video frequency amplifier

基本解釋

Purpose: General amplifier and video frequency output in small screen TV.
用途：用于普通放大及小屏幕電視機(jī)視放電路。
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An intermediate frequency(IF) variable gain amplifier(VGA) for DVB-C(Digital video broadcasting-cable) standard is presented in the paper.
設(shè)計了一種適于DVB-C標(biāo)準(zhǔn)的中頻可變增益放大器。
Also the designing process of pulse modulator, intermediate frequency amplifier, video frequency amplifier and analog filter is introduced in the dissertation.
并根據(jù)研制過程重點(diǎn)介紹了脈沖調(diào)制器、中頻放大器、視頻放大器、濾波器等幾個關(guān)鍵系統(tǒng)部件的設(shè)計及研制情況。

視頻放大器
The testing and transforming device includes these parts:power supply,stimulus pulse supplying circuit,stimulus pulse amplifier circuit,former amplifier circuit,high frequency and broad band amplifier circuit,demodulation and video frequency amplifier citcuit,attenuator part.
測試轉(zhuǎn)換裝置包括電源電路、激勵脈沖產(chǎn)生電路、激勵脈沖放大電路、前置放大器電路、高頻寬帶放大器電路、檢波及視頻放大器電路、衰減器組件等的設(shè)計。
電子、通信與自動控制技術(shù)
視頻放大器