ラテラルpnpトランジスタ
A lateral pnp transistor has a parasitic pnp transistor. The circuit below is a pnp current mirror where Q2A is the parasitic transistor of Q2. When Q2 goes into saturation, Q2A turns on and I2 flows in the reverse direction.
A lateral pnp transistor has a parasitic pnp transistor. The circuit below is a pnp current mirror where Q2A is the parasitic transistor of Q2. When Q2 goes into saturation, Q2A turns on and I2 flows in the reverse direction.