JPS5585145A - Phase synchronizer - Google Patents
Phase synchronizerInfo
- Publication number
- JPS5585145A JPS5585145A JP15978478A JP15978478A JPS5585145A JP S5585145 A JPS5585145 A JP S5585145A JP 15978478 A JP15978478 A JP 15978478A JP 15978478 A JP15978478 A JP 15978478A JP S5585145 A JPS5585145 A JP S5585145A
- Authority
- JP
- Japan
- Prior art keywords
- output
- frequency component
- input signal
- pass filter
- low pass
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 238000001514 detection method Methods 0.000 abstract 1
- 230000007257 malfunction Effects 0.000 abstract 1
- 230000001360 synchronised effect Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
- H03L7/093—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using special filtering or amplification characteristics in the loop
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
PURPOSE:To perform stable operation to noise, by detecting the synchronous condition with the output of the differential circuit forming high band filter, in response to the input and output difference of the low pass filter in phase locked loop. CONSTITUTION:The low frequency component obtained at the output of the phase comparator 2 in the impulsive noise included in the input signal f1 is the first input signal a of the differential amplifier 7, it passes through the low pass filter 3 to be the second input signal b and they are in phase. Accordingly, only high frequency component is included in the output of the differential amplifier 7. But, the high frequency component is reduced for the energy much with the low pass filter 3 and the detection voltage out of synchronism produced at the rectifying circuit 8 is slight. Thus, the malfunction due to noise is blocked and stable operation can be made.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53159784A JPS5951789B2 (en) | 1978-12-22 | 1978-12-22 | phase synchronizer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53159784A JPS5951789B2 (en) | 1978-12-22 | 1978-12-22 | phase synchronizer |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5585145A true JPS5585145A (en) | 1980-06-26 |
JPS5951789B2 JPS5951789B2 (en) | 1984-12-15 |
Family
ID=15701188
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53159784A Expired JPS5951789B2 (en) | 1978-12-22 | 1978-12-22 | phase synchronizer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5951789B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60158725A (en) * | 1984-01-30 | 1985-08-20 | Toshiba Corp | Step-out detecting system of clock reproduction circuit |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02144591U (en) * | 1989-03-29 | 1990-12-07 | ||
JPH06115590A (en) * | 1993-03-29 | 1994-04-26 | Nippon Shirika Kogyo Kk | Carrying container of superfine powdery substance |
-
1978
- 1978-12-22 JP JP53159784A patent/JPS5951789B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60158725A (en) * | 1984-01-30 | 1985-08-20 | Toshiba Corp | Step-out detecting system of clock reproduction circuit |
Also Published As
Publication number | Publication date |
---|---|
JPS5951789B2 (en) | 1984-12-15 |
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