High-performance RF/IF amplifier design

Abstract: high-performance RF/IF amplifier design information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. The introduction in the communications infrastructure equipment, radar, RFID reader, measurement and control, consumer electronics, medical equipment of RF signal chain ( FIG. 1) Amplifier ( Low noise amplifier LNA, IFA intermediate frequency amplifier, driver amplifier and gain module) Is an important device. 。 More flow meter manufacturers choose model price quote you are welcome to inquire, here is a high-performance RF/IF amplifier design article details. The introduction in the communications infrastructure equipment, radar, RFID reader, measurement and control, consumer electronics, medical equipment of RF signal chain ( FIG. 1) Amplifier ( Low noise amplifier LNA, IFA intermediate frequency amplifier, driver amplifier and gain module) Is an important device. ADI company zui new cover all 12 amplifier of rf signal chain. The amplifier and power detector, modulator, demodulator, synthesizer product combination to achieve complete signal chain solutions. ADI company new four family products include high-performance rf amplifier LNA ( Low noise amplifier) 、IFA（ Intermediate frequency amplifier) , drive and rf gain amplifier module. Low noise amplifier for receiving link of the first amplifier, low noise amplifier ( LNA） Is to define the system performance is an important part of, must be able to not obvious increase in noise, successfully amplified signal level is very low. ADI company LNA_ADL5521, AD5523 working at 400 MHZ ~ 4 GHZ, it has good zui gain ( ADL5521 for 15 db, ADL5523 of 17. 5 db) And low noise factor ( ADL5521 is 0. 8 DBNF, ADL5523 is 1. 1dBNF） , high output third-order alternating load point, low power consumption, internal active bias circuit, and the required external tuning element zui. Intermediate frequency amplifier ADI company's intermediate frequency amplifier ( IFA) ADL553x series ( ADL5530、ADL5531 ADL5532 ADL5533 ( 75Ω ） ADL5534 ( Dual channel) ） Is to support 70. 140. 190. 240 and 380 MHZ zui common intermediate frequency application specifically designed. New IFA provides a high linearity, 41 DBM for zui better signal dynamic range of the noise coefficient in a 2. On 5 db, in addition to the built-in bias circuit, 1 kvclass1cesd support. Driver amplifier ADL532x driver amplifier series for a given output power provides a high linearity, zui realized directly used for power amplifier stage of low distortion, high output driver. 400 MHZ ~ 2 ADL5320 working bandwidth. 7 GHZ, provide 42 DBM output linearity and 26 DBM output compression, consumes only 104 ma current. ADL5322 and ADL5323 working at 700 MHZ ~ 4 GHZ and 1 respectively. 7 ghz ~ 2。 4 GHZ frequency band, with 45 DBM output IP3 linearity and 28 DBM compression points, they are internal matching, can be exempted from 10 under external components. W - for CDMA CDMA applications both amplifiers provide excellent adjacent channel power ratio ( Above the + 10 DBM output power, ADL5323 provide better than 70 DBC adjacent channel leakage ratio ACPR) 。 Gain module ADS5541 and ADL5542 operates at low frequency to 6 GHZ broadband gain module. The two modules have internal matching 50 & Omega; Impedance, built-in bias circuit. ADL5541 provide 15 db gain, 40 DBM output linearity, ADL5542 provide 20 db gain, 40 DBM output linearity. The two broadband gain module is fully electrostatic discharge ( ESD） Protection of traditional operas and foot LFCSP encapsulation. Conclusion rf amplifier, presented in this paper support the next generation of broadband access system is the application of high performance and relatively wide bandwidth, without sacrificing the cost, size and power consumption. Each family of rf amplifier provides * linearity gain, noise coefficient and frequency range performance, with a high level of electrostatic discharge design and optimal performance guide for product consistency. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.

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