What is a peaking amplifier?
Answers from top 27 papers
More filters
| Papers (27) | Insight |
|---|---|
| It is shown that the area and the achievable bandwidth of the optimal inductive peaking structures will scale favorably with the CMOS technology trends. | |
| The nonlinear phase variation of the peaking amplifier influences the load modulation behavior and reduces efficiency of the Doherty amplifier at a high output power region. | |
16 Sep 2003 | This is the highest reported gain for a CMOS distributed amplifier. |
| According to the second study, it might be possible to amplify peaking factors for design dramatically by a slight increase in the investment on this system. | |
38 Citations | This allows accurate operation even for low amplifier gains and large offsets over a wide input frequency range. |
22 Jun 1999 29 Citations | We propose a peaking filter that combines a simple structure with good image quality. |
14 May 2007 | To our knowledge, this is the highest amplifier gain per stage achieved at this frequency range. |
08 Aug 2000 | The common-base preamplifier low input impedance resulted in more efficient use of the peaking methods by requiring lower capacitor and inductor values. |
01 Dec 2012 | This topology enables the enhancement of amplifier bandwidth and achieves a more compact amplifier size. |
| The amplifier is unique in its use of a source follower second stage, resistive feedback, and on-chip matching. | |
55 Citations | The employment of both techniques further increases the bandwidth, reduces the value of the series peaking inductor, and improves noise performance of the pre-amplifier at high frequencies. |
| The very low input impedance of the pre-amplifier ( ≈ 5Ω) allows 1.8 ns of peaking time, at the cost of 10 mW of power consumption. | |
86 Citations | First, it offers a higher differential gain and a bandwidth that is independent of gain, unlike a traditional voltage-mode instrumentation amplifier. |
| The peaking stage can therefore be implemented with a smaller device than the carrier. | |
| Furthermore, the input capacitor value of peaking amplifier FET can be modified through modifying bias voltage and match resistance of non-foster circuits. | |
| As a result, the amplifier can improve the efficiency and reduce the quiescent current. | |
70 Citations | To our knowledge, this is the highest power silicon-based D-band amplifier to date. |
22 Citations | With the new offset line, the load of the peaking amplifier can be properly modulated and the efficiency at the high power region is increased. |
| The gain expansion of the first stage due to its lower gate bias helps the second stage of the peaking amplifier to be biased for light Class-C operation and to have steeper turn-ON characteristics, which leads higher peak output power and higher back-off efficiency. | |
| To mitigate the nonlinear PM characteristic of the peaking amplifier, the length of the peaking offset line should be reduced from the conventional offset line. | |
| To our knowledge, this is the highest magnification with joule-level output energy in a single-stage amplifier system that has ever been built. | |
53 Citations | The conclusion is that, at different normalized frequencies, there are different optimal impedance regions for the output impedance of peaking stage. |
| Theoretical analysis and simulation results demonstrate that the inductive peaking techniques increase the bandwidth significantly. | |
32 Citations | A bandwidth compensation technique is then proposed, thereby reducing the peaking device drain impedance variation. |
| It shows that the shunt-peaking technique needs a lower peaking inductance. | |
| It is shown that common peaking methods, although providing significant signal bandwidth enhancement ratios (BWER), are limited to 30%-50% of their speed potential by output matching requirements. | |
43 Citations | In addition, circuit simulation predicts that this technique expands the bandwidth by about 40% over a conventional peaking technique. |
Related Questions
What is peak oil?5 answersPeak oil refers to the future decline in world production of crude oil and the potentially calamitous effects that accompany it. It is a point in time when our civilization will have used half of all economically extractable oil, and all future production is on a downward slide of diminishing returns. The majority of the literature on peak oil is non-economic and ignores price effects, even when analyzing policies. However, economic analysis is appropriate for analyzing oil scarcity, as standard economic models can replicate the observed peaks in oil production. The concept of peak oil is framed by the interaction of a diversity of constraints that limit flow rates of oil to society. It is a phenomenon that affects the globalized industrial food system, as it depends on oil for fueling farm machinery, producing pesticides, and transporting goods.
What is a summing amplifier?3 answersA summing amplifier is a type of amplifier that combines multiple input signals into a single output signal. It is commonly used in various applications such as signal processing and telecommunications. The summing amplifier can be implemented using different configurations, such as feedback operational amplifiers or transconductance devices. In the feedback operational amplifier configuration, the weighting factors are determined by the feedback resistance and the individual dropping resistances. On the other hand, the transconductance device configuration utilizes transconductance devices of different types to convert input voltages into output currents, which are then summed together. The summing amplifier can be used to amplify and combine signals in a precise and controlled manner, making it a valuable component in many electronic systems and circuits.
How does an amplifier works?5 answersAn amplifier works by taking an input signal and increasing its amplitude to produce an amplified output signal. It achieves this through various components and circuits. The amplifying circuit is connected to the input circuit and power supply circuit, allowing it to receive and amplify the input signal using an amplifying gain. The amplifier circuit includes an amplification transistor, bias circuit, inductor, and variable resistance circuit. The amplification transistor amplifies the high-frequency signal, while the bias circuit supplies a bias current to control the transistor. The inductor and variable resistance circuit are connected to the transistor to further enhance the amplification. Another amplifier design includes a biasing unit, amplifying unit, and Schmitt trigger. The biasing unit generates a bias current independent of the power supply, increasing power supply rejection ratio. The amplifying unit receives an input voltage and generates an amplified voltage based on the biasing current. The Schmitt trigger then generates and outputs a modified voltage. Additionally, an amplifier circuit can have two-stage amplifiers that provide high gain in high-gain mode and switch to single-stage amplification in low-gain mode by turning off the second-stage amplifier and coupling the first-stage amplifier to the output end through a signal isolation element. Finally, an amplifier circuit may include a voltage offset providing circuit and a voltage control capacitor to compensate for the amplifier circuit. The voltage offset providing circuit creates an offset voltage, and the voltage control capacitor adjusts the capacitance value based on the output voltage of the amplifier.
What is amplifier in AVR?9 answers
What is amplifier in motor?10 answers
Which amplifier has maximum distortion?10 answers