Patent ID: 6198350
Filing Date: 2001-03-06
Classification: H03F

Abstract:
A signal amplifying circuit comprising:an amplifier having first and second inputs and an amplifier output defining an output of said signal amplifying circuit;a first diode circuit having a cathode defining a first input of said signal amplifying circuit and an anode;a first resistor connected between said anode of said first diode circuit and said first input of said amplifier;a first current source supplying a first current to a common connection of said anode of said first diode circuit and said first resistor;a second diode circuit having a cathode defining a second input of said signal amplifying circuit and an anode; anda second resistor connected between said anode of said second diode circuit and said second input of said amplifier;wherein said first current source further supplies said first current to a common connection of said anode of said second diode circuit and said second resistor.