1.
					
							Intermediate frequency amplifier center frequency
						
					
					
						
						
					
					
						中频放大器的中心频率
					2.
					
							sound IF amplifier tube
						
					
					
						
						
					
					
						声频信号中频放大器
					3.
					
							Stagger-tuned intermediate frequency amplifier
						
					
					
						
						
					
					
						参差调谐中频放大器
					4.
					
							A gain control design of IF amplifier applied in the receiver RF destination
						
					
					
						
						
					
					
						接收射频前端中频放大器增益控制电路设计
					5.
					
							ceramic filter IF amplifier circuit
						
					
					
						
						
					
					
						陶瓷滤波器中频放大电路
					6.
					
							multi-section filter IF amplifier circuit
						
					
					
						
						
					
					
						多节滤波器中频放大电路
					7.
					
							IF Amplifier with Linear and Logarithmic Characteristics
						
					
					
						
						
					
					
						用线性和对数特性实现中频放大电路的设计
					8.
					
							audio-frequency amplifier
						
					
					
						
						
					
					
						声频放大器音频放大器
					9.
					
							Research on the Amplification of Ultrabroad Bandwidth Laser Pulse in Fiber Amplifier;
						
					
					
						
						
					
					
						光纤放大器中宽频带激光脉冲放大研究
					10.
					
							The Application of Real Frequency Technique in the Design of a Broadband Microwave Amplifier
						
						
						实频技术在宽带微波放大器中的应用
					11.
					
							Purpose: For low-frequency power amplifiers and mid-speed switching.
						
					
					
						
						
					
					
						用途:用于低频功率放大和中速开关。
					12.
					
							Intermediate Frequency Programmable Gain Amplifier with DC Offset Cancellation Loop
						
					
					
						
						
					
					
						带有DCOC结构的中频可编程增益放大器
					13.
					
							Use to create a video for playback in a large video template. Captured content emphasizes high-quality video and audio. Intended for local playback.
						
						
						用于创建在大屏幕视频模板中播放的视频。捕获的内容强调高质量的视频和音频,用于本地播放。
					14.
					
							Design of a Low Noise Amplifier and a Down-conversion Mixer in a 2.5GHz Radio Frequency Receiver;
						
						
						2.5GHz射频接收机中低噪声放大器和下变频器的设计
					15.
					
							AN APPROXIMATE ANALYSIS AND THE ERROR PROBLEM ON THE MULTISTAGE AMPLIFIER AT HIGH FREQUENCIES
						
						
						关于多级放大器中高频段近似分析及误差问题
					16.
					
							Research on selective optical amplification of Brillouin spectrum of weak scattering signals in water
						
						
						水中微弱光散射布里渊频谱选择性光放大研究
					17.
					
							A Study on Selection of Frequency Band width of Base-band Nanosecond Pulse Amplifier.
						
					
					
						
						
					
					
						零中频毫微秒脉冲放大器带宽选择的研究
					18.
					
							Investigation of Rf Power Amplifier Based on Software-Defined Radio;
						
					
					
						
						
					
					
						软件无线电中射频功率放大器设计的研究