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## Triode bias voltage calculator

Bias voltage refers to the voltage that should be set between the base-emitter and the collector-base when the transistor is in the amplification state in the transistor amplification circuit. For the transistor to be amplified, the PN junction between the base and the emitter should be positively biased, and the PN between the collector and the base should be inversely biased.

Transistor bias resistor series

 Corresponding type Series resistance Divider type RB (Base resistor) (KΩ) VB (Bias Voltage) (V) R1 Pull-up resistor (KΩ) R2 Pull-down resistor (KΩ) RC (Collector resistor) (KΩ) RE1 (Emitter resistor 1) (KΩ) RE2 (Emitter resistor 2) (KΩ) VP (Supply Voltage) (V) Beta (DC Current Gain) VBE (Base to emitter drop) (V) Rs ( Source Resistance): (Ω) RL (Load resistor) (Ω) fT（Current gain bandwidth）: Optional (MHz) CCB Collector-base capacitance（Optional） (pF) CBE Base-emitter capacitance（Optional） (pF) Vc (Collector Voltage) (V) Ve (Emitter Voltage) (V) Vb (Base Voltage) (V) Ic (Collector Voltage) (mA) Ib (Base Voltage) Base current (mA) gm (Transconductance) rπ (Transistor input resistance at low frequencies) saturation Deadline CECommon emitter）Configuration parameter A (Amplifier voltage gain) C MCE (Miller Capacitance) (pF) BWCE (BW) (MHz) CC （Common electrode）Configuration parameter A (Amplifier voltage gain) Rin (KΩ) BWCC (BW) (MHz)