Radio-frequency ultra-wideband low-noise amplifier based on inductance compensation
A low-noise amplifier, ultra-wideband technology, applied in high-frequency amplifiers, improving amplifiers to expand bandwidth, improving amplifiers to reduce noise effects, etc. , the effect of easy to test alone
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[0033] Combine below figure 2 The ultra-wideband low-noise amplifier of the present invention is further described.
[0034] The ultra-wideband low-noise amplifier of the present invention is mainly composed of an input amplification stage, a feedback stage, a matching stage, a load stage, a bias stage and an output buffer stage circuit. The connection relationship and functions of each part are as follows:
[0035] The power supply voltage VDD is 1.2V, and GND is 0V;
[0036] The input amplification stage is composed of NMOS transistors MN1, MN2 and PMOS transistor MP1 to realize the amplification function of the input signal. The source of MN1 is grounded, and the drain is connected to the drain of MP1 and the source of MN2 respectively. The source is connected to the power supply VDD;
[0037] The feedback stage is composed of NMOS transistor MN3, resistor Rf, and DC blocking capacitors C1 and C2. The drain of MN3 is connected to the power supply VDD, the gate is connected...
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