TW342559B - Fast timing acquisition device for relay type frequency-locked circuit and phase-circuit - Google Patents

Fast timing acquisition device for relay type frequency-locked circuit and phase-circuit

Info

Publication number
TW342559B
TW342559B TW086105311A TW86105311A TW342559B TW 342559 B TW342559 B TW 342559B TW 086105311 A TW086105311 A TW 086105311A TW 86105311 A TW86105311 A TW 86105311A TW 342559 B TW342559 B TW 342559B
Authority
TW
Taiwan
Prior art keywords
circuit
phase
pass filter
timing acquisition
acquisition device
Prior art date
Application number
TW086105311A
Other languages
Chinese (zh)
Inventor
Chorng-Guang Uang
Muh-Tian Shiue
Guang-Huu Hwang
Bor-Jiun Hwang
Original Assignee
Nat Science Council
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nat Science Council filed Critical Nat Science Council
Priority to TW086105311A priority Critical patent/TW342559B/en
Application granted granted Critical
Publication of TW342559B publication Critical patent/TW342559B/en

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  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Radio Relay Systems (AREA)

Abstract

A fast timing acquisition device for relay type frequency-locked circuits and phase-locked circuits, which comprises a conversion detector, a voltage control oscillator, a circuit filter for phase-locked circuits, a first low-pass filter, a 90° phase converter, a second low-pass filter, and a plurality of multipliers; which is characterized in further comprising a frequency delimiter comprising: a high-pass filter coupled to the first circuit; a second circuit coupled to the high-pass filter; a third low-pass filter coupled to the second circuit; a Schmitt inverter coupled to the third low-pass filter; and a switch device coupled to the Schmitt inverter; thereby the frequency delimiter enables the timing acquisition device achieving a stable and fast timing acquisition.
TW086105311A 1997-04-24 1997-04-24 Fast timing acquisition device for relay type frequency-locked circuit and phase-circuit TW342559B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW086105311A TW342559B (en) 1997-04-24 1997-04-24 Fast timing acquisition device for relay type frequency-locked circuit and phase-circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW086105311A TW342559B (en) 1997-04-24 1997-04-24 Fast timing acquisition device for relay type frequency-locked circuit and phase-circuit

Publications (1)

Publication Number Publication Date
TW342559B true TW342559B (en) 1998-10-11

Family

ID=58263592

Family Applications (1)

Application Number Title Priority Date Filing Date
TW086105311A TW342559B (en) 1997-04-24 1997-04-24 Fast timing acquisition device for relay type frequency-locked circuit and phase-circuit

Country Status (1)

Country Link
TW (1) TW342559B (en)

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