CPC H03F 3/19 (2013.01) [H03F 2200/294 (2013.01); H03F 2200/372 (2013.01); H03F 2200/534 (2013.01); H03F 2200/541 (2013.01)] | 30 Claims |
1. An amplifier, comprising:
an input transformer including a first coil, a second coil, and a third coil, the second coil being coupled to an input node configured to receive an input signal;
a first transconductance transistor having a gate coupled to the input node through the second coil and having a source coupled to the third coil;
an output transistor;
an output transformer including a fourth coil coupled to a source of the output transistor; a fifth coil coupled to a gate of the output transistor; and a sixth coil coupled to a drain of the output transistor; and
a first cascode transistor coupled between a drain of the first transconductance transistor and the fourth coil.
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