JFET Biasing Calculator

Calculate JFET self-bias resistor values and operating parameters

JFET Parameters

Saturation Drain Current (Idss) - mA

Pinch-off Voltage (Vgs_off) - Volts

Supply Voltage (Vdd) - Volts

Desired Drain Current (Id) - mA

Drain-Source Voltage (Vds) - Volts

Source Resistor (Rs)234 Ω

Drain Resistor (Rd)1366 Ω

Gate Resistor (Rg)1.0 MΩ

Gate-Source Voltage (Vgs)-1.17 V

Drain Current (Id)5.00 mA

Transconductance (gm)3.54 mS

Voltage Gain (Av)4.83

Power Dissipation35.00 mW