The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login
|
Sign Up
|
Oriprobe Inc.
|
Feed
Home
Journals
Order
TOC Alerts
Subscription
Products & Services
Pricing
FAQ
About
Journal Articles
Laws/Policies/Regulations
Companies/Products
Title, abstract, keywords:
Combined Search
Advanced Search
Pay per View through On Demand Search
Package:
ALL
Astro-Earth Science
Agriculture
Physics
Mathematics
Arts & Humanities
Medline Collection
Health/Medicine/Biology
Chemistry/Chemical Engineering
CAOD
English Journals
Traditional Chinese Medicine
NPC CPPCC Journals
China Defense and Military Sciences
Author:
Journal / Book Title:
Year:
Volume:
Issue:
mai chong zhong fu pin lv jian bie qi
Author(s):
ZUO Huijuan
Pages:
27
-
28
Year:
1993
Issue:
0
Journal:
Beijing Electronics Information Time Guiding
Keyword:
鉴别器
;
脉冲重复频率
;
输入脉冲
;
D触发器
;
鉴别电路
;
鉴别并
;
D型触发器
;
单稳态触发器
;
实用电路
;
述要
;
Abstract:
<正> 在许多场合下,需要采用硬件电路对脉冲序列(例如时钟脉冲)的重复频率进行鉴别并产生相应的控制信号。具体要求是:当输入脉冲重复频率fc高于阈值频率f
0
时,输出为高电平;反之,则输出为低电平(或作相反的规定)。 利用单稳态触发器和D触发器可设计出满足上述要求的简单、实用的鉴别电路,其原理及波形如图1和图2所示。
Citations
No citation found
Related Articles
No related articles found