By Richard Chi Hsi Li
Forming the spine of trendy cellular and satellite tv for pc communications networks, radio frequency (RF) elements and circuits are integrated into every thing that transmits or gets a radio wave, reminiscent of cell phones, radio, WiFi, and walkie talkies. RF Circuit layout, moment variation immerses working towards and aspiring execs within the complicated global of RF design.
Completely restructured and reorganized with new content material, end-of-chapter workouts, illustrations, and an appendix, the booklet offers essential info in 3 whole sections:
Part One explains the various methodologies among RF and electronic circuit layout and covers voltage and tool transportation, impedance matching in narrow-band case and wide-band case, achieve of a uncooked machine, size, and grounding. It additionally is going over equipotentiality and present coupling on floor floor, in addition to format and packaging, manufacturability of product layout, and radio frequency built-in circuit (RFIC).
Part comprises content material at the major parameters and process research in RF circuit layout, the basics of differential pair and common-mode rejection ratio (CMRR), Balun, and system-on-a-chip (SOC).
Part 3 covers low-noise amplifier (LNA), strength amplifier (PA), voltage-controlled oscillator (VCO), mixers, and tunable filters.
RF Circuit layout, moment version is a perfect booklet for engineers and executives who paintings in RF circuit layout and for classes in electric or digital engineering.
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Additional resources for RF Circuit Design
The traditional AC grounding scheme for a digital circuit with low data rate is no longer reliable in the case of a digital circuit with high data rate. For highspeed digital circuitry, the AC grounding must be taken as seriously as for an RF circuitry. 4. In a digital circuitry with high data rate, isolation may become a serious problem. Usually, a digital signal is a rectangular pulse while an RF signal is sinusoidal. The former contains a wide-band spectrum while the latter contains a narrowband spectrum.
The voltage represents the status of the signal. For the sake of power saving, the power of the signal is reduced as much as possible. This answers the question why voltage transportation or manipulation or the “status” transportation or manipulation is a logical task in the digital circuit design. Similarly, in the transmitter, the digital signal is only required to reach the “modulation-effective status level” before the modulator. This implies that the power or voltage of the input digital signal to the modulator could be as low as possible as long as the input voltage or power reaches a level by which the carrier can be effectively modulated.
3. What is the difference in digital circuit design between low and high data rate cases? 4. High impedance is beneﬁcial to voltage transportation or manipulation while low impedance is beneﬁcial to power transportation or manipulation. Why? 5. Why is impedance the main parameter in RF circuit design? 6. Why is the normalized impedance regulated as 50 ? 7. 15915 pF = 1/(2π ) pF, what is the input impedance for an RF signal if its operating frequency is 10, 100, 1000, and 10,000 MHz, respectively?
RF Circuit Design by Richard Chi Hsi Li