TecniCalc - Amplifiers

Amplifiers

Complete BJT and JFET module with gain, bias, small-signal and capacitor sizing.

Gains, dB, and dividers

Av/Ai/Ap gains, power, and input/output dividers.

Input divider

Output divider

Gains + dB

If vi, vo, ii, io are provided, Av/Ai/Ap are computed.

BJT DC (bias)

Five bias structures + saturation check.

VCC bias

VEE bias

BJT AC (small signal)

Common emitter and common collector with impedances.

Common emitter (CE)

Common collector (CC)

Capacitors (fL)

Sizing Ci, Co, and CE.

Input / Output / Bypass

Cascade / Miller

Total gain, coupling capacitor, and Miller effect.

Total gain

Coupling capacitor

Miller effect

Miller applied (Zi/Zo)

JFET DC (AP/DTG)

Shockley with numeric solver and region check.

Self-bias (AP)

Gate divider (DTG)

RD/RS sizing

RG1/RG2 sizing

JFET AC (gm and gain)

Transconductance, gain, and impedances.

gm

Gain and impedances

JFET capacitors

Efficiency (eta)

Load power versus supply power.

Efficiency