BIAS CIRCUIT
PROBLEM TO BE SOLVED: To suppress intermodulated components. SOLUTION: The bias circuit of FETs (or bipolar transistors) Q1 and Q2 comprises: a notch filter composed of two inductors of an inductance L and a one-terminal grounded capacitor of capacitance 2C; and a one-side power feeding circuit from...
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Zusammenfassung: | PROBLEM TO BE SOLVED: To suppress intermodulated components. SOLUTION: The bias circuit of FETs (or bipolar transistors) Q1 and Q2 comprises: a notch filter composed of two inductors of an inductance L and a one-terminal grounded capacitor of capacitance 2C; and a one-side power feeding circuit from a bias power supply VG, etc. The blocking frequency of the notch filter is set at a difference frequency Δf of an input signal component. |
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