transistor power amplifier 中文意思是什麼
transistor power amplifier
解釋
晶體管功率放大器- transistor : n. 【無線電】晶體（三極）管；晶體管[半導體]收音機。 a transistor radio 晶體管[半導體]收音機。
- power : n 1 力，力量；能力；體力，精力；（生理）機能；〈常 pl 〉才能。2 勢力，權力，權限；威力；政權；權...
- amplifier : n. 1. 【電學】擴大器；擴音器。2. 放大鏡；放大器。
-
Test results show that under 2 - tone test in 5mhz tone spacing, the power amplifier system achieves - 50dbc imd3 with 20w output power, improved 20db in imd3 compared with the one without linearity. estimated value of aclr comes to 53db, which satisfies the 3gpp requirement for wcdma base - station transistor. further tests with alterative input power indicate a steady suppression to the imd3 controlled by the adaptive system
測試結果表明，自適應前饋功放系統在雙音輸出功率20w時三階交調系數小於- 50dbc ，鄰通道泄漏抑制比（ aclr ）的估算結果大於53db ，在理論上滿足3gpp對wcdma基站發射機的指標要求。 -
A high efficiency dual - band rf power amplifier has an output and / or input of a high frequency transistor well terminated at the second harmonic frequency for dual - band operation
本發明乃一種高效率雙頻射頻功率放大器，提供高頻電晶體的輸出端與?或輸入端于雙頻操作中有良好的二階諧波終止。 -
To compare with transistor ( complete solid - state ) high - frequency linear power amplifier, there are some disadvantages : bad stability and reliability, low efficiency, high cost for operating, huge cabinet, heavy maintenance work load, low security for high - voltage electricity offering, and to ensure the continuance of tv program, the transmitter must be operating with main frame and spare frame
它們與晶體管（全固態）高頻線性功率放大器相比，存在著穩定性及可靠性差、效率低、運行費用高、發射機體積大、日常維護工作量大、高壓供電不安全、必須採用主機和備機的運行方式來確保電視節目不停播等缺點。 -
Based on the design theory of power amplifier, a wide - band power amplifier was designed successfully by the push - pull transistor, the feedforward technical of linearization, the matching circuits of transmission line transformers and microstrip, and ads simulation software
根據寬帶功率放大器的設計原理，採用推挽結構晶體管，前饋線性化技術，傳輸線變壓器和微帶混和匹配電路，利用ads進行模擬設計，成功的設計出一款寬帶功率放大器。 -
( 4 ) specially made a research in the key technology of uhf complete solid - state high - frequency linear power amplifier : balancing transistor high - frequency linear power amplifier and the technology of 3db power integrating ( allocating )
（ 4 ）重點研究了uhf全固態電視發射機高頻線性功率放大器的關鍵技術：平衡式晶體管高頻線性功率放大器以及3db功率合成（分配）技術。 -
To reduce power dissipation of the amplifier, a kind of on / off technology is used in the circuit. with a little bias current circuit to control the main bipolar transistor operation, the transistor will be in a state of on / off
採用器件旁路小電流工作電路，實現對低噪聲放大器主要工作晶體管的控制，使該晶體管按需要分別處于工作或關斷狀態，保證了放大器的極低功耗。 -
Transistor hi - fi power amplifier, the output impedance is low, can actuate the speaker well
高速晶體管hi - fi功率放大器，輸出阻抗低，能更好地驅動揚聲器。
分享友人