| 摘要 |
The circuit is for a simple nonlinear synapse in place of complex Gilbert multiplier circuit of a neural network. It consists of an NMOS transistor (MOS1) of which drain and gate are connected to input signal and weight signal of the neuron for excitatory function, a PMOS transistor of which drain and gate are connected to the inverted input signal and weight signal of the neuron respectively for inhibitory function. The output signal of the synapse is transmitted to a sigmoid circuit (30) for producing output signal of the neuron and to a threshold circuit (20) which determines the threshold voltage of the neuron.
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