Circuit arrangement comprising two cross-coupled...

Details Circuit arrangement comprising two cross-coupled... Circuit arrangement comprising two cross-coupled...

H - Electricity

03

F

330/21

H03F 3/45 (2006.01) H03G 1/00 (2006.01) H03G 1/04 (2006.01) H03G 5/00 (2006.01)

Patent

CA 1165828

PHD.80-082 19.2.81 ABSTRACT "Circuit arrangement comprising two cross-coupled differential amplifiers" The invention relates to a circuit arrangement which comprises two identical amplifier circuits, which circuits each comprise two cross-coupled -transistor pairs. The input signal is applied to the transistor pairs of the two amplifier circuits with equal amplitude but opposite phase, and the output signals are subtracted from each other. As a result of this the fundamentals and the odd harmonics in the output currents of the two amplifier circuits are added to each other, whilst the even harmonics, in particular the second harmonics, cancel each other.

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