The present invention provides a high frequency power amplifier, for a polar loop transmitter, etc., the power control can be improved linearity. 在多级结构的基极偏置控制式高频功率放大器中,利用偏置电路(144),使得提供给初级晶体管(103)的基极偏置电流(Ia)的启动电压低于提供给第二晶体管(107)的基极...
A high-frequency power amplifier includes a transistor which is inputted with a high-frequency signal, amplifies the high-frequency signal and outputs the same; a fundamental-signal matching circuit, one end of which is connected to an output of said transistor and which matches at least the imp...
Modulation device for a high-frequency power amplifier A correction of the modulation pulse is determined from the non-linear control characteristic of the high-frequency power amplifier (2) in such a manner that the effect on the desired output pulse shape, caused by the non-linear control .....
in the gigahertz frequency range. In a current-mode Class-D power ampli- er, current is switched. The short-circuit harmonic termination of the output resona- tor forces the voltage to be sinusoidal. The ampli er has an interesting balanced topol- ...
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PROBLEM TO BE SOLVED: To provide a high-frequency power amplifier circuit which is superior in control performance of output power by a control voltage, such as a power control signal and has high efficiency at low output. SOLUTION: The high-frequency power amplifier circuit having a multi-stag...
47dBm GSM High Efficiency Power Amplifier This type IMD3 is ≤-36dBc. All the parameters of PA can be customized depend on your request, if you have any customized parameters pls contact us freely, Technical Specifications Frequency(MHz) 925-960mhz or Customized Input Power(dBm)...
A high frequency power amplifier module of a multistage amplifier construction comprising: an input terminal; an output terminal; a control terminal; and a mode switching terminal. The first amplification stage includes a dual gate FET, ... M Numanami,H Akamine,T Shibuya,... - US 被引量: ...
Power Amplifier 20-6000MHz High Power Wide Frequency PA Amplifier for Jammer, Find Details and Price about Power Amplifier Signal Generator from Power Amplifier 20-6000MHz High Power Wide Frequency PA Amplifier for Jammer - Shenzhen Zd Tech Co., Ltd