Inductor-free broadband low-noise amplifier
A broadband low-noise, amplifier technology, applied to amplifiers, improved amplifiers to expand bandwidth, improved amplifiers to improve efficiency, etc., can solve problems such as significant parasitic effects, poor matching of circuit layout, and deterioration of noise performance, and achieve good matching and gain Flexible control, the effect of reducing the area
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[0036]Example 1
[0037]The physical parameters of the specific PMOS and NMOS transistors in the circuit of the present invention are selected as follows:
[0038]The first NMOS tube MN1 and the first PMOS tube MP1 have the same aspect ratio, the value of which is 26.2 / 1, and the value of fingers is 100;
[0039]The second NMOS tube MN2 and the second PMOS tube MP2 have the same aspect ratio, the value of which is 26.2 / 1, and the value of fingers is 80;
[0040]The third NMOS tube MN3 and the third PMOS tube MP3 have the same aspect ratio, the value is 38.5 / 1, and the fingers value is 20;
[0041]The fourth NMOS tube MN4 and the fourth PMOS tube MP4 have the same aspect ratio, with a value of 38.5 / 1 and a fingers value of 30;
[0042]The working voltage of the circuit of the present invention is 1.3V or 1.8V
[0043]The test of the amplifier circuit composed of specific PMOS and NMOS tubes using the above physical parameters shows that the working frequency band of the present invention is 70MHz~6.0GHz,...
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