1487620879-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MiS7NytljlKs-2Yccqw%2F-Mj4A7xE2C_ww8dHt6R_%2F-Mj4IQ1704sWFkNh7BrK%2FScreen%20Shot%202021-09-08%20at%2015.06.38.png?alt=media\&token=cabb638b-d152-49c8-a6e8-0a17bf558de1)

### The axon-hillock neuron

{% hint style="info" %}
Read Chapter 2.2.5
{% endhint %}

Get the simulation file from and experiment with the circuit:

{% file src="/files/-Mj4K7bAmJYLlPqeNSo4" %}

![](https://1487620879-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MiS7NytljlKs-2Yccqw%2F-Mj4IYyhQ1ibK7WXAjOQ%2F-Mj4K_mOrr313CrtjkYs%2FScreen%20Shot%202021-09-08%20at%2015.15.12.png?alt=media\&token=3ca946b8-2e6e-4a66-ab27-74906bf82a6e)

### The voltage-amplifier LIF neuron

{% hint style="info" %}
Read Chapter 2.2.6
{% endhint %}

Get the simulation file from and experiment with the circuit:

{% file src="/files/-Mj4LH-k7dW8TYzt4Yev" %}

![](https://1487620879-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MiS7NytljlKs-2Yccqw%2F-Mj4IYyhQ1ibK7WXAjOQ%2F-Mj4LBntzcvMOx4uE7u6%2FScreen%20Shot%202021-09-08%20at%2015.18.52.png?alt=media\&token=19e81d3d-831f-4710-9560-36f39cfce0f3)